147 
1879. 
Comstock, J. H.—Report upon Cotton Insects, p. 217. 
Report of unsuccessful experiments with yeast applications to 
cotton-worms (Aletia), made to test Hagen’s proposed method of 
instituting fungous disease. 
Comstock, J. H.—[Entomological Note.] (Ann. Rep. Ent. Soc. 
Ont. for 1879, p. 22.) 
Unsuccessful experiments with yeast as an insecticide. 
Gerard, W. R.—The Sciprolegnia ferax . (Proc. Poughkeepsie 
Soc. Nat. Sci,, Dec., 1878, v. 4, p. 25.) 
Life history of Empusa muscce , on supposition of its connection 
with Sciprolegnia ferax as a terrestrial state. 
Hagen, H. A.—Obnoxious Pests: Suggestions relative to their 
Destruction. (Can. Ent., Jan., 1879, v, 11, p. 110; Ann. 
Rep. Ent. Soc. Ont. for 1879, p. 22; Extract, Fourth Rep. 
U. S. Ent. Commise., p. 188.) 
Summary of studies by Dr. Theodor Bail tending to show that 
Mucor, Saprolegnia, Saccharomvces, and Empusa are different forms 
of the same fungus species, and that insects may become infected 
with fungi if fed with beer mash. Use proposed against injurious 
insects generally. 
Hagen, H. A.—Les insectes nuisibles. (Nat. Can., 1879, v. 11, 
p. 150.) 
French translation of article in the “Canadian Entomologist” of 
this year, on yeast as an insecticide. 
Hagen, H. A.—Destruction of Obnoxious Insects, Phylloxera, Potato 
Beetle, Cotton-worm, Colorado Grasshopper, and Greenhouse 
Pests by Application of the Yeast Fungus. 
Revised edition of the article on this subject in the “Canadian 
Entomologist,” with additions relating to experiments—one of them 
apparently partially successful. 
Peck, C. H.—Report of the Botanist. (Thirty-first Ann. Rep. N. 
Y. State Mus. Nat. Hist, for 1877, p. 20.) 
Larvse infesting alders in Adirondack region dead. Great num¬ 
bers on the ground covered with white mold regarded by Peck as 
parasitic, and as cause of death. 
Peck, C. H.—Report of the Botanist. (Thirty-first Ann. Rep. N. 
Y. State Mus. Nat. Hist, for 1877, pp. 19, 44; Hedwigia, 
Oct., 1881; Extract, 2d Ann. Rep. State Ent. N. Y., 
p. 178.) 
Seventeen-year locust ( Cicada septendecim) reported as affected 
by a fungus in New York in 1879. Forms mass of pale yellowish 
or clay-colored spores in the abdomen, causing posterior part of ab¬ 
domen to fall away. Described (p. 44) as Massospora cicadinci 
n. gen. ek sp. 
