PARASITES OF ANIMALS. 43 
hologaster N., Goniocotes Burnettii Packard, Figure 37) are 
common enemies of domestic fowls. 
Figure 387. Figure 38. 
The Pigeon-lice (Liotheum giganteum Denny, Philoplerus 
baculus Nitzsch, Mirmus clavicornis, Goniodes compar N.) 
infest domestic pigeons. 
Figure 39. ; Figure 40. 
The Goose-louse ( Trinotum squalidum Denny) 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 Gervais. 
’ Figure 39.—Cat-louse (Trichodectes subrostratus N.) From American ‘ Naturalist. 
Figure 40.—Goat-lousej (Z'. capre Packard). From American Naturalist’ 
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