of the Pacific Shores of North America. 521 
appendiculus 4-5 articulated. In the inferior antenne the 
flagellum, of 11 oblong articles, is scarcely shorter than the 
peduncle, the terminal and penult joints of which are of 
equal length, and each four or five times as long as the 
antepenult. The four hands are rather small, of nearly the 
same size and shape, suboblong ; palm transverse, minutely 
denticulated and setose, finger short, considerably curved. 
Posterior caudal stylets with unequal rami; the outer ones 
large, nearly as long as the three posterior segments of the 
abdomen ; inner ones very small and inconspicuous. Color, 
dark brownish, rarely blackish. Length, 0.5 inch. 
This species differs from G. Atchensis in the smoothness 
of the dorsal surface of the first three abdominal segments. 
Is found among conferve in salt marshes near San 
Francisco ; anda few specimens were obtained from the 
stomachs of salmon caught in Puget Sound. 
Mus. N. P. Exped.; Smithsonian. 
IPHIMEDIA PUGETTENSIS. Dana. 
Iphimedia Pugettensis, Dana; U. S. Exploring Expedition, Crust. ii. 932, 
PI. ESHI f. 6. 
Hab, Puget Sound, (Expl. Exped.) 
Mus. Expl. Exped. 
PHOXUS GRANDIS. Stimpson, n. s. 
This species is of a much larger size than is usual in the 
genus, Body broad and robust. Rostrum lamelliform, 
“panded over the bases of the superior antennz, with a 
broadly rounded extremity. Superior antenne bi-flagel- 
ate, the inner flagella very little smaller than the outer 
ones; both 12-articulate ; penultimate article of peduncle 
entirely Concealed beneath the rostrum. Inferior antenne 
_ ute longer than the superior ones; terminal article of - 
^ Ce broad at its extremity where its outer angle is 
JOURNAL, p, B. N. n. 67 
