AUSTRALIAN MALACOSTRACA. 105 



189. Paragrapsus quadridentatus. Plate Hi., fig. 1. A.M. 

 Paragrapsus quadridentatus, M.-Edw., Ann. Sci. Nat. (3me 



ser.), t. xx., p. 195 (1853). 



Carapace scarcely convex ; front prominent and nearly straight ; 

 two marginal teeth including the external orbital angle ; epi- 

 gastric lobes scarcely indicated ; meta-branchial crest very slight. 

 Hands of the female having a very prominent crest on their 

 external surface, which extends from the mobile finger to the 

 extremity of the lower finger ; hands of the male smooth and 

 swollen. Carapace marked with scattered reddish spots. [M.-J2.'] 



Australia (Milne-Edwards) ; Tasmania (north coast). 



190. Paragrapsus Verreauxi. 



Paragrapsus Verreauxi, M-Edw., 1. c, p. 195. 



Carapace feebly convex and unequal ; epi-gastric lobes very 

 prominent, especially in the male ; meta-branchial lobes strongly 

 marked. Front divided into two lobes by a broad median 

 excavation. Three marginal teeth. Crest of the external 

 surface of the hands of the female less strong than in P. 

 quadridentatus. Carapace violet in front, and marked with large 

 yellow spots behind. \_M.-E.~\ 



Australia (Milne- Edwards). 



191. Paragrapsus Gaimardi. Plate ii., fig. 4. A.M. 



CycJograpsus Gaimardi, M.-Edw., Hist. Nat. Crust., t. ii., 

 p. 79 (1S37). 



Paragrapsus Gaimardi, M.-Edw., Ann. Sci. Nat. (3me ser.), 

 t. xx., p. 190 (1853). 



Carapace much more convex than in the preceding species ; 

 front more prominent and nearly straight ; epi-gastric lobes little 

 marked. Three marginal teeth. Dactylopodites more slender 

 and more elongated than usual. Carapace and legs spotted with 

 red. \_M.-E.~] 



Australia (M.-Edw.) ; Port Philip ; N. Coast of Tasmania. 



This species is perhaps better referred to Chasmagnathus; the 

 merus of the external maxillipedes is slightly oblong. 



