Apr. IS, iQis Overwintering of the House Fly 169 



(13) KiSLiUK, Max. 



1917. SOME WINTER OBSERVATIONS OF MUSCID FLIES. Ill Ohio Jour. Sci., 



V. 17, no. 8, p. 285-294. 



(14) Lyon, Harold. 



1915. does the house fly hibernate as a pupa? In Psyche, v. 22, no. 4, 



p. 140-141. 



(15) McDonnell, R. P., and Eastwood, T. 



I917. a note on the mode op existence of FLIES DURING WINTER. In 



Joiar. Roy. Army Med. Corps, v. 29, no. i, p. 98-100. 



(16) Phillips, E. F., and Demuth, G. S. 



1914. the temperature of the honeybee cluster in ^aNTER. U. S. 

 Dept. Agr. Bui. 93, 16 p., 2 fig. 



(17) Skinner, Henry. 



1913. how does the housefly pass the winter? In Ent. News, v. 24, 

 no. 7, p. 303-304. 



(18) Waterston, J. 



1916. on the occurrence of stenomalus muscarum (Linn.) in company 



with hibernating flies. In Scot. Nat., no. 54, p. 140-142. 



