60 BULLETIN 97, UNITED STATES NATIONAL MUSEUM. 



Right cheliped larger than left. Carpus with inner angle rounded, 

 and without a tooth. Manus of larger cheliped about one-half 

 wider than that of the smaller cheliped in the male, and much more 



Fig. 28. — Chasmocaucincs ctlindbicus, female (24551), dousal view, x 2 J, 



swollen, its fingers gaping at base; in the female the hands are more 

 nearly equal and the fingers do not gape. 



Legs narroAv, fringed with hair. 



Penultimate sternal segment of male without a posterior supple- 

 mentary plate. 



Fig. 29. — Chasmocarcinds CYHNonicos. a. Right chela op male hoiotype, x 6; 



b, ABDOMEN AND STEIINUM OB" MALE HOLOTYl'E, X GJ ; C, ABDOMEN OV FEMALE (24551), 



X 6i. 



Measurements. — Male holotype, length of carapace 4.G, width of 

 same 6.5 mm. Female (24651), length of carapace 6.7, width of 

 same 9.5 mm. 



Range. — Jamaica and Porto Rico ; 7 to 172 fathoms. 



Material examined. — See page 59. 



