ISOPODS OP^ NORTH AMERICA. 



87] 



Yakutat; Glacier Bay; (larfortli Island in Muir Inlet and Sitka, Alaska; 

 Beaver Cove on Vancouver Island; Land's End, California; Gahnola 



Fig. -JO'i.— I'entidotea wos- 

 NESENSKii. Male. 



Fig. 403.— Penditotea wosnesens- 

 Kii. Female. 



Island; Taylor Bay; Boca de Quadra; Head of Mink Arm; San Fran- 

 ('is(x), California; Gulf of Georgia; Farallone Islands, California; Fort 

 Point, San Francisco, California; 

 Port Renfrew, British Columbia. 

 (K. Osburn.) 



Depth. — Surface to 9 fathoms. 

 Found at low tide, on beach, in sand 

 and rocks; under stones. 



Bod}' oblong-ovate, with the sides 

 of the thorax nearly parallel; length, 

 three times its greatest breadth, 11 

 mm. :32 mm. Length of abdomen 

 about three-eighths the entire length 

 of body, 13 nun.: ?>2 nun. Head 

 wider than long, with frontal mai'gin 

 slightly excavate; posterior portion 

 somewhat wider than anterior por- 

 tion. Eye.-^ small, compound, ti'ansversely ovate, and situated at the 

 extreme lateral margin, about halfway between the anterior and pos- 

 terior margins. The first pair of antennsv are composed of four 

 articles; the ])asal article is about twice as broad as any of those fol- 

 lowing; the first, second, and third articles are about ecjual in length; 

 the fourth is a little longer and clavate in shape. The first antenna' 

 extend a little beyond the middleof the third article of the peduncle 

 of the second pair of antenna'. The second pair of antennte have 



Fig. -lUl.— rENTiDoTEA w<).<nesi;.\skh. a, 

 Maxilliped. X 15s. ''. First a.ntenna. 

 X 15i. 



