LITERATURE 367 



Thompson. 1923. Ann. des Epiph., X., 137. 



1924. Ann. de Parasit., II., 185, 279. 



1926. Ibid., IV., Ill, 207. 



1928. Parasitology, XX., 123. 



1934. Ibid., XXVI., 378. 

 Thompson and Parker, 1927. Ibid., XIX., 1. 

 Thorpe, 1931. Proc. Zoo. Soc, 929. 



1932. Proc. Roij. Soc. B., CIX., 450. 



1934. Quart. J. Mic. Sci., LXXVII., 273. 



1936. Parasitologif, XXVIII., 517. 

 TiMBERLAKE, 1912. U.S. BuT. Ent., Tech. Ser. Bull. 19, Pt. IV. 



1913. Journ. Econ. Ent., VI., 293. 



1916. Canad. Ent., XLVIII., 89. 

 ToTHiLL, 1922. Tech. Bull. 3 (N.S.), Dept. Agric, Ottawa. 

 TowNSEND, 1908. U.S. Bur. Ent., Tech. Ser. Bull. 12, Pt. VI. 

 Trouvelot, 1924. Ann. des Epiph., X., 1. 

 VoRis, 1934. Trans. Acad. Sci. St. Louis, XXVIII. (8), 242. 

 Wadsworth, 1915. Journ. Econ. Biol., X., 1. 

 Walton, 1914. Proc. Ent. Soc. Washington, XVI., 11. 

 Webber and Schaffner, 1926. Bull. 1363, U.S. Dept. Agric. 

 Wheeler, E. W., 1923. Ann. Ent. Soc. Amer., XVI., 1. 



