NEW MAI.I.OPHAGA. 61 



cal, widest at segment 4, in the male, just the reverse of 

 the condition according to Osborn). 



Docophorus ceblebrachys Nitzsch. (See Kellogg, New 

 Malluphaga, 11, IblJO, p. 48,"), pi. Ixvi, lig 3). 



Many specimens from a Snowy Owl, yydea nyctea 

 (Pullman, Washington). Taken previously by Kellogg 

 from same host (Kansas). 



Docophorus singularis n. sp. (Plate V, hg. 5). 



Specimens from a Nuttall's Woodpecker, Dryohates 

 nvAiallii (lone, California). Not like any other wood- 

 pecker-infesting Docophori, but belongs rather to the 

 group femorati. 



Description of the female. Body, length 1.43 mm., 

 width .71 mm.; dark chestnut-brown with distinct 

 bands on the head and thorax, angular, lateral, trans- 

 verse blotches on the abdomen; unique in the possession 

 of bipartite trabecular. 



Head, length .65 mm., width .53 mm.; large, broadly 

 concave, uncolored clypeal region broad with straight 

 to slightly concave front: one marginal hair in front of 

 distinct suture, two dorsal hairs near the laleral margin, 

 one rather short and stiff, extending forward beyond 

 the clypeal margin, the second very long; two dorsal 

 hairs in front of the trabecuhe; the trabecuhe divided, 

 anterior part short and acutely angulated, extending 

 around the base of the posterior portion of the trabec- 

 uhe on the ventral surface, the posterior portion of the 

 trabecultB nearly as long as the first two segments of the 

 antenna^ about the same width throughout, a deep 

 chestnut-brown at the base, with uncolored tip; anton- 

 nte with the first iwo joints long and about equal, pale 

 golden brown, last tliree joints darker chestnut-brown, 



