222 PROCEEDINGS OF THE ACADEMY OF [1880, 



Sijnojjsis of Species. 



Lateral margin with three tef th behind the orbital angle, 



the posterior tooth inconspicuous. convexus. 



Lateral margin with two teeth. 



Front rounded. nrvillet. 



Front nearly straight. gaimardii. 



Front excavate. 



Carapax and chelipeds granulate. granulatus. 



Carapax and chelipeds smooth. 



Epigastric lobes prominent. Icevis. 



Epigastric lobes inconspicuous. suhquadratu^ 



Lateral margin with one post orbital tot>th. quctdridentatui, 



C. convexus DeHaan. 



CMamagnatlms eonvexus DeHaan, Fanna Japonica, p. 55, PL VII, f. 

 5 (1835;. 



Jcifiin (DeHaan) ; Eastern Seas (Adams and White). 



C. subquadratns Dunn. 



CJiasmagnatTms siibquadratns Dana, Proc. Acad. Nat. Sci. Phila.^ 

 1851, p. 251 ; U. S. F^x. Exp., Crust., p. 363, PL XXIIT, f. 5 (1852). 



Ne^!) Zeulaiidf Avstraliaf (Dana). 

 C laevis Dana (=- ? C. subqnadratus.) 



ChasmngnntMs laris Dana, Proc. Acad,, p. 252 ; Ex. Exp., p. 365, PI. 

 XXIII, f. 7 (18:;2). 



Paragi-npsus verremixi 'Edw., Ann. Sci. Nat., HI xx, p. 195 (1853). 



Paragrnpsus lavis Heller, Novara Crust, p. 55 (1865). 



Carapax slightly convex, punctate ; regions not defined. Epi- 

 gastric lobes prominenf. Front deeply excavate in the middle, 

 when viewed from ahove. Antero-lateral teeth separated by 

 narrow fissures. Chelipeds everywliere smooth. Anterior surface 

 of carpus and propodus of first pair of ambnlatory feet tomentose. 



Australia! (Guerin ; Ne^e Zealand (Miers). 



C. urvillei Kingsl<y ex MiTne-Eduaids. 



Paragrapsus iirvillei'Edyf., Ann. Sci. Xat., Ill, xx, p. 196 (185-3). 



Va n ikoro I. ( E d w. ) . 

 C. granulatus Dara. 



Clucsmognathns granulatus Dana, Proc. Acad., 1851, p. 251 ; U. S. Ex. 

 Exp., Crust., p. 364, PL XXIII, f. 6 (1852). 



Helice granulata Heller, Novara Crust., p. 61 (1865). 



Carapax convex, distinctly areolate, granulate ; the granules 

 on the branchial regions being larger ; epigastric lobes obsolete. 

 Front curved downward and, viewed from aboA'e, deeply excavate. 



