161 
Snow, F. H.—The Chinch-bug, Blissus leucopterus, Say. (Sixth 
Biennial Rep. Kan. State Bd. Agr., 1887-88, p. 205.) 
Discussion of germ-theory of disease and its applications, with 
note of Prof. Forbes’s investigations of the contagious diseases of 
insects, especially of the chinch-bug. Thinks the sudden and 
complete disappearance of this insect in large parts of Kansas in 
May, 1888, was due to bacterial disease. Mentions attempt by 
Dr. Lugger to convey fungous disease of chinch-bug from fields 
in Kansas to fields in Minnesota by the transportation and dis¬ 
tribution of diseased bugs. Disease spread rapidly, but may have 
occurred spontaneously. Believes that the artificial introduction 
of bacterial and fungoid diseases will be a valuable ally in the 
warfare against insects. 
1890. 
Bruner, Lawrence. —Report on Nebraska Insects. (Bull. 22, 
U. S. Dept. Agr., Div. Ent., p. 95.) 
Mentions (p. 104) prevalence of a disease among grasshoppers 
(chiefly Melanopus differentialis) in summer of 1889 in and 
around Lincoln, Nebraska, which nearly exterminated these in¬ 
sects. Appends Prof. Bessey’s description of the fungus causing 
it— Eniomophihora calopteni, considered by Prof. Thaxter as 
identical with Entomophthora grylli. 
Cook, A. J.—Foul Brood. (Bull. Mich. Agr. Exper. Station, 
No. 61. ) 
Popular account of fungoid diseases in general and of the species 
(.Bacillus alvei) causing foul-brood; symptoms of the disease 
described, and preventive and remedial measures considered. A 
“nameless bee disease,” probably due to Bacillus gaytoni , is also 
characterized and a remedy given. 
Cushman, S.—Foul Brood. (Bull. R. I. Agr. Exper. Station, No. 
9, p. 111.) 
Not seen. The following abstract is taken from the “Experi¬ 
ment Station Record” (U. S. Department of Agriculture), Yol. 2, 
No. 11, June, 1891, p. 662: “An account of the bacterium (Bacil¬ 
lus alvei) causing foul-brood, the symptoms of the disease, the 
remedies which may be employed to destroy the germs, and the 
methods of repressive and preventive treatment. Particular refer¬ 
ence is made to successful experiments by Messrs. Sproule and 
Webster with formic acid.” 
Forbes, S. A.—General Record for 1887 and 1888. (Sixteenth 
Rep. State Ent. Ill., p. IX.) 
Reports continued prevalence of flacherie of European cabbage 
worm during the years 1887 and 1888. 
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