( xxvii ) 



U. S. Dept. Aguicultuke (Division of Entomologv). 



Bulletin No. 20. Proceedings of the Eleventh Animal Meeting of 

 the Association of Economic Entomologists (l!?9!)). 



No. 21. Preliminary Report on the Insert Enemies of 

 Forests iu the North-West. By A. D. Hopkins. 



No. 22. Some Miscellaneous Results of the work of the 

 Division of Entomology (IV). By L. O. Howard 



(1900). 



No. 24. A List of Works ou N. American Entomology. 

 By N. Banks (1900). 



No. 25. Notes on the Mosquitos of the United States 

 By L. O. Howard (1900). 



No. 26. Proceedings of the Twelfth Annual Meeting of the 

 Association of Economic Entomologists (1900j. 



Technical Series. No. 8. Contributions towards a Monograph of tlie 

 American Aleurodidw. By A. L. Quaintance (1900). 



The Red Spiders of the United States. By N. Banks 

 (1900). 



Farmer's Bulletins. No. 120. The principal Insects aflfecting the 

 Tobacco Plant. By L. O. Howard (1900). 



WiLLiSTON (S. W.). [See GoDM.\N (F. D.). Biologia Centrali- Americana.] 

 WuLP (F. M. van der). [See Godman (F. D.). Biologia Centrali-Ainericana.] 



