324 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1952 



Dyson, James L. 



1952. Glaciers of the American Rocky Mountains. Trien. Rep. 1950-52, 

 Committee on Glaciers, American Geophysical Union. Amer. Geogr. 

 Soc. 

 Faure, J. C. 



1933. The phases of the Rocky Mountain locust Melanoplus mexicanus 

 (Saussure). Journ. Econ. Ent., vol. 26, pp. 706-718, illus. 

 Flint, Richard F. 



1947. Glacial zoology and the Pleistocene epoch. 589 pp., illus. New York 

 and London. 

 Gallaway, Hakry E. 



1949. Melanoplus occidentalis occidentalis, a range species of grasshopper 

 in Nevada. Journ. Econ. Ent., vol. 41, pp. 925-927 (1948). 

 Glick, P. A. 



1939. The distribution of insects, spiders, and mites in the air. U. S. Dept 



Agr. Techn. Bull. 673, pp. 1-150, illus. 

 Gurney, A. B. 



1949a. Melanoplus rugglesi, a migratory grasshopper from the Great Basin 

 of North America (Orthoptera, Acrididae). Proc. Ent. Soc. Wash- 

 ington, vol. 51, pp. 267-272. 

 1949b. Distributional and synonymic notes on psocids common to Europe 

 and North America, with remarks on the distribution of Holarctic 

 insects (Corrodentia). Journ. Washington Acad. Sci., vol. 39, 

 pp. 56-65. 

 Hayden, F. V. 



1873. Sixth Report of the United States Geological Survey of the Territories, 

 pp. 1-844. 

 Hebard, Morgan. 



1917. Notes on Mexican melanopli. Proc. Acad. Nat. Sci. Philadelphia, 



vol. 69, pp. 251-275, 5 figs. 

 Howard, L. O. 



1918. Schistocerca tartarica taken at sea. Proc. Ent. Soc. Washington, 



vol. 19, p. 77 (1917). 

 Kennedy, J. S. 



1951. The migration of the desert locust (Schistocerca gregaria Forsk.). 



I, II. Philos. Trans. Roy. Soc. London, ser. B, vol. 235, pp. 163-290, 



illus. 

 Kimball, James P. 



1899. The granites of Carbon County, Montana : A division and glacier field 



of the Snowy Range. Bull. Amer. Geogr. Soc, vol. 31, pp. 199-216, 



illus. 

 Kulp, J. L., Feeley, H. W., and Tryon, L. E. 



1951. Lamont natural radiocarbon measurements, I. Science, vol. 114, pp. 



565-568. 

 Kulp, J. L., Tryon, L. E., and Feeley, H. W. 



1952. Techniques of natural carbon-14 determination. Trans. Amer. 



Geophys. Union, vol. 33, pp. 183-192, illus. 

 Lovering, T. S. 



1929. The New World or Cooke City mining district, Park County, Mont. 



U. S. Geol. Surv. Bull. 811A, pp. 1-87, illus. 

 Macauley, S. A. 



1940. Two miles high on Grasshopper Glacier. Travel, vol. 73, No. 3, pp. 



36-37, 40, illus. 



