50 CIRCULAR 491, U. S. DEPARTMENT OF AGRICULTURE 



LITERATURE CITED 



(1) Albertson, F. W. 



1937. ECOLOGY OF THE MIXED PRAIRIE IN WEST CENTRAL KANSAS. EcolOgi- 



cal Monog. 7:481-547, illus. 



(2) Aldous, A. E. 



1936. ECONOMIC VALUE OF NATIVE KANSAS GRASSES. In Gates, F. C, 



Grasses in Kansas. Kans. State Bd. Agr. Rept., Quarter ending 

 December 1936, pp. 13-23, illus. 



(3) 



1935. MANAGEMENT OF KANSAS PERMANENT PASTURES. KailS. Agl\ Expt. 



Sta. Bull. 272, 44 pp., illus. 



(4) and Zahnley, J. W. 



1931. tame pastures in kansas. Kans. Agr. Expt. Sta. Bull. 253, 39 

 pp., illus. 



(5) Bentley, H. L. 



1898. A REPORT UPON THE GRASSES AND FORAGE PLANTS OF CENTRAL TEXAS. 



U. S. Dept. Agr., Div. Agrostology Bull. 10, 38 pp., illus. 



(6) 



1899. PROGRESS OF EXPERIMENTS IN FORAGE CROPS AND RANGE IMPROVEMENT 



at Abilene, tex. U. S. Dept. Agr., Div. Agrostology Cir. 23, 

 20 pp., illus. 



(7) Black, W. H., Baker, A. L., Clark, V. I., and Mathews, O. R. 



1937. effect of different methods of grazing on native VEGETATION 



and gains of steers in northern great plains. U. S. Dept. 

 Agr. Tech. Bull. 547, 19 pp., illus. 



(8) Buffum, B. C. 



1893. grasses and forage plants. Wyo. Agr. Expt. Sta. Bull. 16, pp. 

 [223] -248, illus. 



(9) Cassady, John T. 



1938. transplanting grass. Cattleman 24 (10) : 18-19. 



(10) Chilcott, E. C. 



1931. THE RELATION BETWEEN CROP YIELDS AND PRECIPITATION IN THE GREAT 

 PLAINS AREA. SUPPLEMENT I. CROP ROTATIONS AND TILLAGE 



methods. U. S. Dept. Agr. Misc. Cir. 81, Sup. 1, 164 pp., illus., 



(11) Chilcott, E. F. 



1937. PREVENTING SOIL BLOWING ON THE SOUTHERN GREAT PLAINS. U. S. 



Dept. Agr. Farmers' Bull. 1771, 29 pp., illus. 



(12) Clarke, S. E., and Tisdalb, E. W. 



1936. RANGE PASTURE STUDIES IN SOUTHERN ALBERTA AND SASKATCHEWAN. 



Imp. Bur. Plant Genetics, Herbage Rev. 4 : 51-64, illus. 



(13) Clements, Frederic E. 



1928. plant succession and indicators . , . 453 pp., illus. New York 

 City. 



(14) 



1935. experimental ecology in the public service. Ecologv 16 : 342- 



363. 



(15) and Chaney, Ralph W. 



1936. environment and life in the great plains. Carnegie Inst. Wash. 



Sup. Pub. 24, 54 pp., illus. 



(16) and Weaver, John E. 



1924. EXPERIMENTAL VEGETATION J THE RELATION OF CLIMAXES TO CLIMATES. 



Carnegie Inst. Wash. Pub. 355. 172 pp., illus. 



(17) Cole, John S., Kelso, F. L., Russell, E. Z., Shepherd, J. B., Stuart, 



Duncan, and Gravis, R. R. 

 1927. work of the united states dry-land field station, ardmore, s. 

 dak., 1912 to 192 5. U. S. Dept. Agr. Tech. Bull. 17, 68 pp., illus. 



(18) Cory, V. L. 



1927. activities of livestock on the range. Tex. Agr. Expt. Sta. Bull. 

 367, 47 pp., illus. 



(19) ■ and Parks, H. B. 



1937. CATALOGUE! OF THE FLORA OF THE STATE OF TEXAS. TeX. Agr. Expt. 



Sta. Bull. 550, 130 pp., illus. 



(20) Diixman, Arthur C 



1931. the water requirement of certain crop plants and weeds in 

 the northern great plains. Jour. Agr. Research 42 : 187-238, 

 illus. 



