70 BULLETIN 1001, U. S. DEPARTMENT OE AGRICULTURE. 
7. Range Feeds. 
"29. Cassidy, Jas., and O'Brine, David. Some Colorado Grasses and Their Chemical 
Analysis. Colo. Exp. Sta. Bull. 12, 1890. 
30. Griffiths, David. Native Pasture Grasses of the United States. Dept. Agri 
Bull. 201, 1915. 
31. Hitchcock, A. S. The Genera of Grasses of the United States. Dept. Agri. Bull. 
772, 1920. 
There are many technical papers on the native grasses' of" the Western United States. 
32. Kennedy, P. B., and Doten, S. B. A Preliminary Report on the Summer 
Ranges of Western Nevada Sheep. Nev. Exp. Sta. Bull. 51, 1901. 
33. Kennedy, P. B. Summer Ranges of Eastern Nevada Sheep. Nev. Exp. Sta. 
Bull. 55, 1903. 
34. — and Dinsmore, S. C. Native Forage Plants and their Chemical Compo- 
sition. Nev. Exp. Sta. Bull. 62, 1906. 
35. . Digestion Experiments with Native Hay. Nev. Exp. Sta. Bull. 
64, 1907. 
36. . Digestion Experiments on the Range. Nev. Exp. Sta. Bull. 
71, 1909. 
37. Knight, H. G., Hepner, F. E., and Nelson, Aven. Wyoming Forage Plants 
and their Chemical Composition. Wyo. Exp. Sta. Bull. 65, 70, 76, and 87, 
1905, '06, '08, '11. 
38. Sampson, A. W. The Revegetation of Overgrazed Range Areas. For. Serv. 
Circ. 158, 1908. 
39. . Natural Revegetation of Depleted Mountain Grazing Lands. For. Serv. 
Circ. 169, 1909. 
40. . The Reseeding of Depleted Grazing Lands to Cultivated Forage Plants. 
Dept. Agri. Bull. 4, 1918. 
41. . Natural Revegetation of Range Lands Based Upon the Growth Require- 
ments and Life History of the Vegetation. Journ. Ag. Research, Vol. 3, No. 2. 
Nov. 16, 1914. 
42. . Important Range Plants. Dept. Agr. Bull. 545, 19.17. 
43. U. S. Forest Service, Office of Grazing Studies. Notes on National Forest 
Range Plants. Part I. Grasses. (Without number, not for distribution), 
1914. 
44. Wooton, E. O. Grasses and Grasslike Plants of New Mexico. N. Mex. Exp. 
Sta. Bull. 81, 1912. 
45. ■ . Carrying Capacity of Grazing Ranges in Southern Arizona. Dept. Agri. 
Bull. 367, 1916. 
8. Emergency Feeds. 
46. Forsling, C. L. Chopped Soapweed as Emergency Feed for Cattle on South- 
western Ranges. Dept. Agri. Bull. 745, 1919. 
47. Foster, Luther, and Humble, C. W. Range Cow Maintenance on Yucca 
and Sotol. N. Mex. Exp. Sta. Bull. 114, 1918. 
48. Griffiths, David. Feeding Prickly Pear to Stock in Texas. Bur. Animal 
Ind. Bull. 91, 1906. 
49. — , and Hare, R. F. Prickly Pear and Other Cacti as Food for Stock. " N. 
Mex. Exp. Sta. Bull. 60, 1906. 
50. Jones, J. M. and Conner, A. B. The Utilization of Yucca for the Main- 
tenance of Cattle. Tex. Exp. Sta. Bull. 240, 1918. 
51. Thornber, J. J. Native Cacti as Emergency Forage Plants. Ariz. Exp. Sta. 
Bull. 67, 1911. 
