An experiment at motivating young earth scientists
p. 1223 | Radhakrishna, B. P.

Abstracts of talks given at the Fifty-fifth Annual Meeting of the Indian Academy of Sciences at Bhopal, 10-13 November 1989
p. 1225

Synthesis and effect of gamma irradiation on some new 6,8-dibhloro-4-(3H)-quinazolinones of biological interest
p. 1231 | Ammar, Y. A.; Mohamed, Y. A.; Amin, N. E.; Ghorab, M. M.

Separation by pulsed-field gradient gel electrophoresis of giant linear plasmids from antibiotic-producing strains of Streptomyces and Nocardia
p. 1235 | Rathos, Maggie J.; Verma, N. C.; Notani, N. K.

Petrochemistry of the granite near Vandanmedu, Idukki District, Kerala, India
p. 1240 | Thampi, P. K.; Balasubramonian, G.

A generalized logistic model for analysis of dose-response data
p. 1247 | Singh, Karon P.; El-saidi, Mohammed A.

New records of fungi from India
p. 1249 | Singh, Rajendra; Saxena, V. C.; Thakur, Sunita

Hermaphrodite flowers in dioecious Momordica dioica Roxb.
p. 1249 | Jha, U. C.; Roy, R. P.

Effect of sodium chloride on ionic composition of Azolla pinnata
p. 1250 | Rajrathinam, K.; Padhya, M. A.

Biochemical changes in the 'tukra'-affected exotic mulberry plants
p. 1251 | Shree, M. P.; Kumar, N. N. Umesh

Scanning electron microscopic observations of Diaschistorchis gastricus
p. 1254 | Anitha; Goud, B. Dharma; Krishna, G. V. Rama

Susceptibility of cabbage diamondback moth Plutella xylostella L. to the entomofungal -pathogen Verticillium lecanii (Zimmerm. ) Viegas
p. 1256 | Gopalakrishnan, C.

A new fruit rot of Citrus reticulata Blanco
p. 1257 | Vyas, N. L.

Outbreak of Orgyia positca Walker (Lymantriidae: Lepidoptera)--A new pest on mango in Uttar Pradesh
p. 1258 | Fasih, M.; Srivastava, R. P.; Abbas, S. R.; Sharma, S.

Harvesting high cell densities for development of Rhizobium cell concentrate
p. 1260 | Jauhri, K. S.; Gupta, Mala

Reversal of chloramphenicol-inhibited protein synthesis by EDTA and sulphhydryl compounds in bhendi seedlings (Abelmoschus esculentus (L. ) Moench. )
p. 1262 | Adinarayana, B.; Rao, P. Gopala

Pyruvate oxidation in toad gastrocnemius muscle after anodic or cathodic stimulation
p. 1264 | Subrahmanyam, K.; Swami, K. S.; Chetty, C. S.

Myocardial glycogen content of some representative vertebrates
p. 1267 | Oommen, Mathew M.; Alexander, K. M.

Mutageriic potential of human kala-azar haemoflagellate in mouse
p. 1268 | Manna, G. K.; Sarkar, A. K.

Book Reviews
p. 1272