520 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. XXXV. 



the lower margin, that of the second pair about twelve. First and 

 second perseopods with a very large spine at the distal end of the car- 

 pus, which extends as far as the tip of the propodus: dactyls curved 

 and about two-thirds the length of the preceding joint. Fourth pe- 

 rseopods stouter than in oculatus, the entire anterior margin of the 

 basal joint furnished with plumose setae and the lower portion of the 

 anterior margin armed with short spines. Basal joint of last perseo- 

 pods broadly oval in general outline, the posterior margin with about 

 seven rather large serrations, the lower margin not serrate but fur- 

 nished with about six very short setae. 



Fig. -7. Paraphoxus robtistus, female. ab 3 , third segment op the abdomen; <i>h. 

 first unathopod; yn 2 , second gnathopod; md, mandible ; mx x , first maxilla; 

 mxz, second maxilla: mxp, maxillipeo : p, palp of mandible which is not shown 



IN THE FIGURE; /;.,, FODRTH PERJEOP0D ; /<:,, FIFTH TER-EOrOD. 



Third abdominal segment with several plumose seta^ on the lower 

 margin, infero-posterior angle produced into an acute lobe whose 

 upper margin is furnished with setae. Third uropods with the inner 

 ramus very short in the female; the rami nearly equal in the male 

 and not fringed with plumose seta>. Telson oblong, deeply cleft, the 

 lobes with long terminal setse. 



Lt iK J tli. — 8 mm. 



Locality. — A male and a female specimen from Station 4304, off 

 Point Loma, •_!.') fathoms. 



Type.— Cat. No. 38547, U.S.N.M. 



