THE CHEESE SKIPPER AS A PEST IX CURED MEATS 00 



(77) United States Department of Agriculture, Bureau of Entomology. 



1916. important insects which may affect the health of men or 



ANIMALS ENGAGED IN MILITARY OPERATIONS. U. S. Dept. Agl\, 



Off. Sec Circ 61. 24 pp., illus. 



(78) United States Department of Agriculture, Bureau of Animal Industry. 



1921. notices regarding meat inspection. U. S. Dept. Agr., Bur. Anim. 

 Indus. Serv. and Regulat. Announc. 165 : 2-3. 



(79) Wilder, F. W. 



[1921]. the modern packing house. New ed. rev. by D. I. Davis. 

 472 pp., illus. Chicago. 



(80) Wlllard, X. A. 



1869-70. the cheese-fly. Amer. Ent. 2 : 78. 



(81) Wtlle, J. 



1923. BIOLOGISCHE UND PHYSIOLOGISCHE BEOBACHTUNGEN UND VERSUCHE 

 AN DER KASEFLIEGENLARVE ( PIOPHILA CASEI L. ) . Zool. Jalirb., 



Abt. Allg. Zool. u. Physiol. Tiere 39 : 301-320, illus. 



(82) Zetterstedt, J. W. 



1840. insecta lapponica. 1139 pp. Lipsiae. 



( S3) 



1847. dlptera Scandinavia, t. 6. Lundse. 



