The chemical composition of the diatom frustule T. V. DesikacharyN. E. Dweltz OriginalPaper Pages: 157 - 165
The quadrant proembryo ofEpithema carnosum B. G. L. SwamyD. Padmanabhan OriginalPaper Pages: 166 - 172
Use of aureomycin in fish preservation and effect of heat on the antibiotic-treated fish S. T. Chari OriginalPaper Pages: 173 - 181
Azotobacter spp. in the rhizosphere of some agricultural crops V. IswaranAbhiswar Sen OriginalPaper Pages: 182 - 186
Morphology of the head capsule and its appendages ofOrthetrum taeniolatum schneider (Odonata, Anisoptera, Libellulidæ, Libellulinæ) P. N. MathurK. C. Mathur OriginalPaper Pages: 187 - 203
Studies on Indian Ichneumonidæ (Hymenoptera) Subfamily: Gelinæ E. S. NarayananKundan Lal OriginalPaper Pages: 204 - 216