NEW MALLOPHAGA. 135 



Prothorax, subquadrangular with anterior end project- 

 ing beneath the head, and anterior margin emarginated, 

 posterior margin weakly convex; a long, strong hair in 

 each posterior angle; pale golden, anterior angles darker. 

 Metathorax not longer than prothorax, wider, with lateral 

 angles rounded and with two long hairs inserted very 

 closely together; on the posterior margin on each side 

 two long hairs inserted very closely together; posterior 

 margin convex and obtusely angulated on the abdomen ; 

 pale golden brown, with darker spots on anterior margin 

 near the anterior angles. Legs concolorous with body, 

 or slightly paler. 



Abdomen short with subparallel sides, posterior angles 

 projecting slightly, and with two or three rather long 

 hairs; a double longitudinal line of weak hairs along 

 dorsi- meson; lateral bands smoky brown fading out on 

 posterior segments; last segment truncate behind, with a 

 few very short inconspicuous hairs on posterior margin; 

 genitalia distinct, with two backward projecting prongs 

 and two longer forward projecting prongs reaching fourth 

 segment. 



Female, body, length 1.28 mm., width .5 mm.; head, 

 length .4 mm., width .4 mm.; head less "square" in 

 appearance, more tapering, temporal margins convex not 

 straight; antennas with second segment longest, third 

 and fourth equal and fifth slightly longer than fourth; 

 lateral bands of abdomen much more strongly marked 

 and posterior angles of abdominal segments projecting 

 more; last segment of abdomen rounding with slight 

 emargination. 



Eurymetopus taurus Nitzsch. (Plate xi, figs. 3, 4, 5 



and 6.) 



Zeitsch. f. ges. Naturwiss., 1866, vol. xxviii, p. 385 (ed. Giebel). 

 Philoplerus brevis Dufour, Ann. d. 1. Soc. Ent. France, 1835, vol. iv, 

 p. 674, pi. xxxi, fig. 3. 



