Boone, Crustacea, Cruise of "Alva,'' 1931 187 



Phila., vol. 32, p. 223, 1880.— de Man, Notes Leyden Mus., vol. 

 12, p. 89, 1890.— Ortmann, Zool. Jahrb. Syst., vol. VII, p. 731, 

 1894.— BoRRADAiLE, Proc. Zool. Soc. London, 1900, pt. 2, p. 591; 

 Fauna and Geogr. Laccadive and Maldive Arch., vol. I, pt. 2, p. 

 591, 1902.— NoBiLi, Torino Mem. Acad. Sei., ser. 2, vol. 57, p. 406, 

 1907.— Kathbun, M. J., Mem. Mus. Comp., vol. 35, p. 36, 1907. 



Family: GECARCINIDAE. 



Genus : CARDISOMA Latreille. 

 Cardisoma carnifex (Herbst). 



Plates 97 and 98. 



Type : Herbst 's type material came from Trankenbar and was de- 

 posited in the Berlin Museum. 



Distribution: Trankenbar, (Herbst); Antilles, (Guerin) ; Ma- 

 deira, (Dana) ; very common in the south Indian backwaters; Tuti- 

 corin, Ceylon, (Henderson) ; Andamans, Coromandel coast, India, 

 (Alcock) ; Pondichery, (H. M. Edwards) ; Nicobars, (Heller) ; Pon- 

 dichery, Nicobars, Philippines, (Miers, B. M, Coll.) ; Koh Kahdat, 

 Lem Ngob, Gulf of Siam, (Rathbun) ; Amboina, (Nobili) ; Pare-Pare, 

 Celebes, Macassar, Flores, Maumeri, Sumatra, Moluccas, (de Man) ; 

 Java, Xulla-Bessy, (de Man) ; Hao Island (Nobili) ; Duke of York 

 Island, Tracy Island, Nares Harbor, Admiralty Islands; Rodriguez 

 Island, Fiji Islands, Kandavu; Papeete, Tahiti, burrowing in sandy 

 ground of streams; (Miers); Tahiti, (Alcock); Society Islands, 

 (Boone); Paumotus; Peacock Island, (Dana); South Seas, Samoa, 

 (Ortmann); Rotuma, (Borradaile) ; Fanning Island, (Streets; Ed- 

 mondson) ; Palmyra Island, (Edmondson) ; New Guinea; Makalia Val- 

 ley, Persian Gulf, (Nobili); Mauritius; New Caledonia, (Miers); 

 Nosse-Faly, Madagascar, (Hoffman) ; Madagascar, (Miers; Alcock; 

 Lenz and Richters) ; Foquets, (Richters) ; Mozambique, (Hilgendorf ) ; 

 Zanzibar, (Miers) ; Zanzibar, Kokotoni, in mangroves. East Africa, 

 (Lenz) ; Gazi, South Mombasi, East Africa, (Bouvier) ; Durban Bay 

 shore, S. Africa, (Stebbing) ; Coetivy; Mahe, Praslin, Chagos, Sey- 

 chelles, (Borradaile). 



Material examined : One large specimen, male, from MuUer 's Reef, 

 Bora Bora, Society Islands, South Pacific Ocean, August 24, 1931, col- 

 lected by the "Alva." 



Technical description : Carapace transversely cordate, decidedly 

 convex from front to back; greatest width across the mesogastric re- 



