58 BULLETIN 97, UNITED STATES NATIONAL MUSEUM. 



larly to the tips. A line of granules on lower margin of propodus. 

 Margins of chelipeds fringed with hair. 



Legs shorter and broader than in C. typicus^ hairy. 



Sternum and abdomen of female smooth, punctate. 



Color. — In alcohol the carapace is a bluish-gray, chelipeds pale 

 pink, ventral side of crab and ambulatory legs rust-colored. 



Measurements. — Female holotype, length of carapace 12.5, width 

 of same 17.8 mm. 



Material examined. — Known only from the type-specimen from 

 Magdalena Bay, Lower California; lat. 24° 38' 00'' N.; long. 112° 

 17' 30" W.; 51 fathoms; gn. M.; May 2, 1888; station 2833, Str. 

 Albatross; 1 female (21592). 



CHASMOCARCINUS OBLIQUUS Rathbnn. 



Plate 14, figs. 1 and 2. 



Chasmocarcinns ohliquus Rathbun, Bull. Lab. Nat. Hist. State Univ. 

 Iowa, vol. 4, 1S9S, p. 2SG, pi. 7, fig. G (tj'pe-locality, southeast of Antlros 

 Island, Bahamas, 97 fathoms, station 2051, Alltatross; holotype male, 

 Cat. No. 20500, U.S.N.M.). 



Diagnosis. — Orbits directed obliquely backward and outward. 

 Carapace very narrow; no antero-lateral marginal line. Sternum 

 and abdomen smooth. 



Description. — Carapace narrow, nearly as long as broad, without 

 distinct lateral margin. Surface smooth, finely and obscurel}' punc- 

 tate. Median notch of front shallow. Superior margin of orbit 



Fio. 27. — Chasmocarcinds obliquus, male noLOTTPE. a. Right chela, onTEa view, 



X 8 ; b, ABDOME.V AND I'ART OB" STEKXUM, X 14. 



directed obliquely backward and outward, outer end rounded, eye 

 filling the orbit. 



Chelipeds nearly equal in the immature male. Lower margin of 

 merus armed with spines; a long slender spine on carpus; fingers 



