314 THE PRACTICAL APPLICATION OF ECOLOGY 



Sladden, 1934. Proc. Roy. Soc. B., CXIV., 441. 



1935. Ibid., CXIX., 31. 

 Tate and Vincent, 1936. Parasitology, XXVIII., 115. 

 Thompson and Parker, 1928. Bull. Ent. Res., XVIII., 359. 

 Thorpe, 1929. Journ. Linn. Soc. ZooL, XXXVI., 621. 



1931. i6irf., XXXVII., 489. 



1930a. Biol. Rev., V., 177. 

 Woods, 1915. Bull. 244, Maine Agric. Exp. Sta., 249. 



D. The Locust Problem 



Ballard and others, 1932. Min. Agric. Egypt, Bull., 110. 

 Bodenheimer, 1929. Zeits. angew. Ent., XV., 1. 

 Butler and Innes, 1936. Proc. Roy. Soc. B., CXIX., 296. 

 Faure, 1932. Bull. Ent. Res., XXIII., 293. 



1933. Journ. Econ. Ent., XXVI., 706. 

 Hertz and Imms, 1937. Proc. Roy. Soc. B., CXXII., 281. 

 HusAiN and Mathur, 1936. Ind. Journ. Agric. Sci., VI., 591. 

 RuBTZOv, 1935. Bull. Ent. Res., XXVI., 499. 

 Strel'nikov, 1936. Vide Rev. Appl. Ent. A., XXIV., 312. 

 UvAROv, 1921. Bull. Ent. Res., XII., 135. 



1928. " Locusts and Grasshoppers." London. 

 UvAROv, 1936. Bull. Ent. Res., XX., 261. 

 UvAROV and Zolotarevsky, 1929. Ibid., XXVII., 91. 

 Zolotarevsky, 1933. Ann. Epiphyt., XIX., 47. 



