122 



THE WARBLE FLY. 



Hypoderma bovis DeG. 

 (A European species.) 

 Exhibit: Eggs, adult and figure. 



THE OX BOT; OX WARBLE. 



Hypoderma lineata Vill. 

 Exhibit: Larva, adult, and figure. 



THE SHEEP BOT-FLY; HEAD MAGGOT. 



(Estrus oris Linn. 

 Exhibit: Larva,* puparia, adult, and figure. 



THE HORN FLY. 



Hsematobia serrata R-D. 

 For special article see Riley and Howard, Insect Life, v. II, pp. 

 93-103. 



Exhibit: Puparium, adult, and figure. 



THE SHEEP TICK. 



Melophagus ovinus Linn. 

 Exhibit: Adult and figure. 



THE SCREW-WORM FLY. 



Chrysomyia macellaria Fab. 

 (Formerly Compsomyia. ) 



For special article see Howard, Proc. Washington Acad. Sci. , v. II, 

 p. 562, 1900. 



Exhibit: Adult and figure. 



THE CAT AND DOG FLEA. 



Ctenocephalus canis Curtis. 

 (Formerly Pulex serratieeps Gerv.) 



For full bibliography see Baker, Proc. U. S. N. M., v. XXVII, p. 

 438, 1904. 



Exhibit: Figure. 



THE SUCKING HORSE-LOUSE. 



Hxmatopinus asini Linn. 

 Exhibit: Figure. 



THE SHORT-NOSED OX-LOUSE. 



Hxmatopinus eurysternus Nitsch. 

 Exhibit: Figure. 



THE LONG-NOSED OX-LOUSE. 



Hsematopinus vituli Linn. 

 Exhibit: Adult and figure. 



