Freshwater Sponges, Hydroids & Polyzoa

by Nelson Annandale

8. Ephydatia meyeniʘ (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 javanicaʘ (Lower Bengal).

4. Plumatella diffusa†§.