88 



BULLETIN No. 21. Report of a Trip to Australia, made under the 

 Direction of the Entomologist, to Investigate the Natural Enemies 

 of the Fluted Scale. By Albert Koebele. (1890.) [pp. 32.] 



BULLETIN No. 22. Reports of Observations and Experiments in the 

 Practical Work of the Division. (1890.) [pp. 110.] 



BULLETIN No. 23. Reports of Observations and Experiments in the 

 Practical Work of the Division. (1891.) [pp. 83.] 



BULLETIN No. 24. The Boll Worm of Cotton. A report of progress 

 in a supplementary investigation of this insect. By F. W. Mally. 

 (1891.) [pp. 50.] 



BULLETIN 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. (1891.) [pp. 62, plates 12.] 



BULLETIN No. 26. Reports of Observations and Experiments in the 

 Practical Work of the Division. (1892.) [pp. 95.] 



BULLETIN No. 27. Reports on the Damage by Destructive Locusts 

 during the Season of 1891. (1892.) [pp. 64.] 



BULLETIN No. 28. The More Destructive Locusts of America, 

 North of Mexico. By Lawrence Bruner. (1893.) [pp.40.] 



BULLETIN No. 29. Report on the Boll Worm of Cotton. By F. W. 

 Mally. (1893.) [pp. 73.] 



BULLETIN No. 30. Reports of Observations and Experiments in the 

 Practical Work of the Division. (1893.) [pp. 67.] 



BULLETIN No. 31. Catalogue of the Exhibit of Economic Entomol- 

 ogy at the World's Columbian Exposition. (1893.) [pp. 121.] 



BULLETIN No. 32. Reports of Observations and Experiments in the 

 Practical Work of the Division. (1894.) [pp. 59.] 



BULLETIN No. 33. Legislation against Injurious Insects; a compila- 

 tion of the laws and regulations in the United States and British 

 Columbia. By L. O. Howard. (1893.) [pp. 46.] 



BULLETIN No. 1, NEW SERIES. The Honey Bee: A manual of in- 

 struction in Apiculture. By Frank Benton. (1896.) [pp. 118, 

 pla. 11.] 



BULLETIN No. 2, NEW SERIES. Proceedings of the Seventh Annual 

 Meeting of the Association of Economic Entomologists. (1895.) 

 [pp. 100.] 



lii LLETIN No. 3, NEW SERIES. The San Jose Scale: Its occurrence 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. (1896.) [pp. 80, plate 1.] 



