LIST OF CIRCULARS 1 TO 100. 5 
No. 57. The greenhouse white fly (Aleyrodes vaporariorum Westw.). By A.W. Morrill. 
pp. 9, fig. 1. February 15, 1905. 
No. 58. Report on the gypsy moth and the brown-tail moth, July, 1904. By C. L. 
Marlatt. pp. 12, pl.1, map1. March 21, 1905. 
No. 59. The corn root-worms. By F.H. Chittenden. pp. 8, figs.3. March 23, 1905. 
No. 60. The imported cabbage worm (Pontia rape Linn.). By F. H. Chittenden. 
pp. 8, figs. 6. April 28, 1905. 
No. 61. Black check in western hemlock. By H.E. Burke. pp. 10, figs.5. May 24, 
1905. 
No. 62. The cabbage hair-worm. By F. H. Chittenden. pp. 6, fig. 1. May 17, 
1905. 
Same, revised edition. pp. 6, fig. 1. Issued July 28, 1908. 
No. 63. Root-maggots and how to control them. By F.H. Chittenden. pp. 7, figs. 5. 
June 6, 1905. 
Same, second edition. pp. 7, figs.5. February 12, 1906. 
No. 64. The cottony maple scale (Pulvinaria innumerabilis Rathvon). By J. G. 
Sanders. pp. 6, figs. 4. September 7, 1905. 
No. 65. The cotton red spider ( Tetranychus gloveri Bks.). By E.S. G. Titus. pp. 5, 
figs. 2. October 30, 1905. 
No. 66. The joint-worm (Isosoma tritici Fitch). By F. M. Webster. pp. 5, figs. 5, 
October 20, 1905. 
Same, revised edition. pp. 7, figs. 6. Issued September 21, 1908. 
No. 67. The clover root-borer (Hylastinus obscurus Marsham). By F. M. Webster. 
pp. 5, figs. 4. December 28, 1905. 
No. 68. The tobacco thrips and remedies to prevent ‘‘white veins” in wrapper tobacco 
(Euthrips nicotiane Hinds). By W. A. Hooker. pp. 5, figs. 2. February 26, 1906. 
No. 69. Some insects affecting the production of red clover seed. By F. M. Webster. 
pp. 9, figs. 8. April 12, 1906. 
No. 70. The Hessian fly (Mayetiola [Cecidomyia] destructor Say). By F. M. Webster. 
pp. 16, figs. 16. April 14, 1906. 
No. 71. (Revision of Circular No. 35.) House flies (Musca domestica et al.). By L. O. 
Howard. pp. 9, figs. 9. March 27, 1906. . 
Same, revised edition. pp. 10, figs. 9. September 21, 1906. 
No. 72. Key to the known larve of the mosquitoes of the United States. By Harrison 
G. Dyar. pp. 6, fig. 1. April 27, 1906. 
No. 73. The plum curculio (Conotrachelus nenuphar Herbst). By Fred Johnson and 
A. A. Girault. pp. 10, figs. 5. April 14, 1906. 
No. 74. The periodical cicada in 1906. By C. L. Marlatt. pp. 5, figs. 3. April 16, 
1906. 
No. 75. Requirements to be complied with by nurserymen or others who make inter- 
state shipments of nursery stock. By A. F. Burgess. pp. 6. July 5, 1906. 
Same, revised edition. pp. 7. Issued July 24, 1908. 
Same, second revision. pp. 9. Issued August 7, 1909. 
No. 76. List of publications of the Bureau of Entomology. Compiled by Mabel Col- 
cord. pp.2l. September 24, 1906. 
Same, revised to March 1, 1908. pp. 28. 
Same, revised to May 1, 1909. pp. 29. 
Same, revised to February 1, 1910. pp. 32. 
No. 77. Harvest mites, or ‘‘chiggers.’” By F. H. Chittenden. pp. 6, figs. 3. Sep- 
tember 29, 1906. 
No. 78. The slender seed-corn ground-beetle (Clivina impressifrons Lec.). By F. M. 
Webster. pp. 5, figs. 2. October 4, 1906. 
No. 79. The brood diseases of bees. By E. F. Phillips. pp.5. October 3, 1906. 
