202 A. Alcock — Carcinological Fauna of India. [No. 2, 



those on either side dentiform : 

 carapace crisply granular, the 

 granules of good size : cheli- 

 peds stoutish, not quite twice 

 the length of the carapace even 

 in the adult male : hand short : — 

 a. Front not projecting be- 

 yond the dentiform 

 ends of the walls of 

 the branchial channels ; 

 hand about half length 

 of carapace : fingers 

 about two- thirds length 



of hand M. affinis. 



h. Front shaped much as 

 in Leucosia, projecting 

 well beyond the free 

 edge of the branchial 

 channels : hand hardly 

 two-fifths the length of 

 the carapace : fingers 



as long as the hand M. brevimana. 



2. Side wall of hepatic regions convex, not 

 distinctly facetted in the adult: later- 

 al margins of the carapace full, and 

 not defined by any beaded line : arma- 

 ture of the posterior margin consist- 

 ing of three petaloid lobules : ' fingers 



longer than the hand M. darnleyensis, 



[ II. Carapace subcircular, with five marginal spines 



and spinules at its posterior end M. pentacantlia. 



(probably the 

 young of if. 

 fugax)']. 

 III. Carapace narrowly and acutely oval (longitu- 

 dinally ) its shape recalling that of Baninoides, 

 without any marked notch between the hepatic 

 and branchial regions M. elegans. 



41. Myra fugax, (Fabr. ) 



Cancellus anatum tertius, Eumph, Amboin. Eariteitk. I. 27, pi. x. fig. C. 

 Cancer punctatus, Heibst, Krabben, I. ii. 89, pi, ii. figs. 15, 16. 



