What makes metal?
p. 1087 | Rao, C. N. N.

Announcements
p. 1091

A ribosomal RNA gene clone isolated from Neurospora crassa wild strain 74A diffrs significantly from a similar clone isolated from its abnormal developmental slime mutant
p. 1092 | Verma, Mukesh; Ghosh, B.; Chambers, Carolyn; Crouch, Robert J.; Dutta, S. K.

Announcements
p. 1097

Cellulose digesting bacteria from live termite mound soils
p. 1098 | Paul, Jaishree; Sarkar, Aditi; Varma, Ajit

News
p. 1101

Can acetyl intercalation be incorporated into a DNA double helix? 
p. 1102 | Wilson, C. C.; Tollin, P.

Soviet strategy of technological advance
p. 1105 | Marchuk, G.

News
p. 1106

Current Science-50 years ago
p. 1107

Excited state dipole moment of euchrysine
p. 1109 | Sharma, Ashutosh; Machwe, M. K.

Antifeeding properties of Swerita chirata against jute semilooper (Anomis sabulifera Guen)
p. 1110 | Mallick, R. N.; Dash, P. C.; Chatterji, S. M.

Mitodepressive and clastogenic activity of 2-mercapto-6-methyl-pyrano-[2,3-e- benzoxazol-8(H)-one in Allium sativum, L.
p. 1112 | Sathaiah, G.; Rao, B. Rajeshwar; Venkataiah, P.; Reddy, Y. D.

Evidence predicting existence of trionychid turtles in the intertrappean rocks of Saurashtra (Gujaray state)
p. 1114 | Shringarpure, D. M.

Polymorphic flowers in Cyperaceae-a new report
p. 1115 | Shiam, R.; Gambhir, Nirmal; Premalatha; Chand, Gopi

Effect of pH of pollen germination medium on pollen diffusates and pH regulation in Ipomoea cairica L.
p. 1117 | Shah, C. K.; Kannu; Apparao, B. J.

Tracheary elements in Ceratopteris thalictrodes (L) Brong
p. 1118 | Tiwari, S. P.; Mishra, D. R.; Chauhan, D. K.

Development of vescular-arbuscular mycorrhial fingi on an upland rice variety
p. 1120 | Ammani, K.; Venkateswaralu, K.; Rao, A. S.

Frequency distribution and regulation of parasitic population in Colisa lalia
p. 1122 | Gupta, A. K.; Niyogi, A.; Agarwal, S. M.

Ichthyopthirius multifiliis Fouquet (protozoa: ciliata) infection in Channa striatus (Bloch): Experimental induction with notes on treatement
p. 1123 | Lipton, A. P.; Lakshmanan, M.

A whitefly transmitted yellow vein mosaic disease of Cosmos sulphureus Cav
p. 1126 | Srivastava, K. M.; Aslam, M.; Rao, B. L. Subba

Record of Ankylopteryx octopunctata candida (Fabricius) (Neuroptera, chrysopidae), as egg and larval predator on Opisina arenosella Wlk, the leaf eating caterpillar of the coconut palm
p. 1128 | Sathiamma, B.; Jayapal, S. P.; Pillai, G. B.

Genetic variation for seed protein of Vicia faba L.
p. 1128 | Naidu, M. R.; Chhabra, A.

Resistance of rice callus tissues to sodium chloride and polyethylene glycol
p. 1129 | Kishor, P. B. Kavi; Reddy, G. M.

A new medium for mounting meliolaceous fungi
p. 1131 | Hosagoudar, V. B.; Mohanan, M.

Toral glandular hairs of Cassia auriculata L
p. 1132 | Bahadur, Bir; Chaturvedi, Arthi; Reddy, N. Pratap

Immobilized trysin on gelantinated PVC: Platelet adhesion
p. 1133 | Sharma, C. P.; Joseph, George; Nirmala, N. V.

Comparitive phosphate solubilizing capacity of some soil fungi
p. 1134 | Surange, S.

Chloroclonium glaeophilium Borzi-A new record for India
p. 1135 | Deore, L. T.; Balakrishnan, M. S.

Distribution of pH in the central Arabian sea by Redfield, Ketchum and Richard's model
p. 1137 | Kumar, Anil

Effect of streptomycin on the growth of Rhizobium
p. 1138 | Pareek, R. P.; Chandra, Ramesh; Zaidi, S. F. A.

Myceliophthora vellerea (Sacc & Speg) van oorschot: A new record from India
p. 1140 | Agnihotri, S. K.; Agrawal, S. C.

Steroid dehydrogenases in regenerating tail of house lizard Hemidactylus flaviviridis
p. 1141 | Menon, Jaishri; Shah, R. V.

A new record on the parasites of the uzi fly, Tricholyga bombycis Beck
p. 1144 | Samson, M. V.; Remadevi, O. K.

Book Reviews
p. 1145

News
p. 1147