142 
CRUSTACEA. 
The maxillary feet of the female are scarcely 
one-half the length of those in the male. 
Another species of Hippolyte, brought also by 
Mr. Nuttall from the Sandwich Islands, may be 
named H. gracilipes. 
The whole surface of its body is roughened ; the 
thorax is furnished with a slightly elevated crest, 
commencing behind the middle of the carapax, and 
extending upon the rostrum, which is greatly com- 
pressed and produced downwards on the under 
side ; the thoracic crest is armed with three or four 
spines behind the rostrum, and the rostrum itself 
with seven or eight; on its under side are a few long 
hairs, but no teeth ; external maxillae only of mode- 
rate length ; feet slender, second pair elongate ; the 
carpus long, nearly cylindrical, greatly inflated to- 
ward the base, but greatly contracted at the point 
of the commencement of the fingers, which are as 
long as the carpus, very slender and slightly curved; 
abdomen extremely gibbous. 
Length nearly 1* inches. Mus. Acad. 
Genus Palemon, (Fabr.) 
P. grandimanus. Mus. Acad. 
Thorace subcylindrico, rostro compresso, 15-dentato 
squamas antennarum aequante, antrorsum vix descendente ; 
pedum pare secundo longissimo, minute spinoso, digitis 
modo in apice attigentibus. 
Thorax nearly cylindrical, with a strong tooth on 
each side, and another scarcely visible behind it ; 
rostrum greatly compressed, dilated, almost straight, 
