PARASITES OP ANIMALS. 



43 



hohgaster N., G-oniocoles Burnettii Packard, Figure 37) are 

 common enemies of domestic fowls. 



Fiaure 37. 



FiffureSS. 



The Pigeon-lice (^Liotheum giganleum Demij, Philopterus 

 bac.ulus Nitzsch, Nirmus clavicornis, Goniodes compar N.) 

 infest domestic pigeons. 



Figure 39. 



Figure 40. 



The Groose-louse ( Trinotum squalidumDennj^ is found with 

 other species on the goose. 



The Duck-lice (^Philopterus squalidus Nitzsch), Figure 38, 

 with other species, inhabit the common duck. 



Figure 37. — Hen-louse (Goniocotes Burnettii Pack.). American Naturalist. 

 Figure 38. — ^Duck-louse (Philopterus squalidus N.) From Gerrais. 

 Figure 39. — Cat-louse (Trichodectes subroslratm'N.) From American Naturalist. 

 Figure 40. — Goat-louse (T. caprte Packard). From American Naturalist 



