164 CATALOGUE OF PUBLICATIONS EELATING TO FOKKSTKY. 



,' ^ 



United States Dept. of agriculture Forest service. White elm (Ulmus ameri 



cana) 3 p. 8. [Washington, n. d.] (/s Forest planting leaflet no. 13) Agr 7 492- 



3 p. 8. [Washington] 1907. (Its Circular 66. Forest planting leaflet 



Agr 7-492- 



United States Dept. of agriculture Forest service. White oak (Quercus alba 

 4 p. 8. [Washington] 1907. (Its Circular 106. Forest planting leaflet) Agr 7 168 



United States Dept. of agriculture Forest service. White pine (Pinus strobus 

 6 p. 8. [Washington, n. d.] (Its Notes on forest trees suitable for planting in th 

 United States) Agr 7494- 



- 5 p. 8. [Washington, n. d.] (Its Forest planting leaflet 14) 



Agr 7494- 



6 p. 8. [Washington] 1907. (Its Circular 67. Forest planting leaflet 



Agr 7 494- 



United States Dept. of agriculture Forest service. White willow (Salix alba 

 4 p. 8. [Washington, n. d.] (Its Notes on forest trees suitable for planting in th 

 United States) Agr 71466- 



- 4 p. 8. [Washington] 1907. (7fc? Circular 87. Forest planting leaflet 



Agr 71466- 



United States Dept. of agriculture Forest service. Yellow poplar (Liriodendroi 

 tulipifera) 4 p. 8. [Washington] 1907. (Its Circular 93. Forest planting leaflet 



Agr 7147 



Wade, Walter. Salices; or An essay towards a general history of sallows, willows 

 & osiers, their uses, and best methods of propagating and cultivating them. 406, 56 p 

 front. 8. Dublin, 1811. Agr 5-82 



"Abbreviations explained or authors referred to": p. [l}-7. 



Warburg, Otto. Die kautschukpflanzen und ihre kultur. 154 p. illus. 8 

 Berlin, 1900. 



Warburg, Otto. Les plantes a caoutchouc et leur culture; traduction complete 

 et annotee par J. Vilbouchevitch. 307 p. illus. 8. Paris, 1902. (Bibliothequ 

 d 'agriculture coloniale) 3117 



Ward, B. Report on a visit to Plantation Christianburg and the Manadabii 

 Creek, Upper Demerara River, in connection with rubber cultivation in the colony 

 4 p. f. [Georgetown, Demerara, 1907] 



Extract from "The Official gazette" of Wednesday, 23d January 1907. 



Board of agriculture notice. 



Warder, John Aston. An essay on timber planting in Ohio. 9 p. 8. Colum 

 bus, 1880. 



Warder, John Aston. Some trees for planting on the open prairies of norther] 

 Illinois and adjoining regions. 33 p. 8. North Bend, 1881. 

 From Transactions of the Illinois state horticultural society for . . . 1881. 



Waterhouse, Fred T. P. Rubber, its cultivation in Ceylon, Malaya and Java 

 Report of observations. 53 p. illus. 8. [Hawaii] 1908. Agr 9 11 



Caption title: Report on the cultivation of rubber in Ceylon and the Federated Malay States and Johore. 



Report made to the Board of agriculture and forestry of Hawaii and to the Hawaiian rubber growers 

 association. 



Wickham, H. A. On the plantation, cultivation, and curing of Para Indiai 

 rubber (Hevea brasiliensis) with an account of its introduction from the west to thi 

 eastern tropics. 78 p. illus., plates, map. 8. London, 1908. Agr 9 73 



Wirt, George H. Propagation of forest trees having commercial value am 

 adapted to Pennsylvania . . . published by the Pennsylvania Department of for 

 estry, 1902. 38 p. 8. [Harrisburg] 1902. 



