126 



FEATHER-LICE INFESTING PIGEONS. 



thorax is narrow, the abdomen, in the male (fig. 103) 

 broadest near the posterior end, in the female (fig. 104), 



Fig. 103. — Biting-louse of pigeon, male, posterior end. 

 Greatly enlarged. Original. 



Fig. 104. — Biting-louse of pig- 

 eon, female. Greatly enlarged. 

 Original. 



Fig. 105. — Biting-louse of 

 pigeon. Greatly enlarged. After 

 Nitzsch. 



more regular and broadest in the middle. The insect is 

 whitish, with a brownish margin. It measures a little more 

 than 1mm. in length. 



Goniodes damicornis Nitzsch. 

 This species, about 2mm. long, and of a brownish color, 

 has a head well rounded in front and strongly angular be- 

 hind. It appears to be common upon pigeons. Fig. 105 

 shows a male of this parasite. 



Goniodes minor Piaget. 

 This species is also found upon the domestic pigeon. 



Llpuevus haculas Nitzsch. 

 Almost every pigeon is infested with this peculiar insect. 

 Its shape is verv^ striking, and quite different from that of 

 almost any other feather-louse, being extremely slender, al- 



