4 6 REPORT OF NEW JERSEY STATE MUSEUM. 



ORNITHOBIUS Denny. 



O. goniopleurus Denny. Infests the Canada goose. 

 O. cygni Linn. The white swan louse. 



ONCOPHORUS Rudow. 

 O. minutus Nitzsch. On the American Coot or mud hen. 



GONIOCOTES Burm. 

 G. compar Nitzsch. Another pigeon parasite. 



GONIODES Nitzsch. 

 G. dispar Nitzsch. A parasite of quail. 

 G. sty lifer Nitzsch. Another turkey louse. 

 G. damicornis Nitzsch. Infests the common pigeon. 

 G. falcicornis Nitzsch. Common on pea-fowl. 



Family TRICHODECTID/E. 



Like the preceding family, but the antennae are 3-jointed, the tarsi have 

 only one claw, and all the species infest mammals. 



TRICHODECTES Nitzsch. 



T. scalaris Nitzsch. Common on domestic cattle. 

 T. parumpilosus Piaget. Biting louse of the horse. 



Fig. 8. Dog-louse () and sheep-louse (b), Trichodectcs 

 latus and spharocef'lii.iliis. 



T. climax Nitzsch. Infests the domestic goat. 



T. sphaerocephalus Nitzsch. Found on do- 

 mestic sheep. 



T. subrostratus Nitzsch. Infests the house cat. 



Fig. 7. Cow-louse, Trichodectes 

 scqlaris. 



T. retusus Nitzsch. Recorded from weasel. 



T. mephitidis Osb. Occurs on the common skunk. 



