NEW MALLOPHAGA. Ill 



Head, length .53 mm., width .50 mm. ; conical, clypeus 

 truncate, even slightly concave in front, a short hair at 

 each anterior angle and five other short hairs in the lateral 

 margin between it and the small but distinct trabecula; 

 temporal margin slightly rounding, with two longish hairs, 

 and behind the hinder one two very short, stiff, prickle- 

 like hairs; posterior margin straight; antennae uncolored, 

 second segment longest, third, fourth and fifth segments 

 about equal; anterior part of clypeus transparent, and a 

 transparent space on each side just inside of trabecular; 

 margin of forehead with a twice-interrupted, uneven, 

 black line, the middle third of it not contiguous to the 

 margin and thickly crescentic; a black border along the 

 temporal margins, bending inwards at anterior end; labi- 

 um black; mandibles chestnut brown. 



Prothorax quadrangular, bordered laterally with black, 

 which runs inward along the posterior margin one-third 

 the length of the margin; a single hair at posterior angles. 

 Metathorax pentagonal, bordered on the anterior lateral 

 margins with dark brown, inside of which the short, 

 curving, black, intercoxal lines of the sternum show 

 through; posterior lateral angles with five strong pustu- 

 lated hairs almost exactly as in ftrcestans; posterior mar- 

 gin angulated on abdomen ; sternal markings consist of 

 an obtusely-pointed, nipple-like fleck, projecting inwards 

 from lateral margin of metathorax. Legs, femur with 

 brown fleck at basal end and tibia with brown blotch at 

 distal end, tarsus brown, otherwise white; tibia with three 

 short, stiff hairs on inner side and one on outer side; 

 femur with two or three short hairs arising in basal blotch. 



Abdomen with segment 4 widest; nearly parallel-sided 

 for most of its length ; segment 1 with small black blotch 

 at anterior angles, segments 2 — 7 with triangular (seg- 

 ments 2-3 ), or curving, angulated (segments 4-7) blotches 



