A new filtering technique for improved earth resources survey (
p. 0117 | Thutupalli, G. K. M; Nagesh, V; Arunkumar, M

Microbiological transformation of 3-methoxy-8, 14-seco-1,3,5(10),9(11)-estratetraen-14,17-dione to its 17β-hydroxy derivative
p. 0124 | Bihari, Vinod; Khan, A. W; Vora, V. C

Announcements
p. 0126

Current Science - 50 Years ago
p. 0127

Announcements
p. 0128

71st session of the Indian Science Congress, Ranchi 1984
p. 0129

Announcements
p. 0142

Gravimetric estimation of Ag(I) in the presence of chloride impurities using 2-thioorotic acid (ammonium salt)
p. 0143 | Shrivastava, Madhulika; Pandey, G. S

Sterols from Ruellia prostrata Poir
p. 0144 | Banerjee, A. K.

Colocasia esculanta (L) Schott. A reservoir of bunchy-top disease of banana
p. 0145 | Ram, R. D; Summanwar, Arvind S.

Anomalous Symptoms of loose smut disease of wheat
p. 0146 | Dhiman, J. S.

Inheritance of two induced lethal chlorophyll mutations in mungbean
p. 0147 | Bahl, J. R; Gupta, P. K

Promotory effect of glutamine on root regeneration from callus cultures of mung
p. 0148 | Singh, R. P; Singh, B. D.

Longevity of guard cell chloroplasts under toxic action
p. 0149 | George, K.

A new hyphomycetes Phaeoisariopsis chonemorphae sp. nov. from India
p. 0150 | Rajak, R. C; Pandey, A. K.

Ischaemum Jayachandranii- A new species of Poaceae from Kerala, India
p. 0151 | Ansari, R; Ramachandran, V. S; Sreekumar, P. V

A new species of Tryblidopsis Karst from the eastern Himalayas
p. 0153 | Sharma, R.

Chromosome complement in a cydnid bug, Lactistes trunctato serratus Sign. with special reference to the karyotype evolution in cydnidae
p. 0154 | Mittal, Om Prakash; Joseph, Leelamma

Blood-water diffusion barrier at the secondary gill lamellae in Anabas testudineus (Bloch) during early ontogenesis
p. 0156 | Prasad, M. S

Some observations on the action of urethane in chick embryos cultivated in vitro
p. 0158 | Khole, Vrinda; Mulherkar, Leela

Observations on 17β-hydroxysteroid dehydrogenase in the brood patch of house sparrow, Passer domesticus L.
p. 0160 | Patil, N. S.; Menon, G. K.

Induction of precocity in the oogonial cells by x-irradiation in the ovaries of the red cotton bug, Dysdercus koenigii Fabr. (Heteroptera: Pyrrhocoridae)
p. 0162 | Deshpande, D. J; Srivastava, K. P; Chaubey, A. N.

Announcements
p. 0164

Correspondence
p. 0165

Announcements
p. 0171

Book Review
p. 0172

Announcements
p. 0172

Insect-Plant Interactions with Special Reference to Vectors, Gall-Makers and Pollinators
p. 0173