128 STALK-EYED CRUSTACEA. 



while the lateral parts of the carapace, the abdominal pleurcc, and the append- 

 ages are bright red. 



Length of a large female, 119 mm. • carapace, 51 mm. ; rostrum, 14 mm.; 

 second antenna, 225 mm. 



Station 3418. 660 fathoms. 23 males, 32 fem. (2 ovig.). 

 " 3424. 676 " 2 males. 



" ? ? 1 male, 2 fem. 



In some small specimens the granulations arranged in two longitudinal 

 rows on the gastric region are transformed into small spines. In one young 

 example the rostrum is armed with two spines on one side and with one on 

 the other side. 



The prominent spine on the basal end of the telson at once separates 

 this species from any hitherto described. The roundness of the cephalo- 

 thorax resulting from the convexity of the branchiostegites is also character- 

 istic. The abdominal pleura? are intermediate in shape between those of 

 iV". steivarti and N. ayassizii. There is but one pair of spines (the anterior 

 pair) behind the orbit, where there are two pairs in N'. agassizii and 

 N. atlantica. 



All the forms of Ncphropsis hitherto described are very closely related 

 to each other, and might be treated as geographical races of one widely 

 distributed species. The distribution, so far as known, is as follows : N. stew- 

 arli W.-M., Bay of Bengal ; N. curpentei-i W.-M., Bay of Bengal ; N. agassizii 

 A. M. Edw. (= A^. aadcata Smith, and N. rosea Bate), West Indian region, off 

 the Bermudas, and off the south coast of New England ; N. ailaniica Nor- 

 man, Fiiroe Channel and Arabian Sea ; N. snhmi Bate,* off Arru Island ; 

 N. occidentulls Fax., off Acapulco, Mexico. 



Family CRANGONID^. 



PARACRANGON Dana. 



Proc. Acad. Nat. Sci. Pliila., VI. 10, 1852; U. S. Explor. Exjied., Crustacea, Part I., pp. 533, 537, 1S52. 



• Rep. Challenger Macrura, p. 181. This species is referred fo by Bate on pp. 171, 175 of the same work, 

 under the name of Nephropns orientalis. Nephropnis cornnbieims Bate and Rowc (Rep. Brit. Assoc. Adv. 

 Sci., ISSO, p. 100) is not a Nephropsi$ at all (see Rep. Challcuger Macrura, p. 177)- 



