GRASSHOPPERS — GURNEY AND BROOKS 89 



KOZHANTSHIKOV, I. V. 



1956. On the peculiarities of the diapause in eggs of acridian Orthoptera. 

 Ent. Obozr. (Rev. d'Ent. de I'URSS), vol. 35, pp. 28-42. 

 La Rivers, Ira 



1948. A synopsis of Nevada Orthoptera. Amer. Midi. Nat., vol. 39, 



pp. 652-720. 

 Lees, A. D. 



1955. The physiology of diapause in arthropods. Cambridge Monogr. 



Exp. Biol., vol. 4, pp. 1-151, 25 figs. 

 LiBBY, W. F. 



1954. Chicago radiocarbon dates, IV. Science, vol. 119, pp. 135-140. 

 MacCarthy, H. R, 



1956. A ten-year study of the climatology of Melanoplus mexicanus mexi- 



camis (Sauss.) (Orthoptera: Acrididae) in Saskatchewan. Cana- 

 dian Journ. Agr. Sci., vol. 36, pp. 445-462. 

 McGrath, J. E. 



1893. The Alaskan Boundary Survey, II. The boundary south of Fort 

 Yukon. Nat. Geogr. Mag., vol. 4, pp. 181-188. 

 McVaugh, Rogers 



1956. Edward Palmer, plant explorer of the American West. Univ. Okla- 

 homa Press, 430 pp., illus. 

 Middlekauff, W. W. 



1958. Biology and ecology of several species of California rangeland grass- 

 hoppers. Pan-Pac. Ent., vol. 34, pp. 1-11. 

 MiTCHENER, A. V. 



1954. A history of grasshopper outbreaks and their control in Manitoba, 

 1799-1953. Proc. Ent. Soc. Manitoba, vol. 9, pp. 46-59. (Mimeo- 

 graphed.) 

 Morse, Albert P. 



1904. Researches on North American Acrididae. Carnegie Inst. Wash- 

 ington Publ. No. 18, pp. 1-55, 13 figs., 8 pis. 

 1908. Report on the Isle Royale Orthoptera of the 1905 expedition. In, 

 C. C. Adams, An ecological survey of Isle Royale, Lake Superior, 

 pp. 299-303. 



1920. Manual of the Orthoptera of New England. Proc. Boston Soc. Nat, 



Hist., vol. 35, pp. 197-556, 99 figs., pis. 10-29. 



1921. Orthoptera of Maine. Maine Agr. Exp. Sta. Bull. 296, pp. 1-36, 



25 figs. 



MUNRO, J. A. 



1949. Grasshopper outbreaks in North Dakota 1808-1948. North Dakota 



Hist., vol. 16, pp. 143-164. 

 MuNROE, Eugene 



1956. Canada as an environment for insect life. Canadian Ent., vol. 88, 

 pp. 372-476, 61 figs. 

 Neilson, C. L. 



1953. Report of Provincial Entomologist. 47th Ann. Rep. British Columbia 

 Dep. Agr., pp. cc61-cc67. 

 Newton, R. C, and Gurney, A. B. 



1956-1957. [Maps of Melanoplus spp.] In, Distribution maps of range 

 grasshoppers in the United States. U. S. Dep. Agr. Coop. Econ. 

 Insect Rep., vols. 6, 7. 



