NORTH CAROLINA—-NORTH DAKOTA. ET 
243. Wintering and summer fattening of steers in North Carolina. R. S. Curtis, F. T. 
Peden and F. W. Farley. Oct., 1921. 
244. Methods and cost of raising pigs to the weaning age. D. T. Gray and E. H. 
; Hostetler. July, 1922. 
245. Rural organization, a study of primary groups in Wake County, N. C. C. C. Zim- 
merman and C. C. Taylor. Aug., 1922. 
246. Wildfire of tobacco. F. A. Wolf. Nov., 1922. 
TECHNICAL BULLETINS. 
20. Studies on the physiology of some plant pathogenic bacteria: I, Solid culture media 
with a wide range of hydrogen and hydroxyl ion concentration. F. A. Wolf 
and I. V. Shunk.—II, Further studies on bacterial blight of soybean. I. V. 
Shunk and F. A. Wolf.—III, Tolerance to acids of certain bacterial plant 
pathogens. F. A. Wolf and I. VY. Shunk.—IV, Thermal death points of some 
bacterial plant pathogenes in relation to reaction of the medium. F. A. 
Wolf and A. C., Foster.—V, The fermentative activity of some plant pathogenic 
bacteria in relation to hydrogen ion concentration. F. A. Wolf and A. C. 
Foster.—VI, The application of certain recent studies on technic to methods 
of culture of plant pathogenes. F. A. Wolf. Dec., 1921. 
21. The gloomy scale. Z. P. Metcalf. June, 1922. 
} North Dakota Agricuitural Experiment Station, Agricultural College. 
BULLETINS. 
144. Cost of producing wheat and other crops in North Dakota in 1920. R. E. Willard, 
Hutzel Metzer and Emma Skeem. Jan., 1921. 
145. Edgeley substation, report 1914 to 1920. O. A. Thompson. Feb., 1921. Also con- 
tains report prepared for Bul. 135. 
146. Report of the director, July 1, 1919 to June 30, 1920. P. EF. Trowbridge. Mar., 
1921. 
147. Inheritance of rust resistance in a family derived from a cross between durum and 
common wheat. IL. R. Waldron. Apr., 1921. 
148. Fifteenth annual report of the State demonstration farms, 1920. HE. I. Olsen. 
Apr., 1921. 
149. Varietal trials with spring wheat in North Dakota. T. E. Stoa. Aug., 1921. 
150. Report of the Hettinger substation for the years 1919 and 1920. U. J. Downey. 
July, 1921. 
151. Winter wheat in North Dakota. L. R. Waldron. Sept., 1921. 
“152. (Research bulletin 1.) Some physical and chemical studies of certain clones and 
sibs of brome-grass. L. R. Waldron. Sept., 1921. 
“158. (Research bulletin 2.) Physical characters and some of their correlations in 
Bromus inermis. WL. R. Waldron. Noy., 1921. 
154. The trail of the short grass steer, the story of a Great Plains grazing trail. J. H. 
Shepperd. Nov., 1921. 
155. Preliminary rat virus investigations. Feb., 1922. 
156. The northern pig from birth to market. J. H. Shepperd. Apr., 1922. 
157. Livestock judging contests. J. H Shepperd. Apr., 1922. 
158. Williston substation, report for years 1914 to 1920. C. H. Ruzicka. May, 1922. 
Also includes data compiled for Bul. 132. 
159. Experiment station progress, report of the director, 1920-1921. BP. F. Trowbridge. 
Apr.,. 1922: 
160. Report of the Dickinson substation, 1920-1921. Leroy Moomaw. May, 1922. 
161. Report of Edgeley substation, year ending June 30, 1921. O. A. Thompson. May, 
1922. 
4 162. North Dakota weeds. O. A. Stevens. June, 1922. 
163. The Demonstration farms, Sixteenth annual report, year ending June 30, 1921. 
Edgar Olson. May, 1921 [i. e. 1922]. 
164. Varietal trials with oats in North Dakota. T. E. Stoa. July, 1922. 
165. Cost of production and farm organization on 126 farms in North Dakota, 1921, 
and other economic data. R. EB. Willard, Hutzel Metzger, and T. S. Thorfinn- 
son. Dec., 1922. 
