336 APPENDIX. 



joint long, slightly curved, the inner edge with many closely 

 placed minute teeth. 



Abdomen (of female) trapezoidal, hollowed in the middle, 

 the segments, except the terminal joint, united in one 

 piece. 



This genus is nearly allied to Acanthonyx Latreille, 

 but may be readily distinguished from it by its long narrow 

 Carapace; its cylindrical conical beak, and other characters 

 specified above. 



Xenocarinus tuberculatus. White, List of Crustacea 

 in the collection of the British Museum, p. 123. 



Carapace with nine tubercles placed in three transverse 

 lines, the central tubercle of the first line double, one placed 

 before the other, the central tubercle of the third line also 

 double, both placed transversely ; the greater part of the 

 beak covered with minute closely placed hairs and scales, 

 two short lines of longer hairs on the upper side above and 

 before the eyes ; two or three waved longitudinal red lines 

 on the posterior half of the carapace, the inner line con- 

 tinued before the eyes. First pair of legs (in female) short 

 not reaching to the end of the beak, the claws small, equal 

 and minutely toothed. 



Hab. — Long Island, Cumberland Group. Caught in a 

 seine. — In the collection of the British Museum, to which it 

 was presented by J. B. Jukes, Esq. 



Family CANCERIDJE. 



Genus. Carptlius, Leach. 



Carpilius cinctimanus. White, I. c. p. 14. 

 Plate 2. figure 3. 



Carapace very wide without lateral tooth, the side divided 

 into four lobes. Fingers of the claws black, whitish at the 

 tip; the hand in the middle with a broad black band, which 

 runs into the black of the immoveable finger : Carapace 



