INDIAN DEEP-SEA BIVALVES. 



Fig. 8o. — Nucula fultoni. This beautiful species is one of the 

 commonest bivalves of the northern end of the Bay of Bengal, at depths 

 ranging from 1 90 to 400 fathoms. 



Fig. 81. — Yoldia angulata^ from the Bay of Bengal, 258-405 fathoms ; 

 enlarged. 



Fig. 82. — Cuspidaria macrorhynchiis^ from the Laccadive Sea, 

 636 fathoms ; enlarged. 



[Tb face page 282. 



