119 



THE SCREW-WORM FLY. 



Chrysomyia macellaria Fab. 

 (Formerly C 'ompsomyia. ) 



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

 562, 1900. 



Exhibit: Adult and figure. 



THE CATTLE TICK. 



Boophilus annulatus Say. 

 (Very common on cattle below the Texas fever line, and known to 

 be responsible for transmission of Texas fever among cattle.) 

 Exhibit: Eggs, adult, and figure. 



INSECTS WHICH DIRECTLY INJURE OR ANNOY HUMAN BEINGS. 



THE HOUSE FLY. 



Musca domestica Linn. 

 For general article see Howard, Cir. 35, Div. Ent., U. S. Dept. 

 Agric, 1898. 



Exhibit: Adult and figure. 



THE SOUTHERN BUFFALO GNAT. 



Simulium pecuarum Riley. 

 For general article and full life history see Osborn, Bui. 5, n. s., 

 Div. Ent., U. S. Dept. Agric, pp. 41-52, 1896. 

 Exhibit: Adult and figure. 



THE CAT AND DOG FLEA. 



Ctenocephalus cards Curtis. 



(Formerly Pulex serraticeps Gerv.) 



For general account see Howard and Maria tt, Bui. 4, n. s., rev. ed., 

 Div. Ent., U. S. Dept, Agric, pp. 24-31. 1902. For full bibliography 

 see Baker, Proc. U. S. N. M., v. XXVII, p. 438, 1901. 



Exhibit: Figure. 



THE BLOOD-SUCKING CONE-NOSE. 



Conorhinus sanguisuga Lee. 

 For general article see Howard and Marlatt, Bui. 4, n. s., rev. ed., 

 Div. Ent., U. S. Dept, Agric, pp. 38-42, 1902. 

 Exhibit: Egg, nymph, adult, and figure. 



THE HOUSE MOSQUITO. 



Culex pipiens Linn. 



For general article and life history see Howard, Bui. 25, n. s., Div. 

 Ent,, U. S. Dept. Agric, pp. 22-28, 1900. Treated as C. pungens 

 Wied. 



Exhibit: Adult and figure. 



