202 ZOOLOGY OF THE FAR EAST. 
species. The actual length of the skeleton- spicules is about 0*42 mm. and they are 
about twenty-one times as long as thick. 
Localities. The Tai-Hu (type-locality) and Soochow {Gee), Kiangsu Province, 
China. 
Type-specimen. ZEV. 7103/7, Zool. Survey of India {Ind. Mus.). 
This sponge grows on the leaves of submerged water-plants. 
Fig. I. — Spicules of Spongilla micron, x 250. 
Spongilla semispongilla (Annandale). 
1909. Ephydatia semispongilla, Aunandale, Annot. Zool. Jap.^ VII, p. 107, pi. ii, fig. 2. 
1916. Spongilla semispongilla, Annandale and Kawamiira, op. cit., p. 5, pi. i, fig. 4. 
Mr. Gee has sent me a fragment of this sponge from Soochow. It was growing with 
Ephydatia bogorensis. The species has otherwise been found only in the Main Island 
of Japan. 
Subgenus Eunapius, Gray. 
Spongilla geei, sp. nov. 
I describe this species from a broken fragment about 40 mm. long. The sponge 
appears to be massive and of irregular form.. It was evidently in a degenerate condi- 
tion when discovered, and in this state has a greyish colour. 
The skeleton is very compact, but contains little horny matter ; both vertical and 
transverse fibres are well-developed and thick, forming together a fairly regular 
network. 
The gemmules are subspherical but a little broader than high, they are small and 
very numerous, and are not grouped, but scattered singly through the substance of 
