NO. 3556 PORTUNID CRABS—STEPHENSON AND REES 93 
Tuamotus and Societies: Stas. 56-57, 57-57, Bora Bora, dredged, 
Apr. 25, 1957, Bredin Exped., 1 female. 
MEAsuREMENTS.—Females, 27-33 mm.; ovig. females, both 20 mm. 
DistriBuTIoN.—Although widespread (Seychelles, Andamans, Gil- 
berts, and Australia), apparently not common. 
Thalamita sexlobata Miers 
Thalamita sexlobata Miers, 1886, pp. 196-197, pl. 16, figs. 2a, b, e-—Henderson, 
1893, pp. 373-374.—Alcock, 1899, pp. 87-88.—Stephensen, 1945, pp. 136-137, 
figs. 32C, D.—Stephenson and Hudson, 1957, pp. 350-352, figs. 2B, 3B, 
pls. 5 (fig. 1), 8N, 10K.—Crosnier, 1962, pp. 117-118, figs. 195-198. 
Thalamita sexlobata var. plicatrifrons de Man, 1902, pp. 651-653. 
Marertau.—Philippines: Sta. 5159, Tinakta I., Sulu Archipelago, 
Tawitawi Group, 5°11’50”N., 119°54’E., Feb 21, 1908, <Alb., 1 
female; Sta. 5595, Zamboanga Light, 6°54’00”N., 122°04’30’E., 
9 fm., Oct. 7, 1909, Alb., 1 female. 
MEASUREMENTS.—Females 6, 12 mm. 
DistRIBUTION.—Madagascar, Persian Gulf to Tongataba, including 
Australia. 
Thalamita sima H. Milne Edwards 
Thalamita sima H. Milne Edwards, 1834, p. 460.—Alcock, 1899, pp. 81-82.— 
Sakai, 1939, pp. 414, 423, figs. 16a-c, pl. 51 (fig. 3).—Stephensen, 1945, 
pp. 126-128, figs. 27A-G.—Edmondson, 1954, p. 258, figs. 32e—h.—Stephen- 
son and Hudson, 1957, pp. 352-354, figs. 2C, 3C, pls. 5 (fig. 2), 80, 9G.— 
Crosnier, 1962, p. 111, fig. 181. 
Martertau.—Malay Peninsula: Chumporn, Siam, Sept. 25, 1923, 1 
male; Gulf of Siam, Apr. 30, 1934, H. M. Smith, 1 male, 2 females. 
Philippines: Subig Bay, China Sea off southern Luzon, shore 
seine, sand, Jan. 7, 1908, Alb., 1 male; Tataan, Simaluc, shore, Feb. 19, 
1908, Alb., 1 juv; Sta. 5158, Tinakta I., Sulu Archipelago, Tawitawi 
Group, 5°12’N., 119°54’30”E., 12 fm., Feb. 21, 1908, Alb., 1 male; 
Tloilo, Apr. 20, 1929, Kellers, 1 male, 2 females. 
MEASUREMENTS.—Males, 8-39 mm.; females, 12-13 mm.; juv., 
9 mm. 
DistriBuTION.—Madagascar, Mozambique to Red Sea, eastward 
to Hawaii, including Japan and Australia. 
Miers’ (1876) record of this species from New Zealand has been 
cited by later workers including Stephenson and Hudson (1957) and 
Stephenson (1961b). Hutton (1882) has shown this record is highly 
questionable. 
Thalamita spinifera Borradaile 
Figure 34 
Thalamita exetastica var. B spinifera Borradaile, 1902, p. 203. 
Thalamita spinifera Borradaile—Rathbun, 1906, pp. 874-875.—Edmondson, 
