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91 
759. Forbes, S. A. On the present state of our knowledge concern¬ 
ing contagious insect diseases. <Psycke, January-February, 
1888, v. 5, pp. 3-12. 
Summary of existing knowledge concerning the chief forms of contagious 
insect disease; analysis of various contributions with references to the 
literature. 
7C0. Forbes, S. A. [Wireworins in grass and corn.] <Farmers’ Re¬ 
view, 18 April, 1886. 
Life history, injuries, and measures of prevention and remedy. 
761. Forbes, S. A. A new parasite of the Hessian iiy. <Psyche, 
April, 1888, v. 5, pp. 39-40, 1 fig. 
Relates to Platygaster hiemalis. 
762. Forbes, S. A. The ash-tree borer. <Farmers’ Review, 30 May, 
1888. 
Answer to a Kansas correspondent. Does not know that this insect has 
been previously reported from the West. Quotes Harris’s remarks con¬ 
cerning it, and suggests treatment. 
763. Forsley, C. G. On the Cicada septendecim 1835 in Louisiana. 
<Proc. Bost. Soc. Nat. Hist., 1846, v. 2, p. 162. 
Habits and habitat of Cicada [= Tibicen] septendecim. 
764. Forsley, C. G. Cotton worms— Noctua gossypii. <New Orleans 
Commercial Times, 22 September, 1846. 
Habits and ravages of Noctua gossypii [—Aletia xylina.'] 
765. Foster, S. Remedy for the cankerworm. <Amer. Ent. and 
Bot., June, 1870, v. 2, p. 239. 
Substitution of sorghum for tar for banding against cankerworms. 
766. F[oster], S[uel]. Crop and market reports, Muscatine, Iowa, 
May 25 [1880]. <Cultivator and Country Gentl., 3 June, 1880, 
v. 45, p. 357. 
Means against cankerworms. 
767. Fowler, Samuel P. Destruction of insects injurious to vegeta¬ 
tion. <4th Ann. Rept. Seer. Mass. Board Agric. for 1856, 
1857, pp. 438-451. 
Usefulness of birds, reptiles, and Coccinellidae; habits of and means against 
Anisopteryx [=Paleacrita ] vernata, Hyp ban tria textor [=cMwea], Chcetochilus 
pometellus, Saperda bivittata [ =candida ], Aphis mali; Conotrachelus nenuphar 
and Carpocapsa pomonella. 
768. Fox, S. H. London purple. <Amer. Ent., October, 1880, v. 3, 
n. s. v. 1, p. 252. 
Comparative effectiveness of London purple and Paris green. 
769. Francis, Lucius C. Curculio remedies. <Amer. Ent., April, 
1869, v. 1, p. 160. 
Means against Conotrachelus nenuphar. 
770. Francis, L. C. Stinking out the Curculio. <Amer. Ent., June 
1869, v. 1, p. 202. 
Bad smelling substances not necessarily repellent to insects. 
