references: agriculture 467 



Seeds and plants imported during the period from January 1 to March 31, 1911: 

 Inventory No. 26; Nos. 29328 to 30461. Bulletin 233. Pp. 98. 

 (Seeds and plants imported during the period from April 1 to Jane 30, 1911: 

 Inventory No. 27; Nos. 30462 to 31370. Bulletin 242. Pp. 99. 

 Farm management: Organization of research and teaching. W. M. Hays, 

 Andrew Boss, A. D. Wilson, and Thomas P. Cooper. Bulletin 236. Pp. 

 96, pis. 5, figs. 57. 



Cost a?id methods of clearing land in western Washington. Harry Thompson. 

 Bulletin 239. Pp. 60, figs. 25. 



The diseases of ginseng and their control. H. H. Whetzel and J. Rosenbaum. 

 Bulletin 250. Pp. 44, pis. 12, figs. 5. 



The use of artificial heat in curing cigar-leaf tobacco. W. W. Garner. Bul- 

 letin 241. Pp. 25, figs. 4. 



Results of boys' demonstration work in corn clubs in 1911. Bradford Knapp 

 and O. B. Martin. Document 741. Pp. 7, figs. 2. 



Selection of cotton and corn seed on southern farms. Bradford Knapp. Doc- 

 ument 747. Pp. 8, figs. 4. 



Emergency crops for overflowed lands in the Mississippi Valley. Bradford 

 Knapp. Document 756. Pp. 8. 



The corn crop in the Southern States. Bradford Knapp. Document 730. 

 Pp. 12, figs. 2. 



The agricultural possibilities of the Canal Zone. Part I, Reconnoissance soil 

 survey. Hugh H. Bennett. Part II, The outlook for agriculture. Wil- 

 liam A. Taylor. Report 95, Office of the Secretary. Pp. 49, pis. 12, fig. 1. 

 The adulteration and misbranding of the seeds of red clover, Kentucky bluegrass, 

 orchard grass, and hairy vetch. B. T. Galloway. Circular 39, Office of 

 the Secretary. Pp. 7. 



The control of cotton wilt and root-knot. W. A. Orton and W. W. Gilbert. 

 Circular 92. Pp. 19, figs. 12. 



The danger of using foreign potatoes for seed. William Stuart and W. A. 

 Orton. Circular 93. Pp. 5. 



The seed-corn situation. C. P. Hartley. Circular 95. Pp. 13, figs. 2. 

 Title Page and Contents, Bulletins of the Bureau of Plant Industry Nos. 

 218 to 226, Inclusive, 1911-1912, Volume XXIX. Pp. 16. 

 Title Page and Contents, Bulletins of the Bureau of Plant Industry Nos. 

 227 to 230, Inclusive, 1911-1912, Volume XXX. Pp. 9. 



Title Page and Contents, Bulletins of the Bureau of Plant Industry Nos. 231 

 to 240, Inclusive, 1912, Volume XXXI. Pp. 15. 



The history and cause of the coconut bud-rot. John R. Johnston. Bulletin 

 228. Pp. 175, pis. 14, figs. 10. 



The structure and development of crown gall: A plant cancer. Erwin F. Smith, 

 Nellie A. Brown and Lucia McCulloch. Bulletin 255. Pp. 60, pis. 109, 

 figs. 2. 



The nematode gallworm on potatoes and other crop plants in Nevada. C. S. 

 Scofield. Circular 91. Pp. 15, figs. 21. 



The measurement of the oxidase content of plant juices. Herbert H. Bunzel. 

 Bulletin 238. Pp. 40, pis. 2, figs. 9. 



