Carcinological F,nmn of India. 310 



Biore massive and but little shorter than the legs: palm short and rather 

 deep, with the h)wer bordei' sharply carinnte. 



Legs smooth, unarmed, witli a very few scattered lank hairs: 

 dactyli styliform. 



The abdomen in both sexes consists of 7 separate segments and does 

 not nearly conceal the sternum between the last pair of legs. 



Bislrihniion : Indo-Paciflc, from Fiji to the Peisian Gnlf, 



Keij to the Indian f pedes of Notonyjr. 



I. Carnpace, length about tlirec-fourtlis the breadth : merns 



of external niaxillipeds abonl as long as the ischinm ... X. nituJui', 

 ir. Carapace, length abont five-sixths the breadth : merns of 



external niaxillipeds ninch shorter tlinn the ischium ... N. i-itrou:^, 



20. Notonyx nitidiis, A. M. Edw. 

 Notonyv nit'idui', A. Milne Edward.«, Noav. Archir. dn Mug. IX, 1373, p. 260, 

 pi. xii. fig. 3 : Miers, Challenger Brachynia, p. 236. 



Carapace, length a little more than thi'ee-fonrths the greatest 

 breadth. Front between a third and two-fifths the bi'eadth of the 

 carapace. Orbits elongate. Merns of the external niaxillipeds as long 

 as the ischium. 



A small denticle near the far end of the upper boider of the arm : 

 inner angle of wrist pronounced, bat not acute. 



Legs with some scattered hairs along the edges, the 3rd pair, 

 which are slightly the longest, are about 2^ times the length of the 

 carapace and nearly half again as long as the chelipeds. 



Tn the Indian Museum is a sinj^le specimen from the Persian Gulf : 

 its carapace is 8"o millim. long and 11 millim. broad. 



21. Nntont/x vitreii^', n. sp. 



Carapace, length abont five-sixths the greatest breadth, rather 

 tamid. Front nearly half the breadth of the carapace. IMerns of the 

 external maxillipeds shorter than the ischinm. 



No denticle on the aim: inner angle bf wrist blunt. Legs with 

 hardly any hairs, otherwise resembling those of N. nitidn.". 



In the Indian Museum is a single specimen from the Andaman 

 Sea, 53 fathoms : its carapace is 5 millim. long and 6 millim. broad. 



Ckratoplax, Stimpson. 

 Ceratoplar, Stimpson, Proc. Ac. Nat. Sci. Philad. 1858, p. 96 : Miers, Challenger 

 Brachyara, p. 233. 



Carapace deep, snbquadrilateral with the ai.ntero-lateral angles 

 rounded off, a good deal broader than long, the regions very indistinctly 



661 



