68 BULLETIN 981, U. S. DEPARTMENT OF AGRICULTURE. 



(17) Newell, Wilmon. 



1915. Insect enemies of Sudan grass. Tex Agr. Exp. Sta. Circ. 7, n. s., 

 18 p., 6 fig. 



(18) Oakley, R. A. 



1913. Some new grasses for the South. In U. S. Dept. Agr. Yearbook for 

 1912, p. 495-504. 



(19) Piper, Charles V. 



1915. Andropogon halepensis and Andropogon sorghum. In Proc. Biol. 

 Soc, Wash., v. 28, p. 25-44. 



(20) SCHMITZ, NlCKOLAS. 



1916. Sudan grass. Md. Agr. Exp. Sta. Bui. 194, p. 47-62, 7 fig. 



(21) Taubenhaus, J. J. 



1920. Diseases of grains, sorghums, and millet, and their control in Texas, 

 Tex. Agr. Exp. Sta. Bui. 261, 34 p., 15 fig. 



(22) Thompson, G. E. 



1916. Sudan grass in Kansas. Kans. Agr. Exp. Sta. Bui. 212, 29 p., illus. 



(23) Vinall, H. X. 



1914. Sudan grass as a forage crop. U. S. Dept. Agr., Farmers' Bui. 605, 

 20 p., 10 fig. 



(24) 1917. Foxtail millet: Its culture and utilization in the United States. 



U. S. Dept. Agr., Farmers' Bui. 793, 28 p., 10 fig. 



(25) — and McKee, Roland. 



1916. Moisture content and shrinkage of forage. In Jour. Amer. Soc. 

 Agron., v. 8, no. 2, p. 92-99. Literature cited, p. 97-99. 



(26) 1916. Moisture content and shrinkage of forage and the relation of these 



factors to the accuracy of experimental data. U. S. Dept, Agr. Bui. 

 353, 37 p. 



(27) Westgate, J. M., and Oakley, R. A. 



1914. Percentage of protein in nonlegumes and legumes when grown alone 

 and in association in field mixtures. In Jour. Amer. Soc. Agron., v.6, 

 no. 4/5, p. 210-215. 



(28) Woll, F. W., and Voorhies, E. C. 



1917. Trials with California silage crops for dairy cows. Calif. Agr. Exp. 

 Sta. Bui. 282, p. 19-40. 



(29) Youngblood, B., and Conner, A. B. 



1915. Sudan grass. Tex. Agr. Exp. Sta. Bui. 172, 28 p., 7 fig., 1 pi. (col.). 



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