OEJERILVB. 55 



humerus, brachium, and under- 

 hand all exceeding length of cara- 

 pace ; humerus more than twice as 

 long as wide : width of hand less 

 than half the length of the under- 

 hand ; terga smooth (.'. insignia J . p. 68, 



l>\ Width of 1st caudal segment equal 

 to length of 4th, 2nd wider than 

 long ; humerus shorter than bra- 

 chium, and underhand equal to 

 length of carapace; width of hand 

 always more than half the length 

 of underhand. 

 <r. Terga smooth, only obsoletely 

 granular ; frontal area of cara- 

 pace weakly granular anteri- 

 orly; inferior median keels of 

 2nd caudal segment granular.. C. margaritabua d , 

 !>'. Terga very distinctly and closely p. 58. 



granular throughout, frontal 

 area of carapace coarsely gran- 

 ular anteriorly : inferior median 

 keel of 2nd caudal segment 



smooth C. cmthracinua 3 , 



» 3 . Chelae short ; humerus, brachium, p 57. 



and underhand considerably shorter 

 than carapace ; pectinea small, 

 length from base of shaft to tip of 

 apical tootb much less than patella 

 of 3rd leg. 

 a . Abdominal terga so densely and 

 uniformly covered throughout 

 with granules that do visible inter- 

 spaces are left; trunk and chelae 

 blackish, legs yellowish brown . . <'. anthracimts 2, 

 b'\ Abdominal terga studded with p. 57. 



pearl-like granules separated by 

 very distinct interspaces; body 

 and chelae dull brown.- 

 a'. Frontal area of carapace weakly 

 granular throughout, the gran- 

 ules at most only a little 

 coarser anteriorly ; hand wider, 

 its width about equal to length 

 of humerus; trunk and limbs 



uniformly coloured C. tnargaritattis 2, 



b". Frontal area of carapace smooth p. 58. 



behind, coarsely granular an- 

 teriorly; hand narrower, its 

 width noticeably less than 

 Li ogtb of humerus ; trunk and 



limbs variegati d C. granosus, p. 56. 



Vesicle much less inflated, flatter 

 beneath, as high a> ">th caudal seg- 

 ment, and. when viewed from the Bide, 

 passing gradually and without constric- 

 tion into tlif aculeus ; aculeus less 



