40 Bulletin Vanderhilt Marine Museum, Vol. V 



Indies" and was in the Daldorf collection. Present depository not 

 known. 



Distribution: Amboina (Rumphius) ; East Indies, (Herbst, 

 Fabricius, Leach, Bell); Japan, (De Haan) ; Kagoshima; Sagami 

 Bay; Maizuru, Tanageva, 25 fms., Japan, (Ortmann) ; Sagami Bay, 

 Misaki, Haidashi, Nagasaki, Japan, (Balss) ; Inland Sea of Japan, 

 deep water, (de Man) ; Hong Kong harbor, (Kellog) ; China Seas, 

 boreal, in stones and shells, (Stimpson) ; Hong Kong, (Miers) ; Ko- 

 rean Channel, Masbate, Cebu, Philippine Islands, Eastern Seas, 

 (Miers) ; Trincomali, Ceylon, (Muller) ; Rameswaram, Ceylon, Gulf 

 of Martaban, (Henderson) ; Arapu coral reefs. Gulf of Manaar; Trin- 

 comalee; Galle; off Manaar Island, (Laurie); channels between the 

 reefs, Murray Island, Torres Straits, (Caiman) ; Indian Peninsula, 

 Andamans, Persian Gulf, (Alcock) ; Red Sea, (Nobili) ; Sudanese Red 

 Sea, (Laurie) ; Lake Timsah, Red Sea, (Caiman) ; Kunfuda, Red Sea, 

 (Balss) ; Beilul, (Cano) ; Singapore, (Walker) ; five localities in the 

 Gulf of Siam, (Rathbun) ; Arafu Sea, south of New Guinea, 28 to 49 

 fms., (Miers) ; Macassar, Celebes, South Seas, (Miers) ; Onrust 

 Island, Java coast between Batavia and Priok, (Sluiter) ; East Indies: 

 ''Sihoga" station 2, Modura Strait, 56 m.; Sta, 33, Pidjot, Lombok, 22 

 m. ; Sta. 47, Bima, 55 m. ; Sta. 50, Badjo, west coast of Flores, 40 m. ; 

 Sta. 261, Elat, west coast of Island of Bai-Kei, 27 m. (Ihle) ; Flinders 

 and Clairmont, N. E. Australia, 11 fms., (Miers) ; Cape Grenville, 

 Australia, (Haswell) ; Piper Island, Queensland, (Boone) ; New Cale- 

 donia, (A. M. Edwards) ; Port Louis, Mauritius, (Bouvier) ; Cara- 

 gados Caragos (Rathbun) ; Foquets, Mauritius, (Richters) ; Zanzibar, 

 (Hilgendorf). 



Material examined: One specimen, brought up on anchor chain, 

 Piper Island, Queensland, October 13, 1931. 



Technical description : Carapace, in the adult, ovoidal, moder- 

 ately globose, distinctly longer than its greatest width, which is defi- 

 nitely anterior to the center ; moderately convex, sloping on either side 

 from the median longitudinal carina, which becomes less conspicuous 

 in the larger adults. The frontal region is narrowed anteriorly and 

 slightly produced and distinctly convex dorsally; the frontal margin 

 is widely bidentate, but is so abrupt that the spiniform angles of the 

 branchial channels and the tips of the external maxillipeds are visible 

 dorsally. The preorbital angle is a blunt slightly ridged tooth; the 

 superior orbital border has three closed sinuses, forming two rounded 

 teeth ; the postorbital angle is also rounded, less conspicuous than the 



