Our Golden Jubilee Year
p. 0001

An Indian Academy of Science
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Indian Agriculture at the Crossroads
p. 0013 | Swaminathan, M. S.

Chromospheric Emission Intensities and Stellar Evolution
p. 0024 | Bappu, M. K. V.

Species Dominance in Chromosome Elimination in Barley Hybrids
p. 0028 | Subrahmanyam, N. C.

Some Unique Features of Egg Laying and Reproduction in Ichthyophis Malabarensis (Taylor) (Apoda:Amphibia)
p. 0032 | Seshachar, B. R.; Balakrishnan, T. A.; Sakuntala, Katre; Gundappa, K. R.

Dual Aetiology Diabetes Mellitus: A Novel Mouse Model
p. 0035 | John, T. Jacob; Babu, P. George; Zachariah, P.

Condensation of Quinoline-5,6-Diamine with Benzaldehyde
p. 0039 | Reddy, A. Pandu Ranga; Veeranagaiah, V.

Spectrophotometric Determination of Traces of Formaldehyde with β-Naphthol
p. 0039 | Mudakavi, J. R.; Ravindram, M.

Kinetics and Mechanism of Chromic Acid Oxidation of Lactic Acid
p. 0041 | Samal, P. C.; Patnaik, B. B.; Rao, S. Ch. Dharma; Mahapatro, S. N.

A Preliminary Report on the Occurence of Sapphirine in an Ultramafic Enclave, near Terakanambi, Southern Karnataka
p. 0043 | Janardhanan, A. S.; Swamy, N. Shadakshara

Nitrogen Fixation in some Species of Opuntia
p. 0044 | Venkateswarlu, B.; Rao, A. V.

Observations of Seedling Allelopathy in Weeds
p. 0045 | Singh, S. C.; Sen, D. N.

Mytomycin C Induced Morphological Abnormalities in A Green Alga, Rhizoclonium Hieroglyphicum (AG. ) Kuetz. (Chlorophyceae)
p. 0046 | Agarwal, S. B.; Sarma, Y. S. R. K.

Diagnostic Technique for the Detection of Bunchy Top and Infectious Chlorisis in Banana Suckers
p. 0047 | Summanwar, Arvind S.; Marathe, T. S.

Karyotypic Architecture of Periplanta Brunnea (Burmeister)
p. 0049 | Aswathnarayana, N. V.; Ashwath, S. K.; Manjunatha, K. R.

Insulin and Lycopodium Extract Acting as A Hypoglychemic Agent in Lohita Grandis Gray (Heteroptera:Phyrrhocoridae: Insecta)
p. 0051 | Mandal, Sanjay; Ghosh, Bibhas; Choudhari, D. K.

Reviews
p. 0053

Announcements
p. 0053

Science News
p. 0058

Announcements
p. 0085