Memoirs of the Indian Museum. [Voi.. II, 



^i*(f . Station 196 : 484 fathoms . . . . Marine Survey. 



401 fathoms 



406 ,, . . ,, 



224 — 284 fathoms ,, 



-j%-. TYPES. Station 333 



m^. „ 248 



-f^-. (On irregular Echinoid.) vStation 2. 

 224 — 284 fathoms 



[Subsp. bellum, Pilsbry.] 



Megalasma belhim, Pilsbry, Bull. Bur. Fisheries (U. S. A.), xxvi, p. 183. 

 ^^^. Hawaiian Islands . . . . . . Dr. H. A. Pilsbry. 



Subgenus Gi.yptei,asma, Pilsbry. 



[Megalasma carinatum (Hoek).] 



Pœcilasma carinatum, Hoek, " Challenger " Reports, vol. viii, Cirr., p. 44. 



m-. CO-TYPES. Off coast of Cuba . . . . British Museum (H.M.S. 



"Challenger"). 



[Megalasma gracilius , Pilsbry.] 



M. gracile gracilius, Pilsbry, op. cit., p. 8S. 



M. gracilius, id., Proc. Acad. Nat. Sei. Philadelphia, Sep. 1907, p. 414. 



^j^-. (From capitulum of Scalpellum giganteum.) 



Atlantic Cable, West Indies . . Roy. Scottish Museum. 



^j^^. (From capitulum and peduncle of Heteralepas 

 cygnus.) Locality unknown, probably 

 West Indies . . . . . . ,, ,, 



Genus Dichelaspis, Darwin. 



Dichelaspis tridens (Aurivillius). 



-^f|-. (From gills of Thenus orientalis.) Lat. 3° 58' 



N., Long. 98° 47' E. : 15 — 17 fathoms . . Dr. P. N. van Kampen. 

 ^Yo^- (From gills of Thenus orientalis.) North 



coast of Achin, Sumatra . . . . ,, . 



"fo'^j ~"fo~- (Oil Xantho scaberrimus.) Balasore Bay, 



Bengal coast . . . . . . Bengal Fisheries. 



"^f 0"- (From gills of Calappa exanthematosa .) Bay 



of Bengal : 91 — 112 fathoms . . Marine Survey. 



~\%^- (On Thenus orientalis.) Lat. 0° 14' N., Long. 



104° 4' E. : 13 — 16 fathoms . . Dr. P. N. van Kampen. 



-"lo-- (Prom. giWsoi Thenus orientalis.) Orissa coast Bengal Fisheries. 



