Prof. K. R. Ramanathan
p. 0053 | Mani, A.

Colony fission in a social wasp
p. 0057 | Gadagkar, Raghavendra; Joshi, N. V.

Grafting of 2-hydroxyethylmethacrylate onto hidepowder
p. 0058 | Amudeswari, A.; Reddy, C. Rami; Joseph, K. Thomas

Preparation and characterization of solid solutions of phosphate and vanadate apatites of lead
p. 0063 | Narasaraju, T. S. B.; Gupta, S. K.; Rao, P. V. R.

News
p. 0066

Synthesis in the field of podophyllotoxin and related analogues. Part IV: Synthesis of β-apopicropodophyllin analogues with expanded lactone ring
p. 0067 | Anjanamurthy, C.; Rai, K. M. Lokanatha

Announcements
p. 0069

Immunological studies on the scorpion Heterometrus fulvipes Venom
p. 0070 | Parthasarathy, P. R.; Venkaiah, B.; Krishnaswamy, S.

Scientific reconstruction of archaeological evidence of Ganga Valley
p. 0074 | Gupta, P. R. Sen

Lectin Concanavalin A distribution at different stages in the tissues of Canavalia gladiata
p. 0080 | Ghosh, B. N.; Dasgupta, B.; Sircar, P. K.

Current science-50 years ago
p. 0083

Tissue γ-glutamyltranspeptidase activity in experimental giardiasis
p. 0088 | Srivastava, R. K.; Das, S. R.; Ray, B.

Effect of extracts of Artabotrys uncinatus and Allium satium on Xanthomonas campestris pv. oryzae
p. 0090 | Grainge, Micheal; Berger, Leslie; Ahmed, Saleem

Some new pteridophytic remains from the lower Gondwana rocks of Hinjrida Ghati, Orissa
p. 0090 | Pant, D. D.; Srivastava, P. C.; Das, P. K.

Vitellogenin of alfalfa pollinating bee Megachile flavipes
p. 0092 | Sihag, R. C.

News
p. 0094

Book Reviews
p. 0095 | Agnihothrudu, V.

Science News
p. 0097

News
p. 0099