NEW MALLOPHAGA. 109 



Female. Body, length 2.5 niiu., width .03 uini.; 

 head, length .71 mm., width .75 mm. The shape of 

 the head different, the temporal margins heing dis- 

 tiiiitly convex; segments 1 and 2 of tlie antennae as 

 long as segments 3, 4 and 5, but segment 2 longer tiian 

 segment 1. Abdomen widely ellipitical, but distinctly 

 more elongate and less narrowed posteriorly; very pale 

 golden brown; last segment emarginate, with rounding 

 lateral halves. 



Eurymetopus. 



Eurymetopus taurus Nitzsch. (See Kellogg, New Mallo- 

 phaga, 1, 18U6, p. 135, pi. xi, ligs. 3, 4, 5 and 6). 

 Two females from two specimens of the Short-tailed 

 Albatross, Diomedea albatrus (Bay of Monterey, Califor- 

 nia). Previously taken by Kellogg from same host 

 species (same locality). A single immature specimen, 

 probably a straggler, from a Black-vented Shearwater, 

 Pu^^nus opisthojiielas (Bay of Monterey, California). 



Goniodes. 



Goniodes mammillatus Kiulow. (See Kellogg, New Mal- 

 lophaga, 11, 1596, p. oOU, pi. Ixix, fig. 2). 

 Two immature specimens from a Columbian Sharp- 

 tailed Grouse, Pediocates j)hasianeUus coliimbianus (Pull- 

 man, Washington). Previously taken by Kellogg from 

 Callipepla calif arnica (California). 



Colpocephalum. 



Colpocephalum perplanum n. sp. (Plate VII, fig. 8). 



One specimen from a Tufted Puffin, fAinda cirrhcda 

 (Bay of Monterey, California). This form resembles- 



