256 



NEUROPTEEA. 



jioultry : four 



genera arc common on fowls and chicks, 

 namely, Goniodes, Ooniocotes, Meticpon, 

 and Lipewrus. These lice live upon the 

 birds permanently, — Goniodes and Gonio- 

 cotes on the neck, under the wings, and 

 on the rump. Menopon is more active, 

 and wanders over the whole body : this is 

 the louse that crawls on to a person pluck- 

 ing fowls, but soon dies. Lipeurus lives 

 between the barbs of the wing-feathers. 

 These lice eat away at the base of the 

 feathers, the skin, &c., and cause severe 

 T™"'/ oT'^f '^ irritation. They stunt the growth of young 



ALUS ( ¥ J OF "^ "^ JO 



chicks to a serious extent, and prevent the 

 birds taking nourishment and rest. 

 One can usually detect the presence of lice on birds by the 

 barbs of the feathers, especially those of the saddle-hackle, he- 



FiG. 131, 



SPH^ROCEPHALUS 



Sheep, luag. 20 diameters, 

 (Fleming.) 



;^*tfT 



Ftg. 132.- M,\Lr,opH\GA or Bird-lice. 



1. LijKvnis vfi.rmhllis. 



2, Moiopoii pallidum. 

 (All gix\it,ly enlarged.) 



3, Goniocotcs holt)(jaster 



coming notched and jagged. The antennas of the Bird-lice ai'e 

 composed of four or five joints ; those that we get on the mam- 



