1. Wartime cinchona procurement in latin america

   • W. H. Hodge

   OriginalPaper Pages: 229 - 257

2. Coffee breeding in java

   • F. P. Ferwerda

   OriginalPaper Pages: 258 - 272

3. The castor-oil plant in the United States

   • R. O. Weibel

   OriginalPaper Pages: 273 - 283

4. Utilization Abstracts

   Abstract Pages: 283 - 283

5. Forest-tree breeding

   • Arthur Hakmount Graves

   OriginalPaper Pages: 284 - 305

6. The common guava—a neglected fruit with a promising future

   • Geo D. Ruehle

   OriginalPaper Pages: 306 - 325

7. Growing better tobacco

   • J. E McMurtrey

   OriginalPaper Pages: 326 - 338