NEW MALLOPHAGA. 89 



these blotches and lines black along- lateral margin of 

 body forming broad, black, lateral, abdominal bands; the 

 blotches and lines separated medially by a pale, almost 

 uncolored space on segments 2-5; on segments 6-7 and 

 on posterior half of segment 5 the blotches and lines 

 coalesce on the median line; several pustulated hairs 

 ranged along posterior margins of blotches on segments 

 2-6; last segment flatly rounded posteriorly with several 

 longish hairs, a curving, transverse, medial blotch, and 

 regions of the anterior angles uncolored. 



Female, with transverse blotches of segments 2-7 of 

 abdomen very short, beginning with anterior segments 

 successively acute, diagonally truncate, and truncate on 

 inner ends, the usually three pustulated hairs conspicu- 

 ous; large medial space of abdomen whitish; last seg- 

 ment fuscous, with five longish hairs in two groups, one 

 of two and one of three, on each side; measurements, 

 length 1.75 mm., width .7 mm.; head, length .53 mm., 

 width .51 mm. 



Docophorus occidentalis n. sp. (Plate iii, fig. 7.) 



An abundant species on the Pacific Coast varieties of 

 the Fulmar, Fulmarus glacialis ^pacificus and F. g. rodg- 

 ersii '; found on twenty-nine of thirty of these Fulmars 

 shot on the Bay of Monterey, California. Two speci- 

 mens, probably stragglers, taken on two Surf Scoters, 

 Oidcmia ■perspicillata (Bay of Monterey). 



Description of the male. Body, length 1.56 mm., width 

 .7 mm.; short, broad, strongly-colored, with black ab- 

 dominal bands and triangular, lateral, abdominal blotches. 

 Head, length .53 mm., width .53 mm.; conical, with 

 truncate or weakly convex front; three very small mar- 

 ginal hairs, one of which is slightly in front of suture; 

 trabecular reaching slightly beyond base of the second 

 antennal segment; antennas colored except at sutures, 



