Î30 Memoirs of the Indian Museum. [Vol. II, 



Subgenus Heteralepas, Pilsbry. 

 Heteralepas nicobarica, Annandale. 

 ■^f p. TYPES. Nicobars . . . . . . F. A. de Roepstorfï, Esq. 



[Heteralepas gigas (Annandale).] 

 Alepas gigas, Annandale, Mem. Asiat. Soc. Bengal, vol. i, p. 80. 

 8iis_ TYPE. Bali Straits, Malay Archipelago . . Eastern Telegraph Co. 



[Heteralepas cygnus, Pilsbry.] 

 H. cygnus, Pilsbry, Bull. U. S. Nat. Mus., No. 60, p. loi. 

 -j^^'. Locality unknown, probably West Indies . . Roy. Scottish Museum. 



[Heteralepas lankesteri (Gruvel).] 



Alepas lankesteri, Gruvel, Ann. Mag. Nat. Hist. (7), vol. vi, p. 195. 



^f§^. CO-TYPES. Mona Channel, West Indies: 814 



fathoms . . . . . . British Museum. 



[Heteralepas malayana (Annandale).] 



Alepas malayana, Annandale, Mem. Asiat! Soc. Bengal, i, p. 81. 



^^7^^. TYPE. Caspar Straits : 30 fathoms . . Capt. F. Worsley. 



[Heteralepas belli (Gruvel).] 

 Alepas belli, Gruvel, Trans. Linn. Soc. (2), vol. viii, p. 278. 

 ■^f §^. CO-TYPES. Off coast of Cuba . . . . British Museum. 



Subfamily PŒCILASMATINiî:. 



Genus Pœcilasma, Darwin. 



Subgenus Pcecii^asma, Darwin. 



Pœcilasma kœmpferi, Darwin. 



Pœcilasma kœmpferi, Darwin, op. cit., p. 102. 



Subsp. dubia, Hoek. 



"^io~- (On Echinoplax pungens.) Station 233 : 185 



fathoms . . . . . . Marine Survey. 



