no.1654. IMPHIPODA FROM WEST SOUTH IMERIGA HOLMES. 407 



first, with the last joint of the peduncle slightly longer than the pre 

 ceding one. Maxillipeds with the outer plate furnished with about 

 thirteen stout spines on inner margin; inner plate armed on oblique 

 distal margin with three short -torn spines; penultimate joint of 

 palp reaching but little beyond outer plate. First gnathopods with 

 the hand slightly shorter than the carpus, slightly widened distally, 

 the |>alin oblique and armed at posterior angle with three -pine-. 

 Second gnathopods with the hand scarcely half as long as the carpus, 

 oblong in outline: finger articulated at middle of transverse distal 

 margin, [nfero-lateral angle of the third abdominal segment pro 

 duced and acute. Fourth segment with a sinus above followed l>\ a 



Fin. s. Tbtphosa ccbca. gni, etibst qnathofod; <ih . second QNATUoron 



rounded elevation. First uropods with the rami nearly equal and 

 slightly longer than the peduncle. Rami of second pair equal, armed 

 with few spines, and not extending so far back a- those of the first 

 of third pairs. Third uropods with the rami equal, nearly twice the 

 length of the peduncle, the terminal segment of the miter ram 11- about 

 half the length of the basal one. Telson cleft to near the base, the 

 cleft widening into a triangular form distally; tip of telson armed 

 with a spine on either side and reaching the l>;i-;il third of the rami 

 of the third uropods. 



L< in/th. -N nun. 



Locality.- A single female specimen from Station 1549, Monterej 

 Bay : ."><;- :>7 fathom-. 



Type. Cat. No. 38536, I'.S.N.M. 

 True. N, M. vel. x.xw 08 32 



