120 



FEATHER-LICE INFESTING CHICKENS. 



and a large abdomen, with confluent markings on the sides. 

 The illustration (fig. 94) shows a female. 



Llpeitrm lieterograpliu^ Nitzsch. 

 This parasite has been described as occurring quite com- 

 monly in Europe upon the domestic fowl and upon pheasants, 

 and is very likely to be found here as well. It is ilhistrated 

 in fig. 95. 



Lipeeurus variahilt>< Nitzsch. 

 The illustration (fig. 96) shows this peculiar insect, which 

 is quite common in Minnesota. It measures about 2mm, in 



Fig. 95. — Biting-louse of the 

 cbicken. Greatlj' enlarged. 

 After Piaget. 



Fig. 96. — Biting-louse of the chicken. 

 Greatl}^ enlarged. Original. 



length, and possesses a very elongated, smooth and shining 

 body of a whitish color. The black margins of the body, 

 and the markings of the dorsal surface, distinguish it from 

 all other feather-lice infesting chickens. 



Mi^nopon jKillidum Nitzsch. 

 This is the common hen-louse, so familiar to all interest- 

 ed in poultry' raising, and so injurious to the chickens, and 

 chiefly so to the younger ones. There is scarcely a chicken, 

 which, if closely inspected, will not reveal its presence. This 

 parasite is very active, and moves about the feathers of the 



