NEW MALLOPIIAGA. 523 



broad, transverse, dark chestnut-brown blotch entirely 

 across segment, darkest laterally, with sharp black angu- 

 lated lateral bands, especially noticeable on segments 3- 

 8; last segment without noticeable blotch, bluntly rounded 

 behind, without numerous hairs. 



Female. Body, length 1.47 mm., width .63 mm. ; head, 

 length .3 mm., width .5 mm.; with abdomen obovate, 

 tapering posteriorly; abdominal blotches darker laterally 

 but paler in the middle; lateral bands not angulated and 

 wider; last abdominal segment elongate, tapering, with 

 narrow flatly convex posterior margin; segment 8 with a 

 group of seven strong curving hooklike hairs, the poste- 

 rior ones longest, situated on posterior part of lateral 

 margin of segments; posterior margin of this segment 

 with a series of closely set hairs. 



Colpocephalum fumidum n. sp. (Plate lxxi, fig. 5.) 



A single specimen from a Least Bushtit, Psalt?'iparus 

 minimus (Palo Alto, California). A strikingly dark Col- 

 ■poce-phalum showing resemblance to some of the Col-po- 

 cephali of the water birds, such as uniseriatim Piaget (Les 

 Pediculines, p. 562, pi. xlvii, fig. 2), from an Avocet, 

 Recurvirostra avocetta, rather than to any of the few 

 Colpocep/iali hitherto described from passerine birds. 



Description of female. Body, length 2.75 mm., width 

 1.1 mm.; very dark, smoky, with black occipital margin, 

 ocular blotches, and blackish lateral abdominal bands. 



Head, length .5 mm., width .75 mm.; forehead large, 

 flatly rounded in front, with numerous short hairs; two 

 longer hairs in angle in front of ocular emargination ; the 

 ocular emargination pronounced, angulated, with the an- 

 terior margin of the produced temples almost at right an- 

 gles to the long axis of the head; the eye prominent, 

 almost if not quite divided, the anterior and larger part 



