458 Stimpson on the Crustacea and Echinodermata 
EPIALTUS NUTTALL. Randall. 
Epialtus Nuttallii, RANDALL; loc. cit. viii. 109, Pl. III. GrBBzs ; loc. eit. p. 173. 
Differs from the preceding by its more rounded outline 
and larger rostrum. 
Upper THER (Nuttall.) 
JMus. Phil. Aca 
PARTHENOPE PUNCTATISSIMA. Owen. 
Parthenope punctatissima, OwEN ; Zodlogy of Beechey’s Voyage, Crust. 81, 
Pl. XXIV. f. 4. 
This is almost certainly a Lambrus, but having been un- 
able to procure a specimen and examine the characters of 
the antenne, I refrain from adding to the synonymy. 
Coast of California, (Belcher.) 
Mus. Zoól. Soc.; R. C. S 
CRYPTOPODIA OCCIDENTALIS. Dana. 
Cryptopodia occidentalis, DANA ; Am. Jour. Sci., 2d Ser. xviii. 430, (wood-cut.) 
Gisnzs, Proc. Elliott Soc. Nat. Hist. Charleston, S. C. i. 36 
This curious crab is distinguished from all others found 
on this coast, by the smallness of its posterior four pairs o 
feet, which are entirely concealed beneath the carapax; 
those of the first pair on the contrary are very large, ang 
lar, and much longer than the shell. 
Monterey, (W. Rich.) 
Mus. Expl. Exped. 
Tring CYCLOMETOPA. 
CANCER MAGISTER. Dana. 
Cancer magister, Dana; U. S. Exploring Expedition, Crust. i. 151, Pl. VII. i: H 
SrrIMPSON; Proc. Cal. Acad. Nat. Sci. i.88. Cancer irroratus, RANDALL, 
(non Say.) 
The largest of the numerous species found on the Cali- 
n 
