MELVILL — MAlilNB M0LLU8CA. 123 



Loc. Cargados Carajos : Stations B 2, 30 fathoms, rubble ; B 9, 30 fathoms, broken 



shell ; B 16, 30 fathoms, white sand bottom. 

 A local species witli restricted range, naainly found in the Indian Ocean. 



373. Pectunculus hoylei, M. & St. 



Pedunculus hoylei, Melvill & Standen, Journ. Linn. Soc. Lond., Zool. vol. xxvii. (1899) p. 187, 

 pi. 11. fig. 24. 



Loc. Providence I. : Stations D 1, 39 fathoms, D 3, 29 fathoms, coral-rock. 



Aniirantes : Station E 9, 34 fathoms, Polyzoa and shell-ruljblc. 

 Exactly agreeing with the original specimens described from the Torres Straits 

 (A. C. Maddon). 



374. Pectunculus sp. 



Loc. Cargados Carajos : Station B 14, 30 fathoms, amongst shell-rubble. 



One specimen, probably not adult. I cannot exactly match it with any known 

 species, though it approximates with several, notably P. fonnosus. Reeve, from the 

 South Atlantic Ocean. 



Suborder ii. MYTILACEA. 



375. Modiola auriculata, Krauss. 

 Loc. Chagos Archipelago. 



Described originally from South Africa, but it evidently has a wider range northward 

 into the Tropics, being mentioned by Mr. E. A. Smith as occurring in the Maldive 

 Archipelago (/. c. p. G23) and by Mr. Stnndon and myself (Proc. Zool. Soc. 1906, p. 800) 

 from the Persian Gulf. 



376. Septifer bilocularis (L.). 

 Loc. Amirantes : S. Joseph I. 



Saya de Malha Banks : Station C 15, 55 fathoms. 



Chagos Archipelago : Salomon, Lagoon, 14 fathoms ; Diego Garcia, Lagoon, 

 10-14 fathoms. 

 Many specimens collected of another very widely distributed species. It is the 

 Mytilus nicoharicus, Heeve. 



377. Lithodomus cinnamomeus (Lam.), [cinnamominios.l 

 Loc. Mauritius : Station A 2, 100 fathoms. 



By some authors considered a Modiola. 



378. Lithodomus gracilis, Phil. 

 Loc. Earquhar Atoll, north reef. 



16* 



