NEW MALLOPHAGA. 479 



This forcipated clypeus is found also in D. -pertusus N. 

 (on Fulica) of the group emarginati. 



Description of female. Body, length 2 mm., width .9 

 mm. ; forehead light golden brown, hindhead dark brown, 

 thorax and abdomen strongly blotched with dark brown, 

 abdomen with interrupted narrow, black, lateral bands. 



Head, length .56 mm., width .59 mm.; front with a 

 subcircular emargination enclosed in front by mesad- 

 projecting, acute, forceps-like points; no marginal hairs 

 on forehead excepting three or four short ones just in 

 front of trabecular ; the trabecular are rather long, reach- 

 ing beyond end of segment 1 of antenna; eye with a 

 hair; temporal margins with two longish hairs and a short 

 one between them; occipital margin sinuous, bare ; sig- 

 nature broad and very pale, and indistinct anteriorly, 

 with a short, obtuse, posterior point which is darker 

 colored ; antennal bands broad, short, paling into general 

 color of forehead; ocular bands fairly distinct, as also 

 the occipital bands ; temporal regions dark brown with 

 narrow blackish border outwardly ; a narrow black occi- 

 pital border. 



Prothorax with rounding sides and angles, with a single 

 weak hair in each posterior angle; broad, dark brown 

 lateral borders paling outwardly and darkest in posterior 

 angles ; two indistinct narrow dark lines running diago- 

 nally inward from each lateral border. Metathorax with 

 rounding lateral angles, obtusely angled on abdomen and 

 with a series of pustulated hairs along posterior margin; 

 two linear transversal blackish blotches projecting inward 

 from each side, the anterior blotch much the larger and 

 more distinct. Legs dark brown with blackish marginal 

 markings and semiannulations at extremities of femora. 



Abdomen obovate, sides somewhat turbinate but with 

 the projecting angles rounded; segments 3-6 with two 



