Arrow's paradox and the percentage voting system
p. 1085 | Nambiar, K. K.

News
p. 1089

Quantitative structure-activity relationship studies on prostaglandin synthetase (PCS) inhibitors
p. 1090 | Gupta, S. P.; Prabhakar, Y. S.; Singh, P.

Synthesis of some sulphonamide derivatives of isoxazoles and isoxazolin-5-ones as possible antibacterials
p. 1093 | Goyal, R. N.; Minocha, Ashwani; Sharma, Sangeeta

News
p. 1096

Effects of cadmium and zinc on cell division and chromosomal aberrations in Allium sativum
p. 1097 | Mukherjee, Anita; Sharma, Archana

Announcements
p. 1100

Current Science--50 years ago
p. 1101

News
p. 1102

Layering of thermocline in the western equatorial Indian Ocean
p. 1103 | Mathew, Basil; Murthy, P. G. K.

Distribution of potassium and chloride ions during pollen-pistil interaction in maize
p. 1104 | Brar, N. K.; Basra, A. S.; Malik, C. P.

Scanning electron microscopic study on pollen grains of Oryza sativa L. var. Jaya
p. 1106 | Jain, B. K.

Teratological observations in two species of Corchorus L. (Tiliaceae) from Marathwada
p. 1107 | Naik, V. N.; Rothe, S. P.

Marine fungi from India - V
p. 1109 | Borse, V. B. D.

Observations on nitrogen nutrition and sex organ formation in fern gametophyte
p. 1111 | Roy, Shila; Singh, I. P.

Vesicular-arbuscular mycorrhizal fungi in roots and scale-like leaves of Acorus calamus Linn, and Colacasia esculenta Linn.
p. 1112 | Selvaraj, T.; Subramanian, G.

Association of vesicular-arbuscular mycorrhizal fungi with the roots of different cultivars of barley (Hordeum vulgare)
p. 1114 | Tilak, K. V. B. R.; Murthy, B. N.

X-ray irradiation of Bhendi (Hibiscus esculentus) seeds
p. 1116 | Basha, S. Khaleel; Rao, P. Gopala

On the occurrence of Lycoperdon perlatum in Pinus patula plantations in Tamil Nadu
p. 1117 | Natarajan, K.; Purushothama, K. B.

Serodiagnosis of typhoid fever by indirect haemagglutination using crude lysate antigen
p. 1118 | Zachariah, K.; Rai, G. P.

Changes in enzymatic activities in callus cultures of cotton I. Effect of gibberellic acid
p. 1120 | Kishor, P. B. Kavi; Mehta, A. R.

A new record of parasitism of Meteorus NR Arctiicida Viereck (Hymenoptera: Braco-nidae) on Spilosoma (= Diacrisia) obliqua Walker
p. 1122 | Kumar, Nawin; Yadav, R. P.

Lymphocystis in Macropodus cupanus (Cuv. & Val. ) (Pisces: Belontiidae)
p. 1123 | Indira, B.; Radhakrishnan, S.

Mycosis of Nilaparvata lugens (Stal. ) from India
p. 1124 | Gunathilagaraj, K.; Babu, P. C. Sundara; Gopalan, M.

Innervation of the prothoracid glands and its possible significance in the larva of the castormoth, Trabela vishnu (Lepidoptera)
p. 1125 | Tiwari, R. K.; Tiwari, J. N.; Srivastava, K. P.

A new species of Thalerosphyrus from south India (Ephemeroptera: Heptageniidae)
p. 1126 | Venkataraman, K.; Sivaramakrishnan, K. G.

Announcements
p. 1129

Science News
p. 1130

Announcements
p. 1130

Book Reviews
p. 1131

News
p. 1138