48 B. W. Kunkel, 



as second and slightly long-er than first ; fourth joint clawlike, about 

 as long as third. 



In male, tirst gnathopods with suboval epimeron and moderately 

 slender second joint which bears several long setae on posterior 

 margin ; third joint short ; fourth joint slightl}- longer than broad 

 with numerous setae on rounded apical margin ; wrist rather large 

 and triangular, more than twice as long as broad, with posterior 

 margin well rounded and with distal margin provided with numerous 

 setae, anterior margin produced to form a triangular process ; hand 

 about as wide as w^ist but not so long, suboval in form, posterior 

 margin more convex than anterior margin and passing into oblique 

 palm by an even curve, palm slightly irregular in contour and 

 provided with setae of various lengths ; finger moderately long and 

 slender. 



Second gnathopods with small, subrectangular epimeron; second 

 joint fairly short and third joint a little longer than broad; fourth 

 smaller than third with anterior margin much longer than posterior ; 

 hand very large, subtriangular in form with base of triangle form- 

 ing palm, posterior margin produced to form a triangular process, 

 palm very irregular in contour, more or less incised in posterior half 

 and with rounded prominence near articulation with finger provided 

 wath stout spine ; finger very large and strong, of curved form with 

 concave margin bearing a slight eminence toward middle. 



Epimera low, suboval in form, third slightl}- bilobed ventrally, 

 second epimeron highest. 



Uropods, 3 pairs, biramous ; first pair with peduncle longer than 

 the styliform rami ; second pair rather stouter than first, rami pro- 

 vided with numerous stout setae ; third pair with short peduncle 

 and rather broad, subrectangular lamelliform rami of which the 

 inner one is shorter than the outer one and provided only at apex 

 with setae, outer ramus also wdth setae on outer margin, third uropods 

 extending slightly beyond first and second. 



Telson rectangular, slightly broader than long, incised for -/s of 

 its length with the lobes widely dehiscent, lobes truncate and distal 

 angles provided with several setae. 



Length of single male specimen which was in the collection. 

 5 mm. 



The species has been reported by Pearse from the Gulf Stream, 

 off Key West, Florida, in 98 fathoms. Station 7279, U. S. Bureau 

 of Fisheries, steamer Fish Hawk; and 122 fathoms, Station 7296. 



