73 
Division of Entomology , Bulletin No. 1. — Reports of Experiments, chiefly 
with Kerosene, upon the Insects injuriously affecting the Orange 
Tree and the Cotton Plant, made under the Direction of the Ento- 
mologist. (1883.) [pp. 62.] 
Division of Entomology , Bulletin No. 2. — Reports of Observations on 
the Rocky Mountain Locust and Chinch Bug, together with Ex- 
tracts from the Correspondence of the Division on Miscellaneous 
Insects. (1883.) [pp. 36.] 
Division of Entomology, Bulletin No. 3. — Reports of Observations and 
Experiments in the practical Work of the Division, made under the 
Direction of the Entomologist. With plates. (1883.) [pp. 75, plates 
in.] 
Division of Entomology , Bulletin No. 4. — Reports of Observations and 
Experiments in the practical Work of the Division, made under the 
Direction of the Entomologist, together with Extracts from Cor- 
respondence on miscellaneous Insects. (1884.) [pp. 102, figs. 4.] 
Bureau of Entomology, Bulletin No. 5. — Descriptions of North American 
Chalcididse from the Collections of the U. S. Department of Ag- 
riculture and of Dr. C. Y. Riley, with biological Notes. [First 
paper.] Together with a List of the described North American Spe- 
cies of the Family. By L. O. Howard, M. Sc., Assistant, Bureau 
of Entomology. (1885.) [pp. 47.] 
Division of Entomology, Bulletin No. 6. — The imported Elm-leaf Beetle. 
Its Habits and Natural History, and Means of counteracting its In- 
juries. (1885). [pp. 18, figs. 1, plates I.] 
Division of Entomology, Bulletin No. 8. — The Periodical Cicada. An 
Account of Cicada septendecim and its tredicim Race, with a Chro- 
nology of all of the broods known. By Charles Y. Riley, Ph. D. 
(1885.) [pp. 46, figs. 8.] 
Division of Entomology, Bulletin No. 9. — The Mulberry Silk-worm; be- 
ing a Manual of Instructions in Silk-culture. By Charles Y. Riley, 
M. A., Ph. D. (1886.) [pp. 65, figs. 29, plates II.] 
Division of Entomology , Bulletin No. 10.— Our Shade Trees and their In- 
sect Defoliators. Being a Consideration of the four most injurious 
Species which affect the Trees of the Capital ; with Means of destroy- 
ing them. By Charles Y. Riley, Entomologist. (1887.) [pp. 75, 
figs. 27.] 
Division of Entomology, Bulletin No. 1L — Reports of Experiments with 
various Insecticide Substances, chiefly upon Insects affecting garden 
Crops, made under the Direction of the Entomologist. (1886.) 
[pp. 34.] 
