FOREST BOTANY 193 



Dana, J. D. (3814) 



on the origin of prairies. Amer. Jour. Sci. (2) 40: 293-304. 1865. 



Drummond, A. T. (3815) 



OUR NORTHWEST PRAIRIES, THEIR ORIGIN AND THEIR FORESTS. Canad. ReC Sci. 



2 : 145-153. 1886. 



Edwards, Samuel. (3816) 



timber on the prairies. U. S. Dept. Agr. Kept. 1862 : 495-498. 1863. 



Englemann, Henry. (3817) 



remarks upon the causes producing . . . prairies, flats and barrens in 

 southern Illinois. Amer. Jour. Sci. (2) 36: 387-389, 391-392. 1862. 



Fendler, August. (3818) 



on prairies, Amer. Jour. Sci. (2) 41: 154-158. 1899. 



Foster,, J. H. (3819) 



the spread of timbered areas in central texas. Jour. Forestry 15 : 442- 

 445. 1917. 



Fuller, G. D. (3820) 



AN EDAPHIC LIMIT TO FORESTS IN THE PRAIRIE REGION OF ILLINOIS. Ecology 4 : 



135-140. 1923. 



Gaskill, Alfred. (3821) 



why prairies are treeless. Soc. Amer. Foresters Proc. 1 : 158-178, illus. 

 1906. 



Gates, F. C. (3822) 



pines in the prairie. Ecology 7 : 96-98. 1926. 



Gleason, H. A. (3823) 



an isolated prairie grove and its phytogeographical significance. Bot. 

 Gaz. 53: 38-49. 1912. 



■ (3824) 



some unsolved problems of the prairies. Bull. Torrey Bot. Club. 36: 265- 

 271. 1900. 



(3825) 



struggle between forest and prairie. Amer. Botanist 18 (1) : 13-14. 

 1912. 



Goodding, L. N. (3826) 



AN INTERESTING AREA OF TIMBER PINE EXTENDING INTO SOUTHWESTERN NE- 

 BRASKA. Jour. Forestry 21: 175-176. 1923. 



Hanson, H. C. (3827) 



PRAIRIE INCLUSIONS IN THE DECIDUOUS FOREST CLIMAX. Amer. Jour. Bot. 



9 (6) : 330^-337, illus. 1922. 

 Harper, R. M. (3828) 



LIMESTONE PRAIRIES OF WILCOX COUNTY, ALABAMA. Ecology 1 : 198-203. 1920. 



Harvey, E. M. (3829) 



EVAPORATION AND SOIL MOISTURE ON THE PRAIRIES OF ILLINOIS. 111. State Acad. 



Sci. Trans. 6: 92-99. 1913. 

 Hay, O. P. (3830) 



AN EXAMINATION OF PROF. LEO LESQUEREAUx'S THEORY OF THE ORIGIN AND FORMA- 

 TION of prairies. Amer. Nat. 12 : 299. 1878. 



Holsinger, S. J. (3831) 



THE BOUNDARY LINE BETWEEN THE DESERTS AND THE FOREST. Forestry and 



Irrig. 8: 21-27. 1902. 



Jones, P. M. (3832) 



origin of the prairie, Science (n. s.) 66: 329-330; discussion, 66: 655- 

 656, 68; 321-323. 1927-28, 



Kellogg, R. S. (3833) 



forest belts of western kansas and Nebraska. U. S. Dept. Agr., Forest 

 Serv. Bull. 66, 44 pp. 1905. 

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