44 



CEYLON PEARL OYSTER REPORI'. 



STATION XXXV. Entrance to Galle Harbour, near the black buoys and Mata-Mada 

 Rocks ; depth 4^ to 7 fathoms ; bottom coarse sand ; sea-temperature, at 

 G.30 a.m. 78'5 C F., at 9.30 a.m. 79 F. ; specific gravity 1*023 ; dredged. 

 Calcareous sponge (Clathrina sp.), Hymeniacidon sp. ; 

 Diphasia mutulata; 

 Glycerol sp., Leanira sp. ; 



Ampelisca brevicornis, Hippa asiatica, and several Brachyura ; 

 Pteropods, and some shells of the genera Cucullcea, Qstrea, Anomia, Tumtdla : 

 Branchiostoma lanceolatum. 



Fig. G. Sketch chart of Galle Bay, showing Stations XXXV. to XLL, the Coral reef. Lagoon, 

 position of the Biological Station (B.S.), &e. 



Four hauls of the dredge taken in the afternoon and evening near Gihbet Island 

 and the Kata Rocks may be united as 



STATION XXXVI Galle Harbour, off Gibbet Island and Glosenburg from Kata 

 Rocks inwards: depth 2 to 4f fathoms; bottom tine sand and mud ; dredged. 

 Some sponges, and Hydractinia sp. ; 



