(Sikhim, Darjiling and Bhutan, and the Lower Brahmaputra Drainage-System.)
Sponges:—
Spongilla proliferensʘ (Assam).
Hydroids:—None known.
Polyzoa:—
1. Plumatella fruticosa† (Kurseong and Assam).
2. Plumatella diffusa†§ (Sikhim).
3. Plumatella javanicaʘ (Kurseong).
4. Burma Territory.
(Upper Burma, Arrakan, Pegu, Tenasserim.)