APPENDIX I. 



BULLETINS PLTBLISHED JUNE 30, 1899-JULY 1, 1900. 



No. 171. Concerning Patents on Gravity or Dilution Separators. 



No. 172. The Cherry Fruit-Fly ; A New Cherry Pest. 



No. 173. The Relation of Food to Milk-Fat. 



No. 171:. The Problem of Impoverished Lands. 



No. 175. Fourth Peport on Japanese Plums. 



No. 176. The Peach-Tree Borer. 



No. 177. Spraying Notes. 



No. 178. The Invasion of the Udder by Bacteria. 



No. 179. Introduction to Field Experiments with Fertilizers. 



No. 180. The Prevention of Peach Leaf-Curl. 



No. 181. Pollination in Orchards. 



No. 182. Sugar Beet Investigations for 1899. 



