BULLETIN 39, UNITED STATES NATIONAL MUSEUM. [144] 



*Ko. 17. — The Chincli Bug: A general Summary of its History, Habits, 

 Enemies, and of the Eemedies and Preventives to be used against 

 it. By L. O. Howard M. S., Assistant Entomologist. (1888.) [pp. 

 48, figs. 10.] 



*No. 18. — The Life and Entomological Work of the late Townend 

 Glover, first Entomologist of the United States Department of 

 Agriculture. Prepared under the Direction of the Entomologist, 

 by 0. R. Dodge. (1888.) [pp. 68, figs. 6, plates I.] 



1^0. 19, — An enumeration of the iDublished Synopses, Catalogues, and 

 Lists of Korth American Insects ; together with other information 

 intended to assist the student of American Entomology. (1888.) 

 [pp. 77.] 



*Isro. 20. — The Eoot Knot Disease of the Peach, Orange, and other Plants 

 in Florida, due to the Work of Anguillula. Prepared under the 

 Direction of the Entomologist, by J. C. Neal, Ph. D., M. D. (1889.) 

 [pp. 31, plates 21.] 



*Ko. 21. — Eeport 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, figs. 16.] 



No. 22. — Eeports of the Observations and Experiments in the practical 

 Work of the Division, made under the Direction of the Entomolo- 

 gist. (1890.) [pp. 110.] 



No. 23. — Eeports of Observations and Experiments in the practical 

 Work of the Division, made under the Direction of the Entomolo- 

 gist. (1891.) [pp. 83.] 



3N^o. 24. — The Boll Worm. Preliminary Eeport, made under the Direc- 

 tion of the Entomologist. By F. W. Mally. (1891.) [pp. 50.] 



No. 25. — Destructive Locusts. A xjopular 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. Eiley, 

 Ph. D. (1891.) [pp. 62, figs. 11, plates 12.] 



tNo. 26. — Eeports of Observations and Experiments in the practical 

 Work of the Division, made under the Direction of the Entomolo- 

 gist. (1892.) 



tNo. 27. — Eeports on the Damage by destructive Locusts during the 

 season of 1891, made under the Direction of the Entomologist. 

 (1892.) [pp. 64.] 



tNo. 28. — The more destructive Locusts of America, north of Mexico, 

 by Lawrence Bruner, prepared under Direction of the Entomolo- 

 gist. (1892.) 



SPECIAL REPORTS AND BULLETINS. 



* Eeport on Cotton Insects. — By J. Henry Comstock. (1879.) [pp. 

 511, figs. 77, plates III.] 



* Out of print. 



t Bulletins 26 amd 27 are in press, and Bulletin 28 is in course of preparation. 



