Inorganic 'Enzymes'? Transition metal atoms as Assembly and control centres in organic synthesis
p. 0155 | Birch, Arthur J.

Social cues and circadian rhythms
p. 0158 | Chandrasekharan, M. K.

Thrips and pollination biology
p. 0168 | Ananthakrishnan, T. N.

50 Years of Current Sciene-Gleanings
p. 0173

Heterochromatin in perspective
p. 0175 | Lavania, U. C.; Sharma, A. K.

Histological effects of prostagladin A₂ (PGA₂) on the rodent kidney
p. 0181 | Gupta, V. K.; Rana, S. V. S.

Announcements
p. 0185

Synthesis of homobiflavones derived from pyrogallol
p. 0186 | Vij, Rakesh Kumar; Dhawan, Rajeev Kumar; Murti, V. V. S.

Influence of Zinc impurities on the oxidation behaivour of aluminium thin films
p. 0189 | Bhavani, K.; Vaidyan, V. K.

Effect of organophosphorous pesticide Sumithion (Fenitrothion) on alkaline phosphatase activity of freshwater teleost, Sarotherodon massambicus (Peters)
p. 0191 | Koundinya, P. R.; Ramamurti, R.

Crystal Data in the radioprotectants, N-(2-mercaptopropionyl) glycine and N, N, N, N'-tetramethyl-1, 4-phenylene diamine-dihydro-chloride
p. 0192 | Mani, A.; Vedavathi, B. M.; Vijayan, Kalyani

A Novel palladium(II) acetylacetonato mixed ligand complex containing hexafluoroacetoacetonate as counter ion
p. 0193 | Sahu, B. K.; Mishra, S. B.; Mohapatra, B. K.

In Vitro culture of rabbit embryos
p. 0193 | Rao, V. H.; Agarwal, K. P.; Mongha, I. V.; Bhattacharya, N. K.

Some mesozoic plants from the higher Himalayas of Bhutan
p. 0194 | Ganesan, T. M.; Chaturvedi, R. K.; Reddy, K. P.

Intraformational conglomerate of the Banganapalle formation, Kurnool Group
p. 0196 | Kamal, M. Y.; Vijayan, B. E.

Two new leaf spot disease of medicinal plants
p. 0196 | Singh, I. D.

Cytological studies in Anthericum suffruticosum (Baker) Milne redhead
p. 0197 | Naik, V. N.; Nirgude, S. M.

Saurauia bracteosa DC. (Saurauiaceae)- A new record for the Indian subcontinent and a new generic record for Andaman and Nicobar Islands
p. 0198 | Yoganarasimhan, S. N.; Chelladurai, Y.; Togunashi, V. S.; Govindaiah; Keshavamurthy, K. R.

In Vitro action of amoebicidal agents on trophozites of Entamoeba Histolytica under axenic condition
p. 0199 | Prasad, B. N. Krishna; Srivastava, Reeta

A collateral host for Citrus phytophtora
p. 0200 | Rao, N. N. Raghavendra

A new disease of potato tubers caused by a non-sporulating fungus
p. 0201 | Rai, R. P.

Announcements
p. 0202

Book Reviews
p. 0203

Announcements
p. 0204