BIBLIOGRAPHY 4!> 
(2) Bacon, W. D. Season of 1816. <Memoira Phil. Boc. Prom. A-.. 1818, vol. 1. 
p. 219. 
Discusses means against Cecidomyia destruei 
(3) Bayfohd, E. Gr. The Hessian fly previously in Great Britain. ^Entomologist, 
Dec, 1887, vol. 20, p. 327. 
Quotes a notice of.the Hessian fly by E. Newman dated Feb. 1876. (G. D. Psyche.) 
(4) Bergen, Garret. Remarks od the Hessian tly. ^Cultivator, vol. viii, p. 133. 
Albany. Ang. 1841. 
Habits Hi Cecidomyia destructor. 
(5) Bethune, C. J.S. The Hessian fly. <Ann. Kept. Ent. Soc. Ontario for 1877, 
pp. 56-50. fig. 50. 
General discussion of Cecidomyia destructor. 
(6) Birnie, C. On the efficacy of certain steps to preserve the wheat from the fly 
and smut t; Hessian fly). <Ne.w England Farmer, vol. iii. p. 171. 1824. 
(7) Bosc. d'Antic. L. A. G. Quelques appercues sur l'insecte conuu sous le nom de 
Mouche Hessoire, et sur un iDseete parasite qui s'en nourrit. <Annales de 
l'Agriculture de France, Tom. 70. 1817. pp. 277-303. 
(8) Bruner, L. The insect enemies of small grains. < Ann. Kept. Nebr. State Board 
of Agrl., 1803, pp. 301-466, 111 figs. 
Includes notice of many grain pests, among them Cecidomyia destructor. 
(9) Chapman. I. Some observations on the Hessian fly. written in the year L797. 
<Mem. Phil. Soc Promot. Agile.. 1826, vol. 5. pp. 143-153. 
Historical account of the Hessian fly in Backs County, Pa., from 178G to 1790; descrip- 
tion of all stages; its natural history and means against it. 
(10) Clark, Thomas. [Article on Hessian fly.] ^Pennsylvania Mercury. Septem- 
ber 14. 1897. 
(11) Coaxes. B. H. Dipterous insects ovipositing in or on grains of wheat. <^Proc. 
Acad. Xat. Sci., Philadelphia. July. 1841, vol. l,p 
Characters of Cecidomyia destructor. 
(12) Coates, B. H. Remarks on the present state of the evidence in regard to tin- 
larva of the Hessian fly. ^Philadelphia : E. G. Do'rsey. August. 1841, p. 17. 
(13) Coates. B. II. Hessian fly. Discovery believed to have been made in relation 
to the fly. ^Farmers' Cabinet. 1841, vol. 5, pp. 201-205. 
Account of Mi.-s Morris's observations. 
(14) Coates, B. II. Cecidomyia. < Farmers' Cabinet. 1841, vol. 5, pp. 263, 264. 
Notes on Cecidomyia destructor. 
(15) Cohn, Feed. Uhtersuchnngen ueber Insectenschaden anf dec schlesichen 
Getreidefeldern im Sommer 1869. 
Translation Third Kepi. U.S. Ent. Com., Appendix III, p. 39. 
(16) Cook, A. J. The Hessian tly. \. t. p. 1878, 8 vo, 14 pp., figs. 1-0. 
Natural history and i cidomyia di oiedies and paxasi 
(17) Cooper, Joseph. Letter from Mr. Joseph Cooper to William Rnssell esq., on 
the Hessian fly and the early white wheat. < Papers on Agile.. M 98 S 
for Promot. Agric, L799, pp. 26-28. 
LOccnrrences of Cecidomyia destructor at Cooper's Point, N. J., in 1788 a late 
ug as a means againsl I 
(18) Cocke, John II. Address by, to Alberinarle Agricultural Society of Virginia, 
1817. 
(19) Curtis, John. Observations on the natural history and economy of certain 
insects affecting the corn crops, including a saw By, the Hessian flj the 
wheat midge, and the barley midge. Jour. Roj ofEng.,1845, 
vol. 6, pp. 131-156, pi. Separately printed, London. 1845, N w>. p, 28, pi. 1. 
(20) Curtis, John. Farm insects. < London, I860, p.2 
Includes account of the Hessian tly. 
«;i)S(;_y ( ). 16 4 
