13 313 



and outer margins, and on the lower surface of the arm; hand partly smooth, "k 

 as wide as its outer length; outer edge straight, inner convex; dactylus '/i longer 

 than outer edge of palm; opposed edges of fingers denticulate throughout. Legs 

 slender, the first pair reaching past the wrist by half the length of their dactyli; 

 last two joints hairy. 



The (^ abdomen consists of 5 pieces, the third, fourth and fifth segments 

 being fused; first and second and outer edge of third granulous; third bilobed; 

 penultimate segment unarmed and wider than the terminal half of the preceding 

 segment. The basal half of the Ç abdomen, as well as the margins of the long 

 segment, are coarsely granulous. 



The color of the carapace in alcohol is olive green, chelipeds yellowish-brown, 

 legs mostly dark reddish-brown. 



Length of type (^, 9 mm., width 78 mm. 



Locality. — Coast of Lem Ngob (seine); XIL 26; 1 c? (type) 1 ?. 



Near P. fuliginosa Tozzetti (Zool. Magenta, Crost., p. 201, pi. XII, fig. 3a^g, 1877), 

 from Java, but differs in wanting a postero-lateral angulation, and in the form of 

 the c? abdomen and chela. 



Pseudophilyra tridentata Miers. 



Plate I, fig. 2. 

 Pseudophilyra tridentata Alcock, LXV, 250, 1896. 



Between Koh Mesan and Koh Chuen, 38 fath., stones; II. 7; 1 J*. Koh Kahdat, 

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



Pseudophilyra melita de Man. 



Plate I, fig. 13. 

 Pseudophilyra melita Alcock, LXV, 253, 1896. 



Between Koh Mesan and Cap Liant, 9 fath.; II. 4; 4^* 2 ?. Koh Kam, 5 fath., 

 gravel; II. 6; 1 ? ovig. Between Koh Rial and Koh Mesan, 3—5 fath., sand, algæ; 

 II. 7; 2 d* 1 ? ovig. 



Subfamily Iliinæ. 

 Myrodes eudactylus Bell. 



Myrodes eudactylus Alcock, LXV, 255, 1896. 



Lem Ngob, mangrove swamp; XII. 23, 24 or 27; one cheliped only. 4 miles 

 south of Koh Sakait, 9 fath., shell bottom; II. 3; 1 Ç immature. North of Koh 

 Chuen, 15 fath., mud, shells; II. 5; 1 ?. Koh Chuen, 30 fath., shell bottom; II; 

 Sd* 5?. Koh Kahdat, 4—5 fath., sand, stones, coral; II. 15—18; 2 c? 2 ? 4 juv. 

 Koh Kahdat, 5-8 fath., sandy mud; II. 16 and III. 4; 1 c? 1 ? juv. South of Koh 

 Mak, 5—6 fath.; II. 17; Ic? 5 juv. Between Koh Hin and Clifi" Rock (north of 

 Koh Kram), 15 fath. ; III. 2; 1 ? immature. Koh Kram, 30 fath.; III. 2 and 21 ; 1 ? juv. 



