Pacific Shores of North America. 17 



pugettia richii. Dana. 



Pugettia Richii, Dana; U. S. Exploring Expedition, Crust, i. 117, PL IV. f. 3. 



In this the post-orbital expansions are bilobate, with the 

 lobes acute. Larger than the preceding ; anterior feet of 

 great size. 



San Diego, (W. Rich.) 



Mus. Expl. Exped. 



epialtus productus. Randall. 



Epialtns productus, Randall; J. A. N. S. Phil. viii. 110. Gibbes ; Proc. Am. 

 Assoc. 1850, p. 173. Dana; U. S. Exploring Expedition, Crust, i. 133, PI. VI. 

 f. 2. 



Easily recognized by its smooth quadrate carapax, with 

 two distant teeth on either side. It is the most common 

 maioid crab on the coast of California and Oregon, and is 

 usually found among sea-weeds on rocks just below low- 

 water mark. Its color is olivaceous when alive. 



Puget Sound, (Suckley;) Mouth of the Columbia, 

 (Trowbridge;) Farallone Is. (Trowbridge;) Tomales Bay, 

 (Samuels;) entrance of San Francisco Bay, (Stimpson;) 

 Monterey, (Trowbridge.) 



Mus. Smithsonian ; Bost. Soc. ; Phil. Acad. ; Paris ; 

 Acad. Petrop. 



epialtus nuttallii. Randall. 



Epialtus Nuttallii, Randall ; loc. cit. viii. 109, PL III. Gibbes ; he. cit. p. 173. 



Differs from the preceding by its more rounded outline 

 and larger rostrum. 



Upper California, (Nuttall.) 

 Mus. Phil. Acad. 



3 



