SPONGES:-- 1. _Spongilla_ (_Euspongilla_) _lacustris_ subsp. _reticulata_ (W. Ghats). 2. _Spongilla_ (_Euspongilla_) _proliferens_@ (Cochin). 3. _Spongilla_ (_Euspongilla_) _alba_+. 4. _Spongilla_ (_Euspongilla_) _cinerea_*. 5. _Spongilla_ (_Euspongilla_) _travancorica_* (Travancore). 6. _Spongilla_ (_Euspongilla_) _crateriformis_!$ (Cochin). 7. _Spongilla_ (_Eunapius_) _carteri_!@. 8. _Spongilla_ (_Stratospongilla_) _indica_* (W. Ghats). 9. _Spongilla _ (_Stratospongilla_) _bombayensis_+ (Bombay, W. Ghats). 10. _Spongilla_ (_Stratospongilla_) _ultima_* (Travancore). 11. _Pectispongilla aurea_* (Travancore, Cochin). 12. _Ephydatia meyeni_@ (Bombay, Travancore). 13. _Dosilia plumosa_ (Bombay). 14. _Trochospongilla pennsylvanica_*!$ (Travancore). 15. _Corvospongilla lapidosa_* (W. Ghats). HYDROIDS:--None recorded. POLYZOA:-- 1. _Fredericella indica_* (W. Ghats and Travancore). 2. _Plumatella fruticosa_! (Bombay). 3. _Plumatella javanica_@ (Travancore). 4. _Plumatella tanganyikæ_*+ (W. Ghats). 5. _Lophopodella carteri_+ (Bombay, W. Ghats). 6. Indo-Gangetic Plain. (From Sind to the Brahmaputra.) SPONGES:-- 1. _Spongilla_ (_Euspongilla_) _lacustris_ subsp. _reticulata_ (Gangetic delta). 2. _Spongilla_ (_Euspongilla_) _proliferens_@ (Lower Bengal, etc.). 3. _Spongilla_ (_Euspongilla_) _alba_+ (Lower Bengal). 4. _Spongilla_ (_Euspongilla_) _crateriformis_!$. 5. _Spongilla_ (_Eunapius_) _carteri_!@ (Lower Bengal, etc.). 6. _Spongilla_ (_Eunapius_) _fragilis_ subsp. _calcuttana_* (Lower Bengal). 7. _Spongilla_ (_Eunapius_) _crassissima_ (Bengal). 8. _Ephydatia meyeni_@ (Lower Bengal). 9. _Trochospongilla latouchiana_ (Lower Bengal). 10. _Trochospongilla phillottiana_ (Lower Bengal). HYDROIDS:-- 1. _Hydra vulgaris_!$. POLYZOA:-- 1. _Plumatella fruticosa_!. 2. _Plumatella emarginata_!$. 3. _Plumatella javanica_@ (Lower Bengal). 4. _Plumatella diffusa_!$. 5. _Plumatella allmani_!. 6. _Plumatella punctata_!$ (Lower Bengal). 7. _Stolella indica_* (Lower Bengal, United Provinces). 8. _Victorella bengalensis_ (Lower Bengal). 9. _Hislopia lacustris_ (United Provinces, N. Bengal). 9a. _Hislopia lacustris_ subsp. _moniliformis_* (Lower Bengal). 7. Ceylon. SPONGES:-- 1. _Spongilla_ (_Euspongilla_) _proliferens_@. 2. _Spongilla_ (_Eunapius_) _carteri_!@. HYDROIDS:-- 1. _Hydra vulgaris_!$. POLYZOA:-- 1. ? _Plumatella emarginata_!$. 2. _Pectinatella burmanica._