142 DKPAKTMENTAL RKPOHTrf. 



Copies. 



Proceedings of the Fifteenth Annual Convention of the Association of 

 Official Agricnltural Chemists, held at Washington, D. C. . November 

 11, 12, and 14, 1898. Edited by Harvey W. Wiley, Secretary of the 

 Association. Pp. 140. Bulletin No. 56. (Reprint.) October, 1899. 

 Price, 10 cents . ... . .. 1,000 



The Sugar Beet: Culture. Seed Development, j\lanufacture, and Statis- 

 tics. By H. W. Wiley, Chief of the Division of Chemistry and formerly 

 Director of the Department Sugar Beet Experiment Station in Nebraska. 

 Pp. 48, tigs. 24. Farmers' Bulletin No. 52. Revised edition. (Reprint.) 



November, 1899 25,000 



Reprint, April. 1900 20.000 



Proceedings of the Sixteenth Annual Convention of the Association of 

 Ofificial Agricultural Chemists, held at San Francisco, Cal., July 5. 6, 

 and 7. 1899. Edited by Harvey W. Wiley, Secretarv of the Association. 

 Pp. i;JO. Bulletin No.' 57. January. 1900. Price, 10 cents 1. 000 



Report of the Chemist for 1899. By H. W. Wiley. Pp. iii, 25-42, from 

 the Report of the Secretary of Agriculture for 1899. January, 1900 300 



DIVISION OF ENTOMOLOGY. 



The Honey Bee: A Manual of Instruction in Apiculture. By Frank Ben- 

 ton, M. S., Assistant Entomologist. Pp. 118, pis. 11, figs. TO. Bulletin 

 No. 1, new series, third edition. (Reprint.) July. 1899. Price. 15 cents. 1.000 



Insects .Affecting Domestic Animals: An Account of the Species of. Impor- 

 tance in North America, With Mention of Related Forms Occurring on 

 Other Animals. Prepared under the Direction of the Entomologist, by 

 Herl)ert Osborn, Professor of Zoology and Entomology. Iowa Agricul- 

 tural College. Ames, Iowa. Pp. :^02, pis. 5, figs. 170. Bulletin No. 5, 

 new series. (Reprint.) August, 1899. Price. 20 cents . 1,000 



The Hop Plant Louse and the Remedies to be Used Against it. Pp. 7, 

 pi. 1, figs. 5. Circular No. 2, second series. (Reprint.) August, 1899 _ 2,000 



The Peach Twig-Borer: An Important Enemy of Stone Fruits. By C. L. 

 Marlatt, M. S.. First Assistant Entomologist. Pp. IG, figs. 5. Farm- 

 ers" Bulletin No. 80. (Reprint.) September. 1899. .. __ . _. 15,000 



Insect Enemies of the White Pine. By F. H. Chittenden. Division of 

 Entomologv. Pp. 55-()l, figs. 10, from Bulletin No. 22. Division of For- 

 estry. October, 1899 .500 



Proceedings of the Eleventh Annual Meeting of the Association of Eco- 

 nomic Entomologists. Pp. HI, figs. 4. Bulletin No. 20, new series. 

 November. 1899. Price. 10 cents .. . . ,._ 2.500 



The Principal Insect Enemies of the Grape. By C. L. Marlatt. M. S., 

 First Assistant Entomologist. (Reprinted from original plates from 

 the Yearbook of the United States Department of Agriculture for 

 1895.) Pp. 23, figs. 12. Farmers' Bulletin No. 70. (Reprint.) Novem- 

 ber, 1899 _-_ . 1(J. 000 



The Laisser-Faire Philosophy Applied to the Insect Problem. By C. L. 

 Marlatt. Presidential Address Delivered Before the Eleventh Annual 

 Meeting of the Association of Economic Entomologists, Columbus, 

 Ohio. August 18. 1899. Reprinted from Bulletin No. 20. new series. 

 Pp. 5-19. December, 1899 100 



Preliminary Re])ort on the Insect Enemies of Forests in the Northwest. 

 An Account of the Results (iainel from a Reconnoissance Trip made 

 in the Spring and Early Summer of 1^99. Prepared under the direction 

 of the Entomologist, by A. D. Hopkins, Ph. D., S^ce-Director and Ento- 

 mologist of West Virginia Agricultural Experiment Station. Pp. 27. 

 Bulletin No. 21, new series. December, bSi)"^!. Price, 5 cents .. 2. .500 



Report of the Entomologist for 1899. By L. O. Hovrard. Pp. iii, 25-42, 

 from Report of Secretary of Agriculture for 1899. January, 1900 . 300 



Bee Keeping. By Frank Benton, M. S.. Assistant Entomologist. Pp. 32, 

 figs. 19. Farmers' Bulletin No. 59. (Reprint.) February, 1900 30.000 



.Some Miscellaneous Results of tlie Work of the Division of Entomology — 

 IV. Prepared under the Direction of L. O. Howard, Entomologist. 

 Pp. 10l», figs. 28. Bulletin No. 32. new series. February. 1900. Price, 

 10 cents .. .... 4.000 



How to Distinguish the Different Mosquitoes of North America. By L. O. 

 Hciward. Entomologist. Pp. 7. figs. 3. Circular No. 40. second series. 

 March, 1900 2,000 



