220 
BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
1625. Riley, 0. V.—Continued. 
Chapter YII: ‘ 
Natural enemies of tlie Rocky Mountain locust. 113 
Birds and other vertebrate animals, 113—The good offices of birds. 
113—Invertebrate animals, 114—Animals that attack the eggs, 
115—The silky mite, 115—The Anthomyia egg-parasite, 118—The 
common flesh-fly, 123—Undetermined larvie, 123—Ichneumon- 
flies, ground-beetles, click-beetles, and myriapods, 126—Insects 
that destroy the active locust, 126—The locust-mite, 128—The 
anonymous Tachina-fly, 131—Yellow-tailed Tachina-fly, 134— 
Flesh-fly, 135. 
Chapter VIII: 
Practical considerations. 139 
How best to prevent locust injuries, 139—Encouragement of nat¬ 
ural enemies, 139—Destruction of the eggs, 139—Experiments 
with the eggs and conclusions drawn therefrom, 140—Effects of 
alternately freezing and thawing, 141—Influence of moisture, 
143—Exposure to the free air, 148—Burying at different depths, 
and pressure of the soil, 149—Table of temperatures, 152—Har¬ 
rowing in the fall, 153—Collecting the eggs, 153—Plowing, how 
most effectual, 153—Irrigation, tramping, 154—Destruction of 
the young or unfledged locusts, 155—Burning, 155—Crushing, 
157—Trapping, 157—Ditching and trenching, 161—-Catching, 
161—Different contrivances for this purpose, 162—Use of de¬ 
structive agents, 162—Coal-oil pans, 163—The use of coal-tar, 
164—The protection of plants by special applications, 165—The 
best means of protecting fruit and shade trees, 166—Sulphur 
fumes aud smudges, 167—Destruction of the winged locusts, 
167—Preventive measures, 169—Suggestions that may prove of 
service, 170—Use of hogs and poultry, 171—The Sigual Service, 
172—Military aid, 173—Diversified agriculture, 174—Organized 
effort, 176—State legislation, 176—Missouri locust law, 177—Kan¬ 
sas locust laws, 178, 179—Minnesota locust law, 180—Nebraska 
locust law, 184—How to avert locust invasions, 186. 
Chapter IX: 
Ravages of locusts east of the Mississippi. 187 
Migratory locusts in the eastern States, 187—The Atlantic locust, 
187—Injury from other non-migratory species, 190—Often a 
serious matter during hot, dry seasons, 193—Locust flights in 
Illinois in 1875,195—The species of which the swarms were com¬ 
posed, 197—Locust flights east of the Mississippi not composed 
of the Rocky Mountain species, 201—Necessity of discriminating 
between species, 201. 
Chapter X: 
General considerations.-. 207 
Nomenclature, 207—Locust vs. grasshopper, 207—Prairie fires vs. 
locust ravages, 209—Fasting and prayer, 213—Not a divine visi¬ 
tation, 216—Influence of the wind in determining the course of 
locust flights, 216—Locusts as food for man, 217.—Unnecessary 
alarm caused by comparatively harmless species, 227. 
1626. Riley, C. Y. Oh an extensile penetrating organ in a gamasid 
mite. <Proc. Amer. Assoc. Adv. Sci. for 1876, 1877, v. 25, 
pp. 273-275, 1 fig. See: <Ca. Ent., September [October], 
1876, v. 8, p. 180. 
