NO. 3556 PORTUNID CRABS—STEPHENSON AND REES 89 
DistrRiBuTION.—Madagascar, Maldive-Laccadive Archipelago, and 
Marianas. 
Thalamita poissonii (Audouin and Savigny) 
Portunus poissonii Savigny 1817, pl. 4 (figs. 3 [1-2], 5 [1-2].)—Audouin, 1825, 
p. 84 [fide Stephensen, 1945, and Crosnier, 1962]. 
Thalamita poissonit (Audouin and Savigny).—de Man, 1880, p. 181.—Alcock, 
1899, p. 81.—Borradaile, 1903, p. 201.—Nobili, 1906b, p. 206.—Rathbun, 
1911, p. 208.—Klunzinger, 1913, p. 263, pl. 4 (figs. 12a—b).—Balss, 1924, p. 4. 
Thalamita potssoni (Audouin and Savigny).—Crosnier, 1962, pp. 116-117, 
figs. 183, 188, 192, pl. 10 (fig. 1). 
Not Thalamita poissoniit Sakai, 1939, pp. 423-424, text-fig. 17, pl. 85 (fig. 2) 
(=T. pseudopoissoni, new species). 
MartertaAu.—East Africa: Ras Banas, Red Sea, 1950, Sozon 
Vatikiotis, 2 males (86 mm., 45 mm.). 
Marshalls: S-46-44, dredged 180-200 ft., Bikini Lagoon, Mar. 
29, 1946, L. P. Schultz, 2 females (8 mm., 19 mm.). 
REMARKS.—See under T. pseudopoissone. 
DistripuTION.—Madagascar, Red Sea and Suez, Laccadive Is., 
and Ceylon. 
Thalamita prymna (Herbst) 
Cancer prymna Herbst, 1803, pp. 41-42, pl. 57 (fig. 2). 
Thalamita prymna (Herbst).—H. Milne Edwards, 1834, p. 461.—Alcock, 1899, 
pp. 78-79.—Sakai, 1939, pp. 413, 416, pl. 51 (fig. 1) —Stephenson and Hudson, 
1957, pp. 346-349, figs. 2R, 3R, pls. 4 (fig. 3), 8L, 9E.—Sankarankutty, 
196la, p. 107.—Crosnier, 1962, pp. 136-138, figs. 234-236.—Guinot, 1962, 
p. 3.—Miyake, Sakai, and Nishikawa, 1962, p. 128 (record only). 
Materrau.—Malay Peninsula: Koh Pipedon, Siam, Mar. 10, 1925, 
H. M. Smith, 1 male; Kok Gao, Siam, in coral, shoal water, Sept. 
24, 1928, H. M. Smith, 1 juv. 
Philippines: Near Sta. 5184, between Panay and Negros, surface, 
Mar. 30, 1908, Alb., 2 males, 1 female; Little Santa Cruz I., Zam- 
boanga, Mindanao, soft coral, marginal reefs, May 26, 1908, Alb., 
1 female; Point Jarnelo, Luzon, 150 ft. seine, July 13, 1908, Alb., 
1 male, 2 females; Sablayan, Mindanao, shore work collection, tide 
pool, Dec. 13, 1908, Alb., 1 male, 1 female, 1 ovig. female; Batan I., 
tide pool, June 5, 1909, Alb., 2 males, 1 female; Canino I., near 
Daet, June 15, 1909, Alb., 3 males, 1 female, 1 ovig. female; Batan 
I., July 22, 1909, Alb., 1 male, 1 ovig. female; Pilas I., tide pool, 
Sept. 12, 1909, Alb., 1 male. 
Australia: Arnhem Land Expedition, M48-21, reef at Yirrkala, 
NW. of Cape Arnhem, Aug. 12, 1948, R. R. Miller, 1 ovig. female. 
Melanesia: Vila Efate, New Hebrides, Mar. 27, 1929, Herre col- 
lection, 1 male; Waigin, June 6, 1929, Herre collection, 1 female; 
Can “D,” presumably New Guinea, received December 1944, Meyer, 
1 ovig. female; as above, Can “‘K,’’ 1 male. 
