Archive

 

 
 
    Current Science-Vol 19
 
 
 
JANUARY-1950
 
The Indian Science Congress, Poona, 1950 1-1
The Sixteenth Conferance of the Indian Mathematical Society 2-2
The Indian Institute of Science, Bangalore 3-3
Astronomical Instruments for India 3-3
The Indian Academy of Sciences 4-4
Molecular Interaction -- S.V.ANANTAKRISHNAN 5-5
Lady Tata Memorial Trust Scientific Research Scholarships, 1950-51 6-6
Observations on Some Common Deficiency Diseases in India -- N.N.DE 7-7
Letters to the Editor
Term Values in the 'f3' Electron Configuration -- V.Ramakrishna Rao
8
Dipole Moments of Resonance Structures and the Ultraviolet Absorption Maxima of Anthracene -- M.A.Govinda Rau and K.Venkataraman
9
The Effect of Supplementary Zinc on the Fat Content of Livers and Development of the Bones of Rats -- V.Sadasivan
10-11
Effect of Concentration on Temperature Coefficient of DDT Action on Insects -- S.Pradhan
12
Occurance of Chestnut-Blight in the Kumaon Hills -- S.L.Gupta
13
Effect of Choline and Methionine on the Experimentally Produced Hepatic Lesions in Rats -- M.V.Radhakrishna Rao, N.C.Dutta and L.S.Krishnan
14
Fluorescent Indicators for Acid-Base Titrations - Part I -- K.Neelakantam and G.Viswanath
15
Extension of the Maestrichtian Sea into the Punjab Salt Range -- S.R.Narayana Rao and B.Tripathi
16
Random Association of Points on a Lattice -- P.V.Krishna Iyer
17
Nutritive Value of Duck Egg White -- P.K.Dikshit and V.N.Patwardhan
18
Chemical Examination of Karla Plants -- K.W.Airan and N.D.Ghatge
19
Analysis of Ancient Glass Beads -- R.Subramanian
19
A New Partial Synthesis of Citrinin -- T.S.Gore, R.V.Talavdekar and K.Venkataraman
20
Growth Promoting Factros in Corn Germ Extract -- P.Uttaman
21
A Mosaic Disease of Sunn Hemp in Bombay -- S.P.Capoor
22
Catalase Ratio as a Rapid Method for Determining the Germinating Capacity of Seeds -- K.K.Nanda
22-23
Photoperiodic Treatment and Nitrogen Uptake in Wheat -- J.J.Chinoy and K.K.Nanda
24
Spawning Habits and Development of the Gangetic Anchovy Setipinna phasa (Hamilton) -- S.Jones and P.M.G.Menon
25
On Two New Rust Fungi -- T.S.Ramakrishnan and K.V.Srinivasan
25-26
Fluorescent Indicators for Acid-Base Titrations - Part II -- K.Neelakantam and G.Viswanath
27
Telia of the Rust on Cultivated Figs -- M.J.Thirumalachar, D.V.Subba Rao and V.Ravindranath
27
The Influence of the Intake of Coconut Oil on Calcium Balance -- V.Sadasivan
28
Reviews 29-32
Science Notes and News 33-34
FEBRUARY-1950

The National Physical Laboratory, New Delhi - Its Genesis, Scope and Function 35-37
Directory of Culture Collections of Micro-organisms Maintained in India 38-38
Papyrographic Studies in Nitrogen Metabolism of Micro-organisms. Part I. A.Critical Study of the One-Dimensional Micromethod of Papyrography for the Analysis of Protein Hydrolysates -- V.S.GOVINDARAJAN AND M.SREENIVASAYA 39-41
Science and Commonsense 42-42
Friedel-Crafts Polymerisation -- S.L.KAPUR 43-43
Advances in Microbiology 44-44
Ship Propulsion by Wave Motion 45-45
Physiology of Health and Physical Fitness -- Dr.K.P.MENON 46-46
Problems and Prospects of Indian Anthropology 46
Letters to the Editor
Sensitivity of Neon Lamps - The Positive Joshi Effect -- H.J.Arnikar
47
The Absorption Spectrum of Anisole -- Ramamurti
48
Black Sand Concentrates of Vizagapatnam Coast -- C.Mahadevan and B.Nateswara
48-49
A Comparision of Mt Abu Temperature Recorded at 1700 Hrs . I.S.T. With the Free Air Temperature Over Jodhpur at the Same Level -- K.L.Bhatia
49
Studies on the Reducing Substances of Semen  -- Roy, S.Bhattacharya Ke and P.Bhattacharya
50
The Twin Laws of the Plagioclase Felspars of Charnockites -- P.R.J.Naidu
51-52
The Micrbiology of Indigenous Pickles and Preserves -- Madhu Raghunath and J.V.Bhat
53
Antibiotic Principles from Moringa Pterygosperma -- P.A.Kurup and P.L.Narasimha Rao
54
Lorentz-Lorenz Expression as an Analytical Constant for Oils and Fats -- M.R.Nayar, S.C.Roy and R.S.Srivastava
54-56
Studies in Host-Parasite Relationship in Untreated Chicks Infected with P.Gallinaceum -- V.R.Srinivasan, V.Ramamurthy, A.S.Ramaswamy, R.Rama Rao N.N.De
56-58
On Sampling Studies in the Estimation of White Fly Incidence on Sugarcane -- K.L.Khanna and K.S.Bandyopadhyay
58
On "Morellin", the Antibacterial Principle of the Seeds of Garcinia Morella Desrous -- R.Raghunandana Rao and S.Natarajan
59
Active Relaxation of Unstriated Muscle during Inhibition Produced by Adrenaline -- Sunita Inderjit Singh and Inderjit Singh
60
Inheritance of Sparse Lint Mutant in Coconadas Cotton -- R.Balasubrahmanyan and V.Santhanam
60
Polycarpy in Cicer Arietinum -- K.N.Kaul and M.S.Solanki
61
Natural Hybrids in Arachis Nambyquarae -- T.Srinivasa Murthy and K.Gopala Iyengar
62
Foam Disease of Citrus in Assam -- S.Chowdhury
62
Wilt of Casuarina -- D.Marudarajan, T.S.Ramakrishnan and C.K.Soumini
63
Note on Orobanche Cernua Loeft -- D.Marudarajan
64
A New Root-Rot Disease of Cyperus Spp. -- K.A.Mahmud
65
Colchine Induced Polyploidy in Spinach -- S.L.Tandon
66
The pH Tolerance of an Aquatic Plant Community -- Girija Dayal Srivastava
66
Damping-off of Cabbage, Cauliflower and Knolkohl Caused by Pythium Aphanidermatum (Eds) Fitz -- K.A.Mahmud
67
Reviews 69-74
Science Notes and News 75-76
MARCH-1950
 
BIological Warfare 77-77
Britis Commonwealth Collections of Micro-organisms 78-78
Oppurtunities for Study Abroad 78-78
Ultra-Violet Radiation in Industry 79-79
Sex Hormones 80-80
Indian Dairy Science Association 81-81
Plant Microfossils from  Palana Lignite eocene, Bikaner -- A.R.RAO AND K.P.VIMAL 82-83
Irregular Segregations in Yeast Hyrids -- BALAJI D.MUNDKUR 84-85
Why Statistics -- M.C.SATYANARAYANA 86-86
Dr.S.Chandrashekar 86
Letters to the Editor
A Note on the Compressibility, Viscosity and Surface Tension of Aqueous Solutions of Alkali Halides -- BH.Krishnamurty
87
A Note on the Adiabatic and Apparent Molar Compressibilities of Alkali Halides -- Bh.Krishnamurthy
87
On Cabonaceous Discs and 'Algal Dust' from the Vindhyans Pre-Cambrian -- R.C.Misra and G.S.Bhatnagar
88-89
Elastic Constants of Fused Quartz -- R.S.Krishnan, R.V.G.Sundara Rao and K.Vedam
89-90
Vanadametry - Part IV, Volumetric Estimation of Hydrazine with Sodium Vanadate -- M.Narasimha Sastri, V.Brahmaji Rao and G.Gopala Rao
90
Control of Secondary Infection of Downy Mildew of Maize -- M.L.Gattani
90
Purity of Milk -- Om Prakash and Ram
90-91
A Simple Method for the Removal of the Toxic Alkaloids from Mustard Oil Adulterated with Argemone -- A.C.Roy
91
Methionine and Cystine Contents of the Guinea Fowl Egg -- J.W.Airan and G.D.Kalyankar
92
Branched Ears in Pennisetum Typhoides Stapf et Hubbard -- S.N.Chandraseshakaran and D.Daniel Sundararaj
92-93
A Mango Chimera -- Basudeva Roy
93
Double Ovary in Cocos Nucifera Linn. -- S.N.Chandrashekaran and D.Daniel Sundararaj
93
Unesco Conferance on Braille Problems 94-94
Reviews 95-100
Obituary 101-101
Science Notes and News 102-102
APRIL-1950

Forestry Education in ?India 103-105
Quantitative Relation between Yarn Strength and Fibre Properties -- K.R.SEN 106-108
Fuel Research Institute 109-109
Pillow Structures in the Lavas of Dharwar age in the Chitaldrug District, Mysore State -- C.S.PICHAMUTHU 110-110
Endeavour Prizes 111
Letters to the Editor
Multivariate Statistical Distributions and Economic Macrodynamics -- K.S.Rao
112
On the Cooling Correction in Calorimetry -- Manoranjan Prasad Gupta
113
Intensity of Raman Lines in Barytes -- P.S.Narayanan
113
Absorption Spectra of Tellurides of Antimony and Bismuth -- C.B.Sharma
114
Absorption Spectra of Antimony and Bismuth Selinides -- C.B.Sharma
114
A Theoritical Explanation of the Joshi-Effect -- Satya Narain Garg
115
Dielectric Constants and Elastic Modulii of Uniaxial Crystals -- D.A.A.S.Narayana Rao
116
Pecularities in the Horizontal Wind Flow at the Vizag Airfield -- D.Venkateswara Rao and K.Raghavan
117
Suction and Compression by Lungs -- D.V.Gogate and G.Z.Shah
118
Dielectric Constants of Alumina -- D.A.A.S.Narayana Rao
119
On the Construction of Metal G.M.Counters -- Om Prakash
119
Potash-Fixing Capacity of Alluvial Soils -- A.N.Pathak, J.G.Shrikhande and S.K.Mukerji
120
A New Record of Puccinia on Sugarcane in Bombay -- M.K.Patel, M.N.Kamat and Y.A.Padhye
121
A Calonymphid Flagellate Found in the Indian Millipede, Thropygus (Fam. Harpagophoridae -- Col I.Froilano De Mello and J.C.Uttangi
122
Secondary Infection in the Bajra Smut Disease Caused by Tolyposporium Penicillariae Bref -- R.S.Vasudeva and M.R.Seshadri Iyengar
123
Mode of Transmission of the Long Smut of Jowar -- R.S.Vasudeva and M.R.Seshadri Iyengar
123
Angiospermic Remains from Barmer Sundstones -- T.C.N.Singh and A.T.Natarajan
124
Leaf Blight of Pandanus Spp. -- M.Kamal
125
Megaspores from Lower Gondwana of Singrauli Coalfield, District Mirzapur -- B.S.Trivedi
125-126
Effect of Photoperiod on the Flowering Time of Two Late Varieties of Paddy -- Gadadhar Misra
126-127
Indian Rosin Oil from Pinus Excelsa -- I.S.Patel and P.C.Guha
128
The Effect of Intake of Zinc on Metabolism -- V.Sadasivan
129-130
Antibiotic Properties of Liverprotein Hydrolysate -- S.Mahdihassan and V.M.Bakshi
131
Errata 131-131
Reviews 132-135
Science Notes and News 136-138
MAY-1950

National Fuel Research Institute, Dhanbad 139-139
Two Hundred Research Scholarships 140-140
Uranium Minerals of India -- N.R.SRINIVASAN 141-141
Symposium on the History of Science in S.Asia 142-142
The Cuddapah Igneous Activity -- V.S.DUBEY 143-143
W.H.O On the Use of Streptomycin 144-144
Room Acoustics and Ultrasonics 145-145
Rewards for Discovery of Uranium and Beryl Ores 145
Letters to the Editor
On the Scattering of Fast Electrons -- S.Sen Gupta and P.P.Chattarji
146
Unstable Pendant Drops in Relation to Drop-Weight Method of Surface Tension -- N.R.Tawde and K.G.Parvatikar
147
A New Ultrasonic Method for Determining Elastic Constants -- B.Ramachandra Rao
148
Chromatographic Separation of Dyes -- N.R.Rao, K.H.Shah and K.Venkataraman
149
Variation of Dielectric Constant with Concentration -- B.R.Yathiraj Iyengar
150
The Transpiroscope - A New Device -- Miss R.Shah
151
Puccinia Kuehnii (Krueg) Butler on Sugarcane in India -- B.L.Chona and R.L.Munjal
151
Necrosis of the Mango Fruit -- S.N.Das Gupta, G.S.Verma, S.C.Agarwal, J.N.Rai and S.N.Iyer
152
The Effect of Boron on the Catalase Activity of Rice Plant -- shyamananda Pattanaik
153
Studies on the Ovaries of Polynemus Tetradactylus Shaw in Relation to its Spawning -- K.R.Karandikar and V.C.Palekar
154
Addendum to List of Chromosome Numbers in Economic Plants -- K.Ramanathan
155
A New Field Host of Microbracon Hebetor S. --  Syed Usman and B.Krishnamurti
155
On the Occurance of Glossobalanus Parvulus (Punnett) on the Okhamandal (Kathiawar) Coast -- T.V.R.Pillay
156
Hybrid Maize for the Gokak Canal Tract in the State of Bombay -- V.M.Chavan, S.G.Kelkar and P.G.Bidari
156
Occurance of Green Ear Stage in Sorghum -- M.K.Patel, M.N.Kamat, N.B.Kulkarni and M.K.Desai
156
Mysore Cardamom Oil -- P.P.Krishnan and P.C.Guha
157
Reviews 158-164
Science Notes and News 165-165
Acharya Prafulla Chandra Memorial Fund 166-166
JUNE-1950

A Plea for the Establishment of Scientific Supplies Stores in India 167-167
Lady Tata Memorial Trust Scholarships and Grants for 1950-51 168-168
Progress of Research in National Laboratories 169-169
Central Glass and Ceramic Research institute 169-169
It's for You to Choose -- EDWARD M.WEYER,JR. 170-170
Technical Assistance: a Two-Way Traffic 171-171
Forrester's Formula for the Determination of Calorific Value of Indian Coals -- V.ARAVAMUTHAN AND S.S.GHOSH 172-172
Fulbright Travel Grants 173
Letters to the Editor
Absorption Spectra of Thallium Halides -- P.Thiruvenganna Rao
174
Micro-Fossils from the Bagh Beds of Barwaha Near Indore -- Suresh Narayan Singh
174
On a Small Collection of Plant Fossils from Saurashtra -- A.R.Rao and K.P.Vimal
175
B12 Content of Moldy Bran and Blood Lac Extracts -- D.S.Venkatesh, M.R.Raghavendra Rao and M.Sreenivasaya
176
Influence of Adsorption of FeCy6''' and Cd Ions, and that of Hydrolysis on the Composition of Cadmium Ferricyanide -- Harish Ch.Gaur and A.K.Bhattacharya
176
Studies in Antimalarials -- A.C.roy, M.Raghavan and P.C.Guha
177
The Influence of Manganese on the Metabolism of Rats and its Alleged Lipotropic Activity -- V.Sadasivan
178
A Rapid Method for Estimation of Leaf Area in Growing Maize Plants -- K.N,Lal and M.S.Subba Rao
179
Studies with Methone: Part I -- T.S.Sivaswami and B.H.Iyer
180
Studies on Local Anesthetics: Part I -- U.N.Narayana Rao, B.H.Iyer and P.C.Guha
180
Studies on Local Anesthitics : Part II -- P.V.G.Krishnamacharlu, B.H.Iyer and P.C.Guha
181
Root Development and Yield of Lycopersicum Esculentum Mill, var Best of All in Relation to Varying Moisture Supply -- S.N.Singh and B.S.Joon
182-183
Effect of Shortening the Daily Light Period in the Morning and in the evening, in Short Day Treatment of Jute -- J.C.Sen Gupta and Gita Sen
184
Chromosome Diminution in a Plant Root -- S.Sampath
185
Half-Apocarpy in Carica Papaya Linn. -- S.N.Chandrashekharan, G.H.Madhuram and D.Daniel Sundararaj
186
Integumentary Vascular tissue in Cassiatora Linn -- M.Anantaswamy Rau
186
Chlorozol Fast Pink, B.K.S.., as an Anticoagulant in Experimental Physiology -- K.N.Govindan Nair
187
Reviews 188-192
The Govt. Botanic Gardens, Ootacamund 193-193
Science Notes and News 194-196
JULY-1950

The Industrial Applications of Atomic Energy 197-198
Rockfeller Donation to the M.I.T 199-199
International Conferance on Atomic Energy 199-199
The Problem of the Cretaceous-Eocene Boundary -- L.RAMA RAO 200-201
The Power Alcohol Industry in India -- Y.K.RAGHUNATHA RAO 202-202
Science in Pakistan 203
Letters to the Editor
Raman Spectrum of Crstalline Barium Chlorate -- C.Shanta Kumari
204
A New Method of Measuring the Elastic Constants of Solids -- K.Vedam
205
A Note on Joshi Effect -- Rais Ahmed and P.S.Gill
206
A New Genus of Calcareous Alga (Dasyclasaceae) from the Ranikot Beds (Paloeocene of the Punjab Salt Range) -- C.P.Varma
207
Stilpnomelane from Byrapur, Hassan District, Mysore -- M.G.C.Naidu
208
Heterogenous Olefinic Nature of Aliphatic Side Chaint of the Monophenolic Constituent of Commercial Raw Cashew Nut Shell Liquid -- V.J.Paul, N.T.Mathew, G.R.Mohan and L.M.Yeddanapalli
209
Azoformaldimethone Dyes -- M.V.Kowjalgi and B.H.Iyer
210
The Possible Association of Coliform Bacteira with Clostridium Lacto-Acetophilum in Nature -- J.V.Bhat
210
The Metabolism of Rats Recieving Cholinc at Different Levels -- V.Sadasivan
211
On the Carenes in Indian Turpentine Oil from Pinus Longifolia Raxb, -- James Verghese
212
A Mosaic Disease of Crotalaria Mucronata Desv (C. Striata DC.) -- S.P.Raychaudhuri and P.S.Pathanian
213
On the Breeding Habits of the Ribbon Fish Trichiurus Haumela (Forsk) -- M.S.Prabhu
213
A New Biotype of Race 15 of Puccinia Graminis Tritici -- V.P.Gokhale
214
Anthesis in Gajanus Indicus Spreng -- K.Subramanyam
215
Two Grass Smuts -- T.S.Ramakrishnan and K.V.Srinivasan
216
A Remarkable Example of Material Solicitude in a thrips from India -- M.S.Mani and S.N.Rao
217
Induced Lysis in the Germination of the Uredospores of the Wheat Rusts -- M.L.Gattani
217
Control of Loose Smut of Barley -- R.S.Vasudeva and M.R.Seshadri Iyengar
218
The Inhibitory Action of Glucose on the Mechanical Response of unstriated Muscle -- Sunita Inderjit Singh and Inderjit Singh
219
New Observatory at Madras 219-219
Reviews 220-226
Science Notes and News 227-228
AUGUST-1950

Scientific Supplies Stores and the Government 229-230
ISI Report on Weights and Measures 231-231
On a Large SampleMethod of Estimating Unemployment in Large Cities -- C.KOOP 232-233
A Papyrographic Study of the Non-Protein Nitrogen of Mangoes (Mangifera indica Linn) -- V.S.GOVINDARAJAN AND M.SREENIVASAYA 234-235
Government to Purchase Uranium Stocks 236
Letters to the Editor
Practical Numbers -- A.A.Krishnaswami Ayyangar
237
Velocity Distribution Law and the Diameter of the Particles of a Gas -- Satya Narain Garg
238
Elliptic Polarisation of Light Scattered by Perspex Glass -- Mrs. Aleyamma George
239
Formation of Complex Compounds Between Lead Nitrate and Alkali Nitrates -- B.K.Narasimhamurthy
240
Ultrasonic Velocity in Organic Solutions -- K.C.Lal
240
Fluorescence of Crystalline Magnesium Oxide -- S.Bhagavantam and P.G.Puranik
241
Effect of Urea, Uric Acid, Barbituric Acid and alloxan on the Biosnthesis of Riboflavin in Animals -- H.N.De and J.K.Roy
241
Increased Yields of Ragi Through Zinc Salt Fertilization -- H.G.Gopala Rao and S.V.Govindarajan
242
Dehydration of Castor Oil by Substituted Sulphonic Acids as Catalysts -- K.K.Dole and V.R.Keskar
242
Estimation of Peroxides in Ghee by the Ferric Thiocyanate Method -- P.Devi and S.C.Ray
243
Methionine and Cystine Contents of the Common Pigeon Egg -- J.W.Airan and G.D.Kalyanker
244
Pyrophosphato complex of Lead in Solution -- B.C.Haldar
244
Animalarial Activity of Auremycin in Blood Induced Infection in Chicks -- A.S.Ramaswamy, R.Rama Rao, N.K.Keshavamurthy and N.N.De
245
Tip Pulp of the Mango Fruit -- G.S.Verma
246
The Association of Size and Colour in Gram (Cicer Arietinum L.) -- R.Balasunrahmanyan
246
Tuberculina sp. Parasitic on Puccinia Butleri -- R.C.Lacy
247
Effect of B-Indol-3-Acetic Acid, Phenoxy Acetic Acid and B-Naphthoxy Acetic Acid on Growth of Alternaria Tenuis -- H.P.Chowdhury and M.Kamal
247
A New Virus Disease of Dolichos Lablab -- S.P.Capoor and P.M.Varma
248
Parthenogenetic Development of the Egg in Spiranthes Australis Lindl. -- P.Maheshwari ans S,Narayanaswami
249
The Occurance of a Velamen and Mycorrhiza in the Subterranean Roots of te Orchid Spiranthes Australis Lindl. -- S,Narayanaswami
250
On Pyrilla Infestation and Varietal Resistance in Sugarcane -- K.L.Khanna, S.L.Sharma and M.Z.Hussain
251
An Autotetraploid in th Pearl Millet -- N.Krishnaswamy, V.S.Raman and N.Hrishikesan Nair
252
Some Reactions Induced by 2, 3, 5 Tri-Iodobenzoic Acid on Chillies (Capsicum Annuum L.) -- L.Venkataratnam and K.Satyanarayanamurthy
253
A Prelimanary Note on the Kryotype of Launea Nudicaulis Less -- M.H.S.Murthy
254
Doubling of Vhomosomes in the Root Tips of Musa -- S.Govindaswami
255
Reviews 256-260
Science Notes and News 261-264
SEPTEMBER-1950

The Great Assam Earthquake of 15th August 1950 265-267
Nuffield Foundation Travelling Fellowships 268-268
A Papyrographic Micro-Method for a Determination of the Organic Acid Make-up of Fermented Beers -- V.S.GOVINDARAJAN AND M.SREENIVASAYA 269-271
Central Glass and Ceramic Research Institute 272
Letters to the Editor
On the Temperature Dependance of Counter Characteristics in Self-Quenching G.M.Counters -- Om Prakash
273-275
"Joshi Effect" in Iodine Vapour under X-Rays -- A.P.Saxena and P.K.Karmalkar
275
Dielectric Constants of Cane Sugar -- D.A.A.S.Narayana Rao
276
Raman Spectrum of Cadmium Tungstate -- V.Chandrashekharan
277
Occurance of Radio-Active Columbite in Travancore -- C.V.Paulose
277
Occurance of Andalusite near Mallegowdanahalli in the doddaballapur Taluk, Bangalore District -- T.P.Krishnachar and C.Suryanarayana Rao
278
A New Species of Azotobacter Isolated from the Acid Peats (Kari Soils) of Travancore-Cochin -- N.Subramoney
279
Effect of Nicotine, Quinoline, 3-3' Dipyridyl and B-Picoline on the Biosynthesis of Nicotinic acid in Animals -- H.N.De and P.Datta, Jr.
279
Kinetics of Acetone and Iodine Reaction -- A.K.Bhattacharya and S.M.Wakhale
280
Sensitivity of Patchouli to Manganese Deficiency in Soils -- S.R.Lakshmikanta and S.V.Govindarajan
280
Position of Double Bonds in the Aliphatic Side Chain of the Monophenol from Commercial Cashew Nut Shell Liquid -- V.J.Paul and L.M.Yeddanapalli
281
Direct Computation of Orientation Polarisation from Dilute Solution Data -- B.R.Yathiraja Iyengar
282
Investigations on Pyrophosphoto Complex of Zinc in Solution -- B.C.Haldar
283
The Fries Migration os the aryl Esters of Alpha and Beta Naphthoic Acids -- G.S.Saharia
283
Essential Oil from the Flowers of Camphire or Henna Plant -- M.B.Antia and R.Kaushal
284
Electro-Deposition of Metals and Alloys from Cyanide-Free Baths -- T.L.Ramachar and R.Sadagopachari
284
The Influence of Dietry Protein on the Cystine and Methionine Contents of Liver Protein -- M.R.Sahasrabudhe and M.V.Lakshminarayan Rao
285
Influence of Methionine and Cystine on the Metabolism of Rats -- V.Sadasivan
286
On a New Ciliate Nyctotherus Kalii Nov. Sp. Found in the Tadpoles of the Indian Frog, Rana Curtipes Jerdon -- J.C.Uttangi
287
Effect of Storage on the Vitamin-C Content of Canned Foods -- G.A.Dhopeshwarkar and N.G.Magar
288
The Earliest Referance to Lac in Chinese Literature -- S.Mahdihassan
289
Phosphate Fixation in Alluvial Soils -- A.N.Pathak, S.K.Mukerji and J.G.Shrikhande
290
Three Styled Oryza -- S.N.Chandrasekharan, D.Daniel Sundararaj and K.Ramanathan
291
Cercospora Leaf-Spot in Schrebera Swietenioides Roxb -- K.A.Mahmud
292
An 'In Vitro' Study on the Action of Acridine Biguanide Derivatives upon Some Pathogenic Micro-Organisms -- M.Sirsi, P.R.Gupta and R.Rama Rao
293
Development of Embryo Sac and Endosperm in Stylidium Tennullum Swartz -- K.Subramanyam
294
Reviews 295-298
Science Notes and News 299-300
OCTOBER-1950

The Iridescent Feldspars -- SIR C.V.RAMAN 301-305
Symposium on the History of Science in S.Asia  305-306
World Power Conferance in New-Delhi 306-306
Geology at Aligarh 306-306
Dr.R.R.Williams Visiting india 306-307
World Agreement for Abolishing Duties on Science Equipment, Books and Films 307-307
Ground Traffic Control from the Air 307-308
Fish Cultivation in Open Sea-Lochs 308-308
Fellowship Award 308-309
Letters to the Editor
Suppression of High Frequencies in the Production of Joshi Effect -- M.V.Ramanamurti and S.Shamim Ahmad
309
Radiation Correction and the Law of Cooling -- Om Prakash, Shadi Lal and Baldev Singh
310
Electro-Deposition of Metals and Alloys from Cyanide-free Baths Part II Copper from Ethanolamine Solutions -- T.L.Ramachar and N.B.Shivaraman
311
N4-(Biguanidyl-Substituted-N1-Benzoyl Sulphanilamides -- P.R.Gupta and P.C.Guha
312
The Nuclear Oxidation of Coumarins -- (Miss) M.D.Bhavsar and R.D.Desai
312
Adsorption of Hydrogen at Elevated Pressures on a Promoted Iron Synthetic Ammonia Catalyst -- M.V.C.Sastri and H.Srikant
313
Formation and New Methods of Preparation of 3-Cetyl-4-Carboxylic Heptanol-4-Dione-2-6-Carboxylic Monoethyl Ester-1 -- R.Kaushal, P.V.Karambelkar and S.S.Deshpande
313-315
Accumulation of Cholesterol in Inositol Defiecient Larvae of Corcyra Cephalonica St. -- P.S.Sarma
315
A Study on the Methods of Isolation and Culture of Myco Tuberculosis -- M.Sirsi
316-317
Antibacterial Properties os Some Quinoline Substituted Guanides with Special Referance to the Acute Toxicity and the Bacteriostatic Activity of N'(p-Chloro-phenyl)-N5-(8' Chloro-5' Quinolyl) Biguanide Acetate -- M.Sirsi, R.Rama Rao and N.N.De
317
Chalkones from Quinacetophenone Monomethyl Ether -- G.N.Vyas and N.M.Shah
318
A Note on the Influence of Bopron on the Yield and Ascorbic Acid Content in the Tomato Fruit -- P.R.Govindan
319
Anatomical Changes in the Embryo of Mustard During Vernalisation -- S.C.Chakravarti
319-320
A Simple Sand Culture Equipment for Growing Rice Plants -- Shyamananda Pattanaik
321
Staining Bacterial Flagella -- M.K.Patel, N.B.Kulkarni and S.R.Gaekwad
322
Meiosis in Three Genera of Indian Heteroptera -- J.Das Gupta
323
A Modified Treatment Against Loose Smut of Wheat -- M.K.Patel, G.W.Dhande and Y.S.Kulkarni
324
A Note on the Teratology of Flowers of Zephranthes Roseum Lindl. -- P.Kachroo
325
Cintractia Minor on Three Species of Cyperus in Mysore -- K.M.Safeeulla and H.C.Govindu
325
A Case of Twin Ovules in Isomeris Arborea -- Reayat Khan
326
Reviews 327-330
Obituary - Rao Saheb T.P. Bhaskara Sastry 330-331
Science Notes and News 331-332
NOVEMBER-1950

The Central Food Technological Research Institute 333-334
Nobel Award for Physics 335-335
Radioactive Calenders 335-335
Classical Mechanics 336-336
Building Research Congress,1951 337-337
Building Research Institute 337-337
More Accurate Figure for the Velocity of Light 338-338
Zirconium for Fractional Weights 338-338
The Indian Academy of Sciences 338-338
Indian Science Congress, 1951 339-339
Freedom for Scientists 339-339
Nuffield Foundation Travelling Fellowships for 1951-52 339
Letters to the Editor
A Note on the Critical Pressure Effect in Collisions of the Second Kind in Molecular Spectra -- N.R.Tawde and G.K.Mehta
340
4-Phenyl-Pentanoic Acids Y-Aryl-Y-Methyl-Butyric Acids -- K.C.Bhattacharyya and N.K.Chowdhury
341
Estimation of Para-Amino-Salicylic Acid -- M.S.Bhatnagar and S.N.Kapoor
341
Adsorption Studies in Methanol Synthesis Catalysts. I. Adsorption of Carbon Monoxide and Hydrogen on Zinc Oxide Chromium Oxide Mixture -- J.C.Ghosh, M.V.C.Sastri and S.Vedaraman
342
Adsorption of Nitrogen at Elevated Pressures on a Promoted Iron Synthetic Ammonia Catalyst -- M.V.C.Sastri and H.Srikant
343
Effect of Reducing Agents on the Virus of Newcastle (Ranikhet) Disease 1. Ascorbic Acid, 2. Cysteine Hydrochloride -- K.C.Sinha and S.Datta
343-344
Antigenic Property of Irradiated Newcastle (Ranikhet) Disease Virus -- K.C.Sinha and S.Datta
344
Some Recommendations on the Control of Termites in Sugarcane -- B.D.Gupta
344
A New Species of Ascochyta -- B.L.Chona and R.L.Munjal
345
Early Stages of Growth of Wheat Plants after Vernalisation -- D.K.Mukherji
345
The Development of the Female Gametophyte in Couroupita Guianesis Aubl. -- I.Banerji
347
Hygrometric Properties of Some Capillary systems -- Balwant Rai Puri and Vidya Bhushan
347
On the Somatic Chromosomes of Some Non-Tuberous Solanum Species -- N.P.Sinha
348
Reviews 349-355
Science Notes and News 356-356
DECEMBER-1950

The Luminescence of Diamond-I -- SIR C.V.RAMAN 357-362
Memorial to Lord Rutherford 363-363
Hora's Satpura Hypothesis: An Aspect of Indian Biogeography -- S.L.HORA 364-369
Pluto's Diameter 370-370
Thermal Scattering of Light in Birefringent Crystals -- V.CHANDRASHEKARAN 371-371
1950 Nobel Awards for Chemistry and Medicine 372-372
Research in Relation to the Development of the Pharmaceutical Industry 373-374
"Wealth of India", Vol. II: A Preview 375-375
Centenary of the Geological Survey of India, 1851-1951 375
Letters to the Editor
A Note on Joshi Effect -- G.V.Bakore
376
A Note on joshi Effect -- H.J.Arnikar
377
Comments on Notes by G.V.Bakore and H.J.Arnikar -- Rais-Ahmed
378
Two Hitherto Unreported Plant Fossils from the Rajmahal Hills, Bihar -- A.R.Rao
378-379
Iodine Monochloride and Iodine Trichloride as Chlorinating Agents -- A.M.Gandbhir, A.L.N.Fonesca, F.Rebello, A.N.Kothare and V.V.Nadkarny
380
Synthesis of 2:3-Cyclopeteno-Naphthalene and its 7-Methyl Derivative -- S.C.Sengupta and N.N.Saha
381
The Chlorine-Sulphite Test for Lignin -- P.B.Sarkar
381
The Biogenesis of Ascorbic Acid -- K.Ganapathi
381-382
Resacetophenone-Oxime as an Analytical Reagent for the Quantitative Separation of Copper and Cadmium -- K.Appala Raju and K.Neelakantam
383
Effective Number of Genes -- P.N.Mathur
384
A New Bacterial Leaf-Spot and Stem Canker of Pigeon Pea -- Y.S.Kulkarni, M.K.Patel and S.G.Abhyankar
384
Chromosome Numbers in Genistecae -- Y.Sundar Rao
384
The Chromosome Counts of Citrus Suntara -- T.C.N.Singh and Miss R.Shah
385
Another Strain of Physalospora Tucumanesis -- S.A.Rafay
385
Symposium on Recent Advances in BioChemical Technique 386-386
Reviews 387-389
International Congress of Mathematicians 390-390
Science Notes and News 391-392
Volume 19 Complete