MALLOPHAGA FROM BIRDS OF THE PONAPÉ I. ETC. 



49 1 



hairs on each side of forehead; a long hair at the angle in front 

 of each shallow ocular emargination ; ocular fringe distinct, composed 

 of long stiff hairs ; palpi projecting to an extent of half the length of 

 the apical segment ; the eye is large, emarginate and with a brownish 

 fleck ; temples broad, rounded, each bearing four long pustulated hairs 

 and a few prickles ; occipital margin concavo-convex, with four short 

 hairs. Colour of head clear brownish ; temples with narrow brownish 

 margin ; the curved line bounding the antennal region pitchy brown ; 

 occipital margin edged with pitch)- brown, paler in the middle ; a * 

 brownish spot on the margin, just in front of each palpus. 



Prothorax 0.15 mm. iong, 0.29 mm. wide, hexagonal in outline, 

 with produced and sharp lateral angles, each bearing two spines and 

 a hair ; anterior lateral margin straight; posterior margin flatly convex, 

 bearing six long and pustulated hairs ; transverse and longitudinal 

 chitin bars distinct, of a clear brownish colour. Mesothorax 0.066 mm. 

 long, o 32 mm. wide ; distinctly divided from metathorax by lateral 

 emargination and a suturai line, with convex lateral and truncate 

 posterior margins ; two short prickles on the posterior margin ; a reddish 

 brown band around sides and anterior angles, broken medially. Meta- 

 thorax pentagonal, 0.49 mm. long, 0.46 mm. wide, and about three- 

 fourths as long as abdomen ; anterior lateral margin bare, straight, 

 diverging posteriorly ; posterior lateral angles obtuse, each bearing four 

 spines and a short submarginal hair ; posterior margin parabolical, with 

 four short submarginal hairs on the summit ; the region posterior to 

 posterior lateral angles very large. Ground colour of metathorax pale 

 brownish ; each lateral margin with a brownish submarginal band, 

 curving at the lateral angle ; smoky brown indistinct bands running 

 inward from the median part of the bands, nearly meeting together 

 mediali)-. Legs long and stout, somewhat paler than thorax, with 

 darker marginal markings on femorae and tibia?. 



Abdomen broad, elliptical ; widest at the fourth segment ; lateral 

 margin of segments rounded ; the first segment the longest ; posterior 



