OLFERSIA. Sucking Fly. 



I. O. aincricaiia. j/^ in. ; to point of wing, ^^^ in. ; clay yellow, witli impressed middle line on chest. Lives 

 (in owls and other birds. 



MELOPHAQA. Mammal Fly. 



Wingless. 



ti. JA dcpi-cssc7. yi in.; honey yellow, with oval eyes. 

 2. M. ovina. The Sheep Tick. 

 % 



Family 32. NYCTERIBIID/E. Bat Lice. Leather yellow; about ,Vs inch in length. 



Family ii. BRAULIOyE. Bee Lice. 



BR AULA. Bee Louse. 



I. /i. ccvctr. J^ in. ; wingless and eyeless. Lives on the honey bee. 



Family 34. PVUCID/E. FleaS. 



PULEX. Flea. 



1. y. irritaiis. The human Flea. Dark brown; no spines on mouth or back of neck. 



2. P. {Ccratopsyllns) so-raticcps. The Dog Flea. Reddish tawny brow ii ; a row of black spines 



o\\ sides of mouth and back of neck. Other fleas occur on diflerent birds and animals. 



(63) 



