| 261 | Studies on the trends in consolidation of the central nervous system in some coleoptera |
| 262 | |
| Language: | English |
| 263 | |
| 264 | |
| Language: | English |
| 265 | On the systematics, biology and ecology of collembola, insecta |
| 266 | |
| Language: | English |
| 267 | Role of edaphic factors on the distribution of subterranean collembolan microfauna of West Bengal |
| 268 | Contribution to our knowledge of the tubulifera, thysanoptera from India |
| Language: | English |
| 269 | Further contribution to our knowledge of Indian thysanoptera |
| 270 | Studies in taxonomy, zoogeography and biology of termites of Indian region |
| Language: | English |
| 271 | Studies on taxonomy and morphology of the Indian bark lice, order psocoptera, class insects |
| 272 | |
| Language: | English |
| 273 | |
| 274 | |
| Language: | English |
| 275 | |
| 276 | |
| Language: | English |
| 277 | |
| 278 | study of some mallophaga general of the super family ichnosera |
| Language: | English |
| 279 | |
| 280 | |
| Language: | English |