GENUS OCYPODE. $5 



portionably larger and more prominent than in the pre- 

 ceding species; Carpus with a line a little elevated on the 

 upper side vviihin; hands suboval, an elevated, obtuse line 

 on the exterior upper side; fingers short; penultimate joint 

 of all tht: feet dilated, compressed, wiih minute crenae on 

 the inner edge; tarsi incurved at tip, very acute; Abdo- 

 men gradually attenuated, joints transverse, terminal one 

 much smailtrr than the preceding, rounded. 



Length not quite one tenth of an inch, breadth a little 

 more than one tenth. 



This description is taken from a male specimen in my 

 cabinet, procured at Egg Harbour several years ago; 

 having taken no note at the time I cannot state decidedly 

 in what shell it was found. It is possible it may prove to 

 be the male of the preceding species. 



Genus OCYPODE. Latr. 



Peduncles of the eyes elongated, inserted into a cen- 

 tral and anterior projection of the thorax, and extending 

 in a groove along the front to the lateral angle; Shell 

 rhomboidal or cordate; feet formed for walking. 



SPECIES. 



1. 0. arenarius* Thorax transverse, quadr^.te, finely 

 granulated, edges minutely crenate. Anterior margin 

 sinuate; hands compressed, serrate; feet very hairy. 



Cancer arenariuS. Catcsby, vol. 2, tab. 35, 



Ocypode albicans? Latr. Hist, des Crust, et Ins. from 

 Bosc. 



Inhabits sandy beaches of the sea^* in holes of consi- 

 •derable depth. 



