158 THE EVOLUTION OF OUR NATIVE FRUITS 



Roberts, Edward P. A Manual, containing Directions for Sow- 

 ing, Transplanting and Raising the Mulberry Tree; together 

 with proper Instructions for Propagating the Same by Cut: 

 Layers, &e., &c. As also, Instructions for the Culture of 

 Silk: to which is added, Calculations Shewing the Produce and 

 probable Expense of Cultivating of from one to ten Acres, as 

 tested by actual Results. Third edition, with improvements 

 and additions. Baltimore: Samuel Sands. 1838. Pp. 100. 



Rush, Richard, Compiler. Growth and Manufacture of Silk, 

 adapted to the different parts of the Union. February 7, 1828, 

 Referred to the Committee on Agriculture. Doc. No. 158, Bo. 

 of Reps., 20th Congress, 1st session. Washington: 1828. 

 Illustr. Pp. 220. 



Silk Question Settled, The. The Testimony of One Hundred 

 and Fifty Witnesses. Report of the Proceedings of the National 

 Convention of Silk Growers and Silk Manufacturers, held in 

 New York, Oct. 13th and 14th, 1843. Published under direction 

 of the American Institute. Second edition, with addil 

 Boston: Printed by T. R. Marvin. 1844. Pp.80. 



Vernon, William II. A Methodical Treatise on the Cultivation 

 of the Mulberry Tree, on the Raising of Silk Worms, and on 

 Winding the Silk from the Cocoons. United to an accurate 

 description of the Winding Mill. With plates. Abridged from 

 the French of M. 1 >e la Brousse: with Notes and an Appendix. 

 Boston: Hilliard, Gray & Co. Copyr. 1828. 1828. Illustr. 

 Pp. 174. 



Whitmarsh, Samuel. Eighl Years' Experience and observation 

 in the Culture of the Mulberry Tree, and in the < ( the 



Silk Worm. With remarks adapted to the American system of 

 producing raw -ilk for exportation. Northampton: J. H. 

 Butler. Copyr. 1839. 1839. Illustr. Pp. 156. 



.1/* Account <>f tlie Mulberries 



There is dcw practicailj no effort to grow silk in 

 North America upon a commercial scale. The restric- 

 tions of climate, the greater certainty of many other 



