6 PUBLICATIONS OF BUREAU OF ENTOMOLOGY. 
No. 24. The boll worm 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. Price 5 cents. Postage 2 cents. 
No. 25. Destructive locusts. A popular consideration of a few of the more inju- 
rious locusts (or ‘“ grasshoppers’) of the United States, together with the 
best means of destroying them. By ©. 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 
Division, 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 Law- 
rence Bruner. pp. 40, figs. 21. 18938. Out of print. 
No. 29. Report on the boll worm of cotton [/Heliothis obsoleta Fab. (1. armiger 
Htibn.)]. By F. W. Mally. pp. 73, pls. 2. 1898. Price 5 cents. Postage 3 
cents. 
No. 30. Reports of observations and experiments in the practical work of the 
Division, 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 Colum- 
bian Exposition, Chicago, Ill., 1893, made under the direction of the Ento- 
mologist. pp. 121. 1893. Price 10 cents. Postage 4 cents. 
No. 32. Reports of observations and experiments in the practical work of the 
Division, 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 
regulations 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 Ben- 
ton. pp. 118, figs. 76, pls. 11. 1896. Out of print. 
Same, revised edition. pp. 118, pls. 12. 1896. Out of print. 
Same, third edition. pp. 118, pls. 12. 1899. Price 15 cents. Postage 5 cents. 
Same, 54th Cong., 1st sess., H. Doc. 359, serial No. 3485. 
No. 2. Proceedings of the seventh annual meeting of the Association of Economic 
Entomologists. pp. 100, fig. 1. 1895. Out of print. 
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 against it. By L. O. Howard and C. L. Marlatt. pp. 80, figs. 8. 
1896. Price 10 cents. Postage 3 cents. 
No. 4. The principal household insects of the United States. By L. O. Howard 
and C. L. Marlatt. With a chapter on insects affecting dry vegetable foods. 
By F. H. Chittenden. pp. 130, figs. 64. 1896. Out of print. 
Same, revised edition. pp. 131, figs. 64. 1902 [1899]. Price 10 cents. Postage 
5 cents. ; 
No. 5. Insects affecting domestic animals: an account of the species of impor- 
tance in North America, with mention of related forms occurring on other 
animals. By Herbert Osborn. pp. 302, figs. 170, pls. 5. 1896. Price 20 cents. 
Postage 10 cents. 
[Cir. 76] 
