GRAPSOIDEA. 343 



The length of carapax of a male, nineteen lines ; breadth, twenty- 

 two and a half lines; length of a female, eighteen lines; breadth, 

 twenty-two and a half lines ; length of front in male, twelve lines, and 

 breadth to angle, two and a half lines. The colour of the carapax is 

 olive-green, finely lined or mottled, and posteriorly, yellowish with 

 green dottings, it becomes red on dying ; legs cherry-red, with a few 

 large ocelli, having a white centre and brown border, upon the sides 

 of the coxae. The antero-lateral margin has a single emargination. 

 The hand, carpus, And moveable finger are small spinulous above. 



Grapsus cruentatus, LATH., Hist. Crust., vi. 70; EDWARDS, ii. 85. 



Goniopsis cruentatus, DE HAAN, Faun. Japon., 33. 



Grapsus lonyipes, KANDALL, Jour. Acad. Nat. Sci. Philad., viii. 125. 



GONIOGRAPSUS PLICATUS (Edw.), D. 



Sandwich Islands. 



Length of carapax, nine and a half lines ; breadth, twelve lines ; 

 length of front, seven and a half lines, and breadth to praemedials, about 

 one line. The linings of this species are peculiarly salient over the 

 surface, and are minutely ciliate. The antero-lateral margin has no 

 emargination. The hand and carpus are granulous above, and the 

 hand is costate on its outer surface. The third joint of the posterior 

 legs has the lower apex three or four toothed, but no other teeth on 

 the lower margin ; and there is only one above, and that near apex. 

 The longest spinules of the tarsus are those on the upper side towards 

 apex. The fourth and fifth joints of the eight posterior legs are very 

 thinly hairy. The third joint of the outer maxillipeds is a little longer 

 than broad. This is a very thick species, with a high, steep front, 

 the vertical part rounding into the back, the front of the proemedial 

 areolet bending down nearly to the margin, instead of stopping at the 

 angle. 



6* 



Grapsus plicatus, EDWARDS, Crust., ii. 89. 



Grapsus plicatus? KRAUSS, Siidafrikauischen Crust., pi. 3, f. 1. 



From the dentations on the third joint of the posterior legs of 

 Krauss's species, on both margins, we judge that his species must be 

 a different one and it may be called Goniograpsus Kraussii. 



