Curcinulogical Fuidm of India. 297 



*Cyclogra}mcs, Milne Edwards, Hist. Nat. Civist., 11^ 77, 1837 

 ( = Gnathocha!>mus, MacLeay, in Smith's III. Ann. S. Afi'. p. 65, 1838). 



*Helice, De Haau, Fuun. Japon., Ciust , p. 28 : Miens, Challenger 

 Brachyura, p. 268. 



*Metaplax ( = i?/iuct)«o/«6\ Gerst.). jj^ , U-' O 



*Metasesarma. 



Metopanlias, Mary J. Rathbiia, P. U. S. Nat. Mas. XIX, 1897, 

 p. 144. 



*Sarmatium i = Metagrapsus, Edw.). 



*Sesarma ( = Holometopus, Edw. ). 



Subfamily IV. Plagushna', Dana. 



*Lioloplius {=Acantho]puSy De Haan). 

 *Plagusia, 



Family GEOCARCINID^, Dana. t a.^o 



*Cardiosoma { = Discoplax, A. M. Edw.). 



*Epigrapsus. 



*Gecarcinus, Leach, Trans. Linn. Soc. XI, 1815, p. 322: Miers, 

 Challenger Brachyura, p. 217. 



*Pelocarcinus ( = Gecarcoidea, Edw., = Hyl8eocarcinus, W.-M.,— 

 Limnocarcinus, de Man). 



Uca, Latr., Encycl. Method. X, p. 685 : Milne Edwards, Hist. Nat. 

 Crust. II, 21. 



Family PALICID-(E, Rathbun (uame only). b 



*P&\icviS (=Cymopolia). 



*Crossotonotics, A. Milne Edwards, Nouv. Ai chiv. du Mus. IX, 1873, 

 p. 282, and Jonrn. Mus. Godeffroy, I, 3873, p. 258. 



Family PTENOPLACID^, Alcock. 

 *Ptenoplax. 



Family I. GONOPLACID.^, Dana. 

 Subfamily i. Pseudokhombilinj;, Alcock. 

 Key to the Indian Genera. 

 I. Front with the edge cut straight and square, never curved, 

 often prominent : — 



1. The fronto-orbital border, though extensive, is much 

 less than the greatcbt breadth of the carapace, so 

 that the untero-lateral borders of the carapace have 



639 



