Boone, Crustacea, Cruise of "Alva," 1931 21 



Genus: LYSIOSQXnLLA Dana. 

 Lysiosqiiilla maculata (Fabricius). 



Plates 5 and 6. 



Type: Rumphius first reported this species from Amboina, from 

 specimens in his cabinet. Fabricius' type came from the East Indies 

 and is deposited in the British Museum of Natural History. 



Distribution : This is a reef -dwelling species of the IndoPacific, 

 widely distributed from Japan and Oceania to South Africa and the 

 shores of tropical West America. It is known from the following lo- 

 calities: Japan, (De Haan, Fukuda) ; Hawaiian Islands, (Randall, 

 Miers) ; Marquesas Islands, (Bigelow) ; Duke of York Island, (Miers) ; 

 Samoa, (Miers, Thallwitz, Bigelow, Balss) ; Feejee Islands, (Miers, 

 Kemp) ; Rotuma, (Borradaile) ; New Guinea, (Nobili, Thallwitz, 

 Whitelegge, Kemp) ; Amboina, (Brooks, de Man, Ortmann, Nobili) ; 

 Goram, (Miers) ; Batjan, (de Man) ; Flores, (Thallwitz) ; Celebes, 

 (de Man) ; Philippine Islands, (Miers, Brooks) ; Penang, (Miers) ; 

 Tuticorinand Madras, (Henderson) ; Mysore, (Thallwitz) ; Rodriguez, 

 (Miers) ; Durban, (Stebbing) ; Christmas Island, (Kemp) ; Nicobars, 

 (Kemp) ; Andamans, (Kemp) ; Madras, (Kemp) ; Coconada, (Kemp) ; 

 Ceylon, (Kemp) ; La Paz, Lower California, (Boone) ; Honolulu, 

 Hawaii, (Bigelow) ; Tahiti, (Boone) ; Poeloe Panggang, in the Thou- 

 sand Islands, north of Batavia ; Banda ; Sulu Islands, east of Celebes ; 

 Batavia and Antjol, (Sunier) ; Taytay, Palawan, Philippines, 

 (Kemp); Tahiti; Honolulu, (Edmondson) ; Honolulu; Apia, Samoa, 

 (R. P. Bigelow) ; Gilbert Islands, (Odhner) ; Japan: Nango, Province 

 of Huiga; Subusi, Province of Satuma; Ryukyu Islands; Boko 

 Islands, Formosa; Palau, Caroline Islands, (Taku Komai) ; Formosa, 

 (W. Schmitt). 



Material examined : One large male, and two very large females 

 from Papeete, Tahiti, Society Islands, August 15, 1931. 



Color: The living specimens are transversely banded with alter- 

 nate bands about one-fourth inch wide on large specimens, of deep 

 slaty bluish black alternating with yellowish deep cream color. The 

 scaphocerites are bluish black, so is the rostrum ; there are three blue 

 black bands, separated by two yellow bands on the carapace; the 

 raptorial claw has two rounded black spots on the outer surface of the 

 merus, which are in line with the first and second black bands of the 

 carapace; the distal part of the merus, the entire carpus and the 

 proximal border of the propodus are slaty black ; there is also a large, 



