95 



6998 



3 ■ 

 405U 



4 

 5518 



To"' 



5525 5541 5552 

 "To ' To ' 10 ' 

 5562 5524 



Gavo Hills. 

 Naga Hills. 

 Ganjam in North Cacliar. 



H. Williamson. 

 N. Belletty. 

 E. C. S. Baker. 



10 



10 



(part). 



Ganiam ni ^ „ , , 

 X' ..1 /^ L Purchased. 



ISortn Lachav. j 



6 5 (young). 



1 c? , 1 ? (t.vpes). 

 16,0 9- 



7 <?,11 ?. 



22. Paratelphusa (Barytelphusa) harpax, Alcock. (Fig. 25.) 



This form, which I lielieve to be only a variety of lugiubrls, differs from 

 lagubHs only in the following particulars : — 



The colom" in spirit specimens is lighter. 



The carapace is a little more convex (not so much so as in P. masoniana) ; 

 it is not so broad, its length always being slightly more than three-fourths its 

 greatest breadth ; the cervical groove is deeper, and so the regions appear 

 individually more convex. 



The external orbital angle is more prominent — in fact, is a distinct tooth. 



The antero-lateral borders of the carapace are less convex, and the lateral 

 epibranchial tooth is of good size, pi'omiuent, and acute. 



The 6th segment of the abdomen in the largest old males is longer (its 

 length being almost equal to its proximal breadth and slightly exceeding its 

 distal breadth), and its sides are more concave. 



The chelipeds are similar, and vary in the same way according to sex 

 and age ; the only noteworthy difference is that the spine at the inner angle 

 of the carpus is sometimes finer and sharper, and that the fingers are a little 

 longer. 



In a large female the carapace is 2 inches long, 2H inches broad, and 

 1 inch deep ; in the largest male the carapace is 2 inches long, 2H inches 

 broad, and 1 inch deep ; and the enlarged hand (fingers included) is 3 inches 

 long, the dactylus being nearly 2} inches in length. 



The difference between this form and P. masoniana is to be made out in 

 the less convex carapace, the less prominent external orbital and lateral 

 epibranchial teeth, and the more oblique set of the epigastric crests. 



1 c?. 



6912 

 ~3~" 

 6919 



.3~' 

 6928 



3 ■ 

 6932 



3 ■ 

 6981 



Assam (?) 



Cachar. 



Hill stream near Harmutti. 



Assam. 



S. E. Peal. 



E. B. Baker. 



H. H. Godwin-Austen. 



Captain Butler. 



1 $. 



1 young (J . 

 1 young cJ . 

 1 yoimg cJ . 



