130 
CRUSTACEA. 
Compared with Cancer punctatus, it is smaller, 
the body more smooth, more convex above, the 
spots greater and more confluent ; the two lateral 
spines of the apex are nearer to one another than to 
the posterior feet, and the spine above them is re- 
duced to a tubercle, or to two or three slight gra- 
nules; moreover, the epistoma in C. punctatus is 
linear, and does not leave a considerable space be- 
tween the eyes and the apex of the outer maxillary 
feet. 
Decapoda Anomoura. 
Fam. Raniniadce. 
Genus Ranina, (Lamarck.) 
R. serrata, (Lam.) (R. dentata, Latr.) Mus. Acad. 
Inhabits the Sandwich Islands, whence several 
specimens have been brought by J. K. Townsend. 
Fam. Hippiadce. 
Genus Blepharipoda. 
Testa ovato-oblonga; antennae quatuor, elongatae, inequa- 
les, ciliatae, externis longioribus, revolutis; intermediis 
biappendiculatis. Pedunculi oculorum distinct^ triarticu- 
lati. Pedes maxillarii externi elongati, involuti, articulo 
primo brevi, reliquis elongatis, tertio cylindrico, ultimo an- 
gustato, os non coelantes. Pedes ciliati, angulati; duodidac- 
tyli antici. 
Shell oblong-ovate, a little retracted behind; 
antennae four, unequal, the external being much the 
