132 Bulletin Vanderhilt Marine Museum, Vol. V 



Distribution: Eastern Seas, Philippines, Galle, Ceylon, Tama- 

 tave, (Miers) ; Ceylon, (MuUer) ; Ceylon, Madras coast of India, 

 Andaman Islands, (Alcock) ; Nicobars, (Heller; Pesta) ; shore in 

 Male, Miladumadulu, Fadifolu, South Mahlos, Minikoi Atolls; (Bor- 

 radaile) ; Philippines (Adams and White) ; Kaiser "Wilhelm's Land, 

 New Guinea, (Ortmann) ; Java, Edam and Noordwachter Islands, 

 Malay Archipelago; Enkhiuzen, Batavia; "West Celebes, Atjeh, (de 

 Man) ; Samoan Islands, Navigator Islands, Paumotu Islands and 

 Tahiti, Society Islands, (Dana) ; Society Islands and Paumotu 

 Islands, (Rathbun) ; Tahiti, Society Islands and Pango Pango, Samoa, 

 (Boone) ; Palmyra Island, Fanning Islands, (Edmondson) ; Torres 

 Straits, (Caiman) ; Rotuma, Funafuti (Borradaile) ; Funafuti Atoll, 

 (Whitelegge) ; Hikueru, Timoe Island, (Nobili) ; Savaii, Pulo Edam, 

 Sumatra, (Pesta) ; Dirk Hartog Island, West Australia, (Hale) ; 

 Darros Island, (Miers) ; Peros, Coin, Salomon, Egmont, reef, Praslin 

 Island, Seychelles, Coetivy, (Rathbun) ; New Caledonia, (A. M. 

 Edwards) ; Madagascar, (Miers) ; Mozambique, (de Man) ; Zanzibar, 

 Bawi, East Africa, (Lenz) ; lie de France, (H. M. Edwards). 



Material examined : One large and one small male, taken in coral 

 at Teviatoa Reef, Raiatea Island, Society Islands, August 21, 1931. 

 Two males, Venus Point Reef, Tahiti, Society Islands, August 15, 

 1931. One small female, taken at Pago Pago, Samoa, September 2, 

 1931. 



Color: Carapace and claws violaceous brown with shades of yel- 

 low; pincers brownish black. See color plate in Alphonse Milne 

 Edwards, Nouv. Archiv. Mus., t. XI, pi. 7, fig. 3, 1873. 



Technical description : Carapace oval, one and one-half times as 

 wide as long, widest anteriorly; frontal margin equal to about one- 

 third of the total width, consisting of two broad, rounded lobes, sepa- 

 rated by a deep median notch from which a sulcus extends backward, 

 and separated by a notch from the short triangulate preorbital tooth ; 

 the orbital margin is circumscribed, with closed sutures indicating two 

 sinuses on the outer half of the margin ; the postorbital tooth is obso- 

 lete; the inferior inner orbital angle is a triangulate tooth, so pro- 

 tuberant that it is visible dorsally ; the anterolateral border is cut into 

 four broad blunt teeth that are emphasized by having their dorsal sur- 

 face coarsely granulose, and in the case of the second, third and fourth 

 teeth elevated into conical points; each tooth is set apart by a sulcus 

 from the adjacent tooth. The sulci from between the second and third 

 teeth and that from between the third and fourth teeth together eir- 



