148 
Prentiss, A. N.—Fungi as Insecticides. (Rep. [U. S.7 Commits. 
Agr., 1879, p. 260.) 
See Comstock, 1879. 
Saunders, W.—Annual Address of the President of the Entomo¬ 
logical Society of Ontario. (Can. Ent., Oct., 1879, v. 11, 
p. 186; Ann. Rep. Ent. Soc. Ont. for 1877, p. 7.) 
Further report of a disease among nearly grown larvae of Clisio- 
ccirnpa sylvatica in Canada. 
Siewers, C. G.—Mold as an Insect Destroyer. (Am. Nat., Nov 
1879, v. 13, p. 631.) • / 
Hagen’s theory reiterated. Various instances reported of occur¬ 
rence of fungous disease among larvae. 
Thomas, Cyrus.— The Chinch-bug, its History, Character, and Habits. 
(Bull. No. 5, U. S. Ent. Comm., 1879.) 
Referring (p. 24) to Shimer’s supposed epidemic among chinch- , 
bugs, inclines to believe that moisture gave rise to a minute fungus 
as the direct cause of the death of the insects. Speaks of similar 
disease among house-flies and grasshoppers. 
1880. 1 
Comstock, J. H.— Fungi as Insecticides. (Rep. f"U. S.l Commiss. 
Agr., 1879, p. 260.) 
Abstract of unsuccessful experiments with yeast fungus by A. 
N. Prentiss, in the application of yeast fungus to plant-lice, scale 
insects, and red spiders. 
Aitken, J. — Notes on a New Species of Caterpillar Fungus. (Hard- 
wicke’s Science Gossip, 1880, p. 97.) [Not seen.] 
On Torrubia sp. 
Hagen, H. A.—Schadliche Insecten durcli den Hefenpilz zu todten, 
(Zool. Anz., April 19, 1880. v. 3, p. 185.) 
Report of successful experiment with yeast fungus for destruc¬ 
tion of Doryphora 10-lineata, all treated dying in eight to twelve 
days and a check lot living through the winter. Hagen regards 
experimental recommendation as independent of theoretical expla¬ 
nation derived from Bail. 
Hagen, H. A.—On the Destruction of Obnoxious Insects by Yeast. 
(Can. Ent,, May, 1880, v. 12, p. 81.) 
Experiments of Mr. J. H. Burns with yeast plant on Doryphora. 
Fifty treated beetles all died by the twelfth day, while only three 
of the check lot of fifty had died in six weeks, and only twenty- 
five died during the following winter and spring. Writer mentions 
also a seemingly successful experiment on aphides. Summarizes some 
recent European contributions to life histories of: Entomophthorae. 
Declares experimental results independent of Bail’s theory, and 
