14 PUBLICATIONS OF BUREAU OF ENTOMOLOGY. 
No. 81. A list of works on North American entomology. Compiled for the use of 
students and other workers as well as for those about to begin the collection and 
study of insects. By Nathan Banks. pp. 120. Issued January 17, 1910. Price 
15 cents. Postage 4 cents. 
No. 82, Part I. Some insects injurious to truck crops. The Colorado potato beetle 
[Leptinotarsa decemlineata Say] in Virginia in 1908. By C. H. Popenoe. [In coop- 
eration with the Virginia Truck Experiment Station.] pp. iv+1-8, pls. I-II. 
Issued July 28, 1909. Price 5 cents. Postage 1 cent. 
No. 82, Part II. Some insects injurious to truck crops. The parsnip leaf-miner 
[Acidia fratria Loew]. The parsley stalk weevil [Listronotus latiusculus Boh.]. The 
celery caterpillar [Papilio polyxenes Fab.]. By F.H. Chittenden. pp. iv+9-24, 
figs. 1-6. Issued November 30, 1909. Price 5 cents. Postage | cent. 
No. 82, Part IJ. Some insects injurious to truck crops. The Lima-bean pod-borer 
[Etiella zinckenella Treit.]. The yellow-necked flea-beetle [Disonycha mellicollis 
Say]. By F. H. Chittenden. pp. iv+25-32, fig. 7. Issued Deceniber 28, 1909. 
Price 5 cents. Postage 2 cents. 
No. 83, Part I. Practical information on the scolytid beetles of North American for- 
ests. I. Barkbeetles of the genus Dendroctonus. By A. D. Hopkins. pp. xvi+ 
1-169, figs. 1-102, pls. I-II. Issued October 11, 1909. Price 25 cents. Postage 
7 cents. 
No. 84. Fumigation of apples for the San Jose scale [Aspidiotus perniciosus Comst.]. 
By A. L. Quaintance. pp. 43, figs. 3, pls. 2 (col.). Issued September 30, 1909. 
Price 20 cents. Postage 3 cents. 
No. 85, Part I. Papers on cereal and forage insects. The lesser clover-leaf weevil 
[Phytonomus nigrirostris Fab.]. By F.M. Webster. pp. iv+1-12, figs.1-8. Issued 
November 18, 1909. Price 5 cents. Postage 1 cent. 
No. 85, Part II. Papers on cereal and forage insects. The slender seed-corn ground- 
beetle [Clivina impressifrons Lec.]. ‘By W. J. Phillips. pp. iv-+13-28, figs. 8-13. 
Issued November 30, 1909. Price 5 cents. Postage 2 cents. 
CIRCULARS, FIRST SERIES. 
[Nore.—The number published in this series exceeded 40, nearly all being circular 
letters, of which Nos. 1, 18, and 22 are the only ones known to exist.] 
No. 1. [Relating to silk-worm eggs.| n.d. (Cire.) Out of print. 
No. 18. [Establishment of the branch of economic ornithology.| July 1, 1885. (Cire.) 
Out of print. 
No. 22. [Beeculture.] July 28,1885. (Circ.) Out of print. 
CIRCULARS, SECOND SERIES. 
No. 1. Condensed information concerning some of the more important insecticides. 
pp. 7. May, 1891. Out of print. 
No. 2. The hop plant-louse [Phorodon hwmuli Schr.] and the remedies to be used 
againstit. pp. 7, figs.5,pl.1. June, 1891. 
No. 3. Animportant enemy to fruit trees. The San Jose scale [Aspidiotus perniciosus 
Comst.]: Its appearance in the eastern United States; measures to be taken to 
prevent its spread and to destroy it. By L. O. Howard. pp. 10, figs. 5. April 4, 
1893. Out of print. 
No. 4. The army worm (Leucania unipuncta Haw.). By L. O. Howard. pp. 5, figs. 
3. June 16, 1894. Out of print. 
No. 5. The carpet beetle or ‘‘buffalo moth” (Anthrenus scrophularix L.). By L. O. 
Howard. pp. 4, fig. 1. September 8, 1894. Out of print. 
[Cir.{76] 
