IN THIS ISSUE

• 260 In this issue

• 261 Editorial: Research guides and students

• 263 A new curriculum, Srinivasan Ramachandran
• 264 The cowboys in Indian science, P. C. Sarkar
• 265 India’s nuclear tests and its consequences, S. G. Dani, Ashke Sen, D. P. Sengupta and diptiman Sen
• 265 CSIR fellowships play hide and seek in universities, A. P. Pradeep Kumar
• 266 Quality of research in science, V. Arunachalam, Vachaspati Pandey
• 268 Molecular diversity, molecular taxonomy and DNA fingerprinting, P. Balakrishna

• 269 PM's statement in Parliment spells out stand on CTBT an dFMCT: Extended range Agni being developed

• 270 NASA selects new name and sets new launch date for advanced space X-ray telescope

• 271 Steroid hormone action mechanisms, Ramesh Sharma

• 273 Can great discoveries be orchestrated, S. Ramaseshan

• 274 An analysisof th estability of Wien bridge oscillator and a novel way of studying nonlinear devices, Surajit Chakrabarti

• 276 Are sperm counts declining?, G. Sadasuvab, Mamta Deendayal and S. Shivaji

• 278 Direct shoot regeneration from excised leaves of invitro raised shoots of clonal appkle rootstock, MM106, M. Modgil, R. Handa and D. R. Sharma

• 280 The origins and antecedents of the Ghauri missile - An assessment, S. Chandrashekar

• 285 Induced responses, signal diversity and plant defense: Implications in insect phytophagy, T. N. Ananthakrishnan

• 290 Evolution of saline lakes in Rajasthan, A. B. Roy

• 296 Synthesis of morphotectonics and volcanics of the Central Indian Ocean Basin, A. D. Mukherjee and S. D. Iyer

• 305 Science and technoloyg of ferrofluids, R. V. Mehta and R. V. Upadhyay

• 313 Preface
• 314 Marine capture fisheries of India: Challenges and opportunities, M. Devaraj and E. Vevekanandan
• 333 Aquaculture development in India from a global perspective, M. N. Kutty
• 342 Recent advances in the hormonal regulation of gonadal maturation an spawning in fish, S. Bhattacharya
• 350 Endocrine regulation of egg production in economically important curstaceans, T. Subramoniam
• 361 Cryopreservation and aqualculture: A case study with penaeid shrimp larvae, T. Subramoniam and R. Arun
• 369 Problems and prospects of hormone, chromosome and gene manipulations in fish, T. J. Pandian, T. Venugopal and R. Koteeswaran
• 387 Diagnosis, treatmetn and prevention of microbial diseases of fish and shellfish, Indrani Karunasagar and Iddya Karunasagar
• 400 K-value, an index for estimating fish freshness and quality, P. T. Lakshmanan and K. Gopakumar

• 413 Do quntum-like theories imply non-classical observable effects, C. S. Unnikrishnan

• 423 Role of oral environment upon the life os dental composites, V. Kalliyana Krishnan and Sini T. Jayan

• 429 Modelling of stron ground motions from dharmasala earthquake of 1986 (mb 5.7), V. Sriram and K. N. Khattri
• 439 Long wavelength magnetic anomalies over the Bay of Bengal, N. K. Thakur, T. Gangadhara Rao, Ramesh Khanna nad C. Subrahmanyam
• 442 Description of tadpose Rana temporalis from Soth India, N. C. Hiragond and S. K. Saidapur

• 445 Groups and Geometries, reviewed by T. Venkataramana

• 445 Annual Reiew of Nuclear and Particle Science 1997, reviewed by J. Pasupathy

• 445 Internet Industry Almanac, reviewed bySubbiah Arunachalam

• 447 Men, machines, and ideas: An autobiographical essay, R. Narasimhan

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