6 PUBLICATIONS OF BUREAU OF ENTOMOLOGY. 
No. 18. The life and entomological work of the late Townend Glover. By Charles 
Richards Dodge. pp. 68, figs. 5, pl. 1. 1888. Out of print. 
No. 19. An enumeration of the published synopses, catalogues, and lists of North 
American insects; together with other information intended to assist the student 
of American entomology. By E. A. Schwarz. pp.77. 1888. Out of print. 
No. 20. The root-knot disease of the peach, orange, and other plants in Florida, due 
to the work of Anguillula. By J.C. Neal. pp. 31, pls. 21. 1889. Out of print. 
No. 21. Report of a trip to Australia, made under the direction of the Entomologist, 
to investigate the natural enemies of the fluted scale [Icerya purchasi Mask.]. By 
Albert Koebele. pp. 32, figs. 16. 1890. Out of print. 
Same, revised edition. pp. 32, figs. 16. 1890. Out of print. 
No. 22. Reports of observations and experiments in the practical work of the Divi- 
sion, made under the direction of the Entomologist. pp. 110, figs. 2. 1890. Price 
10 cents. Postage 4 cents. 
No. 23. Reports of observations and experiments in the practical work of the Divi- 
sion, made under the direction of the Entomologist. pp. 83. 1891. Out of print. 
No. 24. The bollworm of cotton [Heliothis obsoleta Fab. (H. armigera Hiibn.)]. A 
report of progress in a supplementary investigation of this insect. By F. W. Mally. 
pp. 50, figs. 2. 1891. Out of print. 
No. 25. Destructive locusts. A popular consideration of a few of the more injurious 
locusts (or ‘‘grasshoppers’’) of the United States, together with the best means of 
destroying them. By C. V. Riley. pp. 62, figs. 11, pls. 12, map 1. 1891. Price 
15 cents. Postage 3 cents. 
No. 26. Reports of observations and experiments in the practical work of the Divi- 
sion, made under the direction of the Entomologist. pp. 95. 1892. Out of print. 
No. 27. Reports on the damage by destructive locusts during the season of 1891, 
made under the direction of the Entomologist. pp. 64. 1892. Out of print. 
No. 28. The more destructive locusts of America north of Mexico. By Lawrence 
Bruner. pp. 40, figs. 21. 1893. Out of print. 
No. 29. Report on the boll worm of cotton [Heliothis obsoleta Fab. (H. armiger 
Hiibn.)]|. By F. W. Mally. pp. 73, pls. 2. 1893. Price 5 cents. Postage 3 
cents. | 
No. 30. Reports of observations and experiments in the practical work of the Divi- 
sion, made under the direction of the Entomologist. pp. 67. 1893. Out of print, 
No. 31. Catalogue of the exhibit of economic entomology at the World’s Columbian 
Exposition, Chicago, Ill., 1893, made under the direction of the Entomologist. 
pp. 121. 1893. Price 10 cents. Postage 4 cents. 
No. 32. Reports of observations and experiments in the practical work of the Divi- 
sion, made under the direction of the Entomologist. pp. 59. 1894. Out of print. 
No. 33. Legislation against injurious insects; a compilation of the laws and regula- 
tions in the United States and British Columbia. By L. O. Howard. pp. 46. 
1895. Out of print. 
BULLETINS, NEW SERIES. 
No. 1. The honey bee: A manual of instruction in apiculture. By Frank Benton. 
pp. 118, figs. 76, pls. 11. 1896. Out of print. 
Same, revised edition. pp. 118, figs. 76, pls. 12. 1896. Out of print. 
Same, third edition. pp. 118, figs. 76, pls. 12. 1899. Price 15 cents. Postage 5 
cents. 
Same, 54th Cong., Ist sess., H. Doc. 359, serial No. 3435. 
No. 2. Proceedings of the seventh annual meeting of the Association of Economic 
Entomologists. pp. 100, fig. 1. 1895. Price 10 cents. Postage 4 cents. 
No. 3. The San Jose scale [Aspidiotus perniciosus Comst.]: Its occurrences in the 
United States, with a full account of its life history and the remedies to be used 
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