BULLETINS, NEW SERIES. fi 
No. 6. Proceedings of the eighth annual meeting of the Association of Economic 
Entomologists. pp. 100, figs. 5. 1896. Out of print. 
No. 7. Some miscellaneous results of the work of the Division of Entomology. 
Prepared under the direction of L. O. Howard, Entomologist. pp. 87, figs. 44. 
1897. Price 10 cents. Postage 3 cents. 
No. 8. Some little-known insects affecting stored vegetable products: a collec- 
tion of articles detailing certain original observations made upon insects of 
this class. By F. H. Chittenden. pp. 45, figs. 10. 1897. Out of print. 
No. 9. Proceedings of the ninth annual meeting of the Association of Economic 
Entomologists. pp. 87, figs. 2. 1897. Price 10 cents. Postage 4 cents. 
No. 10. Some miscellaneous results of the work of the Division of Entomology. 
Prepared under the direction of L. O. Howard, Entomologist. pp. 99, figs. 19. 
1898. Price 10 cents. Postage 4 cents. 
No. 11. The gipsy moth in America: a summary account of the introduction and 
spread of Porthetria dispar in Massachusetts and of the efforts made by the 
State to repress and exterminate it. By L. O. Howard. pp. 39, figs. 8. 1897. 
Price 5 cents. Postage 2 cents. 
No. 12. The San Jose scale [Aspidiotus perniciosus Comst.] in 1896-1897. By 
L. O. Howard. pp. 31, fig. 1. 1898. Price 5 cents. Postage 2 cents. 
No. 18. Recent laws against injurious insects in North America, together with 
the laws relating to foul brood. Compiled by L. O. Howard. pp. 68. 1898. 
Price 5 cents. Postage 3 cents. 
No. 14. The periodical Cicada: an account of Cicada septendecim, its natural 
enemies, and the means of preventing its injury, together with a summary of 
the distribution of the different broods. By C. L. Marlatt. pp. 148, figs. 57, 
pls. 8. 1898. Price 15 cents. Postage 6 cents. 
No, 15. The chinch bug [Blissus lewcopterus Say]; its probable origin and diffu- 
sion, its habits and development, natural checks and remedial and preventive 
measures, with mention of the habits of an allied European species. By 
F. M. Webster. pp. 82, figs. 19. 1898. Price 10 cents. Postage 3 cents. 
No. 16. The Hessian fly [Mayetiola (Cecidomyia) destructor Say] in the United 
States. By Herbert Osborn. pp. 57, figs. 8, pls. 2, map 1. 1898. Price 10 
cents. Postage 3 cents. 
No. 17. Proceedings of the tenth annual meeting of the Association of Eeonomic 
Entomologists. pp. 104, figs. 4. 1898. Price 10 cents. Postage 4 cents. 
No. 18. Some miscellaneous results of the work of the Division of Entomology. 
III. Prepared under the direction of L. O. Howard, Entomologist. pp. 101, 
figs. 17. 1898. Price 10 cents. Postage 4 cents. 
No. 19. Some insects injurious to garden and orchard crops. <A series of articles 
dealing with insects of this class, By F. H. Chittenden. pp. 99, figs. 20 
1899. Out of print. 
No. 20. Proceedings of the eleventh annual meeting of the Association of Eco- 
nomic Entomologists. pp. 111, figs. 4. 1899. Price 10 cents. Postage 4 
cents. 
No. 21. Preliminary report on the insect enemies of forests in the Northwest. 
An account of the results gained from a reconnaissance trip made in the 
spring and early summer of 1899. By A. D. Hopkins. pp. 27. 1899. Out 
of print. 
No. 22. Some miscellaneous results of the work of the Division of Entomology. 
IV. Prepared under the direction of L. O. Howard, Entomologist. pp. 109, 
figs. 28. 1900. Price 10 cents. Postage 4 cents. 
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