298 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



The type and only specimen is a female with eggs, dredged by the 

 Alhatroi^-s off Honshu Island, Japan, at station 3706, in 337 fathoms. 

 Type.—Q^t No. ^6165, U.S.N.M. 



UROPTYCHUS SCANDENS, new species. 



The rostrum is about 1.2 mm. in length, narrow, pointed, concave 

 above. The posterior line of the orbital sinus is but little behind the ij 



line of the ante ro- lateral angles. The eyes ' 

 are cylindrical and about 1 mm. in length. 



The carapace is 4 mm. in length, measured I 

 from the orbit to the posterior margin at the ' 

 median line and 4.5 mm. in breadth. 



The lateral margins are spinulose; a few \ 

 spinules are placed along the side of the gas- 

 tric region, replaced on the front of the re- 

 gion hy granules. The antero-lateral angles 

 are armed with spines a little 

 larger than those of the margin. 



The chelipeds are long, slender, and altogether lack- 

 ing in armature, with the exception of a tubercle on the 

 prehensile edge of the movable finger; the opposing 

 finger has a sulcus into which the tubercle nicely fits. 



The dactyls of the ambulator}- feet are short and 

 blunt; a fringe of short sharp spines render them pre- 

 hensile in no small degree. The carapace and legs are 

 set with long fine hair. 



The type and only specimen is a female, with eggs, 

 dredged by the Albatross at station 371.5, in 68-65 

 fathoms, off Honshu Island, Japan. 

 Ti/2?e.— Cat No. 26166, U.S.N.M. 



Fig. 42.— ITeoptychus scandens 

 X 4. 



UROPTYCHUS SPINIGER, new species. 



Fig. 43. — UROPTY- 

 CHUS SPINIGEB, 



The rostrum is slender and sharp pointed, concave on 

 the upper surface of the basal half. The antero-lateral 

 angles of the carapace are marked by large and very sharp spines. 

 The lateral margins are armed with spines of uneven size, the one 

 behind the antero-lateral is small, followed by a large one, which in 

 turn is followed by two much smaller ones. 



The meral and carpal joints of the maxillipeds are each armed on:! 

 the distal upper angle with a single spine. The coxa and ischium of 

 the chelipeds are each armed with a single spine; the merus with six , 

 very stout spines, three in a transverse row on the proximal portion, 

 two near the middle, and one on the distal margin; there are three or i 

 four on the surface of the carpus and four short conical spines on theil 

 border next the palm. The merus of the ambulator}^ legs has two 

 spines on the upper border. 



