320 20 



Chuen, 30 falh., shell boltom; II; 1 juv. Koh Kahdat, 5-8 falh., sandy mud; II. 

 16 and III. 4; 2 juv. North of Koh Kut, 15 fath., mud; III. 4; 1 ?. 



Parthenope (Rhinolambrus) pelagica (Rüppell). 



Lambrus (Rhinolambrus pelagicus Ai.cock, LXIV, 267, 1895. 



Koh Kahdat, 4—5 fath., sand, stones, coral; II. 15—18; 3 c? 1 ? 1 juv. 



Parthenope (Aulacolambrus) hoplonotus (Adams and White). 



Lambrus (Aulacolambrus) hoplonotus Alcock, LXIV, 273, 1895. 



Singapore, 2—3 fath»; XII. 4; 2 chelipeds only. Between Koh Kut and Koh 

 Kahdat, 10 fath., shell bottom; I. 10; 1 d". South of Koh Mak, 5-6 fath.; II. 17; le?. 



Parthenope (Pseudolambrus) calappoides (Adams and White). 



Lambrus (Parthenolambrus) calappoides Alcock, LXIV, 275, 1895. 



Between Koh Mesan and Koh Chuen, 15 fath., stones; II. 6; 2Ç juv. Between 

 Koh Riat and Koh Mesan, 3—5 fath., sand, algæ; II. 7; 1? juv. North side of Koh 

 Mesan, 10 — 15 fath., stones, shells; II; 1? ovig. 



Parthenope (Pseudolambrus) harpax (Adams and White). 



Plate I, fig. 7. 



Lambrus [Parthenope) Sandrockii Haswell, Proc. Linn. Soc. N. S. W., IV, 452, pi. XXVII, fig. 2. 1879. 

 Lambrus [Parthenolambrus) harpax Alcock, LXIV, 278, 1895. 



Between Koh Mesan and Cap Liant, 9 falh.; II. 4; 1 juv. North side of Koh 

 Mesan, 10 — 15 falh., stones, shells; II; 1 J* juv. Koh Chuen, 30 fath., shell boltom; 

 II; 2Ç. Koh Kram, 30 fath.; III. 2 and 21; 1?. 



Cryptopodia fornicata (Fabricius). 



Cryptopodia fornicata Alcock, LXIV, 282, 1895. 



Between Koh Kut and Koh Kahdat, 10 falh., shell bottom; I. 10; 1 ? 2 juv. 

 Tung Kåben, 6 falh., .sand, mud, phanerogams; 11.22; 2 c?. Koh Kahdal, 5—8 fath., 

 sandy mud; II. 16 and III. 4.; 1 <?. North of Koh Kut, 15 fath., mud; III. 4; 1 ? 

 immature. 



Cryptopodia lævimana Miers. 



Plate I, fig. 5. 

 Cryptopodia spatulifrons var. lævimana Miers, Ann. Mag. Nat. Hist. (5) IV, 27, 1879. 



Between Koh Mesan and Koh Chuen, 15 fath., stones; II. 6; 1 $ immature. 



Compared with C. fornicata of equal size, the carapace is longer and narrower, 

 about Vi3 limes as broad as long; the triangular median depression is nearer the 

 posterior margin than the tip of the front, while the reverse is true in fornicata. 

 Surface tubercular along the ridges and along Ihe posterior and poslero-lateral 

 margins. The hands are broader and lower, a line of granules runs lengthwise 

 along the middle of the under surface. Crests on the legs entire. 



