322 



22 



Ocypode macrocera Milne Edwards. 



Ocypoda macrocera Alcock, LXIX, 347, 1900. 



Koh Kong, sandy beach; I. 24; IÇ 1 juv. 



Uca annulipes (Milne Edwards). 



Gelasimus annulipes Alcoc.k, LXIX, 353, 1900. 



Mangrove swamp, Lem Ngob; XII. 23, 24 and 27; 8 c? 1 Ç. River on the west 

 coast ol' Koli Chang (not above the limit to which the salt water enters at high 

 water); I. 1(3; 1 juv. Koh Chang, stony coast at low water; I; 1 c?. 



Uca manii Rathbun. 



Gelasimus acutus dk Man, Alcock, LXIX, 360, 1900. Not G. acutus Stimpson, which is sj'nonymous 



with U. dussumieri (Milne Edwards). 

 Uca manii Rathbun, Proc. Biol. Soc. Washington, XXII, 114. 1909. 



Mangrove swamp, Lem Ngob; XII. 23, 24 and 27; 11 c? 3? (2 ovig.). 



Subfamily Macrophthaimlnæ. 

 Macrophthalmus verreauxi Milne Edwards. 



Macrophthalmus verreauxi Alcock, LXIX, 377, 1900. 



Between Koh Mesan and Cap Liant, 5 — 8 fath., sand, stones; II. 7; Ic? 1 juv. 

 Koh Kahdat, 4—5 fath., sand, stones, coral; II. 15 — 18; 4 c? 1 Ç ovig. Koh Kahdat, 

 5—8 fath., sandy mud; II. 16 and III. 4; 1? ovig. South of Koh Mak, 5—6 fath.; 

 II. 17; 2^. 



In these specimens, the longest of which, a male, 

 is 5 9 mm. long by 8 8 mm. wide, the tips of the three 

 lateral teeth are equidistant from the median line, but 

 the first sinus is deeper than the second, so that the 

 teeth are successively smaller. 



The chela figured by Milne Edwards (Ann. Sei. 

 Nat. (3) Zool., XVIII, pi. IV, fig. 25c, 1852) must repre- 

 sent that of a female, as the immovable finger in the 

 male is armed with a strong spine on its distal half (fig. 6). 



Fig. 6. Chela of Macrophthalmus 

 verreauxi, Koh Mak, cS, 85 inm. 

 wide. 



Macrophthalmus dentatus Stimpson. 



Macrophthalmus dentatus Stimpson, Smithson. Misc. Coll., XLIX, 96, pi. XIII, fig. 1, 1907. 



Between Koh Kahdat and Koh Kut, 6 fath., sandy clay; I. 9; 7 c? 7 Ç (3 ovig.). 

 North of Koh Kut, 10 fath.; I. 23; 1 c?. Two miles south of Koh Tulu, 10 fath., 

 sandy mud, shells; II. 9; 1Ç ovig. Sound at Koh Chang, 3 — 5 fath., soft clay; 

 1900; 2 c? 2? 1 ovig. Gulf of Siam (without further locality); 2 c? 2 ? ovig. 1 juv. 



