148 BULLETIN 1199, U. S. DEPARTMENT OF AGRICULTURE. 
12S. A further study of soil treatment in greenhouse culture . By H . J. Wheeler and G. E . Adams June 
1903. ' 
129. Experiments with feldspathic rock as a source of potassium. By B. L. Hartwell and F. R Pember 
June, 1908. 
130. Analyses of commercialfertilizers. Bv B. L. Hartwell [and others!. Juiv, 1908 
131. Furthersoiltests with paraffined wire baskets. By B. L. Hartwell and F. R. Pember Aug 1908 
132. Analvses of commercialfertilizers. By B. L. Hartwell, J. F.Morgan. andL. F. Whipple. Nov'l90s' 
133. Weeds , their eradication and control." By G.E.Adams. Apr. ,1909. 
134. Abstracts of feeding experiments. Bv B. L. HartwelL— Analyses of commercial feeding stuffs 
By B.L. Hartwell, J. F.Morgan, and L.F.Whipple. Apr., 1909. 
135. Further results in a rotation of potatoes, rye and clover. By H. J. Wheeler and G. E. Adams. Mav 
1909. J ' 
136. Ropy rnilk in Rhode Island. By L. J. Cole and P. B. Hadley. June. 1909. 
137. Analyses of commercial fertilizers. By B. L. Hartwell [and others]. ' July, 1909. 
138. Analyses of commercialfertilizers. Bv B . L. Hartwell, J. F. Morgan, and L. F. Whipple. Nov., 1909 
139. Studies of the needs of Rhode Island soils. Bv H. J. Wheeler. Jan., 1910. 
140. Abstracts of feeding experiments: analyses of feeding stuffs. Bv B. L. Hartwell. Apr., 1910. 
141. Blackhead in turkeys: A study in avian coccidiosis. By L. J. Cole, P. B. Hadley, and W . F Kirk- 
patrick. June 28, 1910. 
142. The'availability of certain unusual nitrogenous manures. By B. L. Hartwell and F.R. Pember 
June, 1910 
143. Nitrogen content and vield of crops as affected by different nitrogenous manures. By B. L. Hartwell 
H. J. Wheeler, and F. R. Pember. June, 1910. 
144. Fowl cholera and methods of combating it. Bv P. B. Hadley. Nov., 1910. 
145. Protein concentrates for winter chickens. By B. L. Hartwell and W. F. Kirkpatrick. Apr., 1911 
See 156 
146. A biological study of eleven pathogenic organisms from cholera-like diseases in poultry. By P. B. 
Hadley and Elizabeth E. Amison. June, 1911. 
147. The gain in nitrogen during a five-vear pot experiment with different legumes. Bv B. L. Hartwell 
and F. R. Pember. Dec, 1911. 
148. Field experiments on individual farms. By H. J. Wheeler. Jan., 1912. 
149. Cooperative studv of Rhode Island soil deficiencies. Bv H. J. Wheeler. Jan., 1912. 
150. Studies on fowl cholera: II, The role of an homologous culture of slight virulence in the production of 
active immunity in rabbits. By P. B. Hadley. Mar., 1912. 
151. The effect of cow dung on the availabilitv of rock p"hosphate. Bv B. L. Hartwell and F. R. Pember 
June, 1912. 
152. Cooperative experiments in alfalfa culture. By H. J. Wheeler [and others]. Oct., 1912. 
153. The effect of sodium manuring on the composition of nlants. Bv B. L. Hartwell and P. H. Wessels. 
Mar., 1913. ~ . 
154. The percentage of total phosphorus in flat turnips as influenced by the amount available in soils. By 
B. L. Hartwell. Apr., 1913. 
155. Studies oninheritance in poultry: I. The constitution of the White Leghorn breed. BvP. B. Hadley, 
D. W. Caldwell, and C. H. Magoon. June, 1913. 
156. The availability of the nitrogen of cottonseed meal and beef scrap for chicks. By B . L. Hartwell and 
R. A. Lichtenthaeler. Mar., 1914. Includes abstracts of 126, 145. 
157. Studies on fowl cholera: III. The inheritance in rabbits of immunitv to infection with the bacterium 
of fowl cholera. By P. B. Hadley. Apr., 1914. 
158. Studies on inheritance in pigeons: I, Hereditarv relations of the principal cclcrs. BvL.J.Cole. May, 
1914. 
159. Studies on fowl cholera: IV, The reciprocal relations of virulent and avirulent cultures in active immu 
nization. By P. B. Hadley. June, 1914. 
160. The comparative effect on different kinds of plants of liming an acid soil. Bv B. L. Hartwell and 
S. C. Damon. Oct., 1914. 
161. Studies oninheritanceinpoultrv: II, The factor for black pigmentation in the White Leghorn breed. 
By P. B. Hadley. Dec, 1914. 
162. Sex ratios in pigeons, together with observations on the laying, incubation, and hatching of the eggs. 
By L. J. Cole and W. F. Kirkpatrick. Apr., 1915. 
163. The cbmnarative value of different sources of phosphorus. Bv B. L. Hartwell and S. C. Damon. 
June,"l915. — [Title page and contents to] Bulletins 152-163, July 1, 1912, to June 30, 1915. 
164. The bacterial infection of fresh eggs. By P. B. Hadley and D. W. Caldwell. Jan., 1916. 
165. Starch congestion accompanving~certaih factors which retard plant growth. By B. L. Hartwell. 
May, 1916. 
166. The r61e of the flagellated protozoa in infective processes of the intestines and liver. By P. B . Hadlev 
June, 1916. 
167- A twentv-vear comparison of different rotations of corn, potatoes, rye and grass. By B. L. Hartwell 
and S."C. Damon. June, 1916. 
168. The avenue and development of tissue-infection in intestinal trichomoniasis. Bv P. B. Hadlev. 
Nov., 1916. 
169. Studies by means of both pot and solution culture of the phosphorus and potassium requirements 
of the barley plant duringits different periods of growth. By F. R. Pember. Jan., 1917. 
170. The persistence of lawn and other grasses as influenced especially by the effect of manures on the 
degree of soil acidity. By B. L. Hartwell and S. C. Damon. Apr., 1917. 
171 The value of Thomas slag phosphate for neutralizing soil as well as for supplving phosphorus. By 
B. L. Hartwell, F. R. Pember and S. C. Damon. June, 1917. 
172 Infections caused by Bacterium pullorum in adult fowls. By P. B. Hadley [and others]. Nov., 1917. 
173 Miscellaneous experiments with corn. By B. L. Hartwell and S. C. Damon. Apr., 1918. 
174. The colon-tvuhoid intermediates as causative a gents of disease in birds: I, The oaratyphoid bacteria. 
Bv Philip Hadlev. Marguerite W. Elkins and Dorothv W. Caldwell. May. 1918. 
175. The influence of crop plants on those which follow, I. Bv*B. L. Hartwell and S. C. Damon. June.1913. 
176. Theinfluence of crop plants on those which follow, n. "Bv B. L. Hartwell, F. R. Pember and G. E. 
Merkle. Mar., 1919. 
177. The value ofsodium when potassium is insufficient. By B. L. Hartwell and S. C. Damon. Apr., 1919. 
178. A five-vear rotation of potatoes, rye straw and squashes, onions, oats and rowen, and hav. By S. C. 
Damon. May, 1919. 
179. Studies on fowl cholera: VI, Immimization against Bacillus atisepticus by means of inoculations with 
killed cultures of virulent and avirulent strains. By Philip Hadley and Dorothy W. Caldwell. 
June, 1919. 
180. A field comparison of hvdratedlime with limestone of different degrees of fineness. ByB. L. Hartwell 
and S. C. Damon. * Dec, 1919. 
