364 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
* 
2394. Riley, 0. V.—Continued. 
Table of Contents— Continued. 
The fall web-worm, Hyphantria cunea . 518 
Natural history, 518—Limitation of broods, 518—The eggs, 519— 
The larv8e,519—Pupa and cocoon, 520—The moth, 520—Injury 
done in 1886, 521—Proportionate injury to different plants and 
shade trees, 522—Peculiar effect of defoliation upon some 
plants, 525—Enemies of the web-worm other than insects, 
525—Predaceous insect enemies, 526—Fungus disease of the 
web-worm, 527—Experiments to obtain percentage of diseased 
caterpillars, 529—True parasites of the web-worm, 530—Sec¬ 
ondary parasites, 530—The Telenomus egg-parasite, 531—The 
Meteorus parasite of the web-worm, 531—The Microgaster par¬ 
asite of the web-worm, 533—The Limneria parasite of the web- 
worm, 534—The Tachina parasite of the web-worm, 534—Rem¬ 
edies, 535—Pruning and burning, 535—Mulching, 536—Arsen¬ 
ical poisons, 536—Emulsions of kerosene, 538—Naphtha, 538. 
Joint-worms, Isosoma sp.,... 539 
The common joint-worm, 539—Its occurrence in Virginia in 1885, 
539—Other recent appearances, 540—Its identity with I. nigrum 
Cook, 541—Parasites, 542—The wheat-straw Isosoma, 542— 
Dimorphism of I. tritici and I. grande, 543—Occurs in California, 
544—In Kansas, 545—Parasites, 546. 
Silk culture .. 546 
Appropriations for the current year, 546—Establishment of a fil¬ 
ature at Washington, 546—Osage orange vs. mulberry, 546— 
Rendition of osage cocoons, 547—Mr. SerrelFs opinion, 547— 
Satin age, 547—The Serrell reel; cost of work up to the present 
time, 548—Expenses tabulated, 548—Chances for improvement, 
549—Distribution of eggs, 549—Reasons for purchasing foreign 
eggs, 549—Improper choking of cocoons, 550—A simple appa¬ 
ratus for choking, 551—Cocoons produced in the United States 
in 1886, 551—Tabulated by States, 552. 
Report of agents. 552 
Report on remedies for the cottony cushion-scale. By D. W. Co- 
quillett. 552 
Letter of transmittal, 552—General considerations, 553—Caustic 
potash, 554—Caustic soda, 555—Hard soap, 555—Soft soap, 555— 
Kerosene emulsions, 556—Tobacco, 556—Sheep dip, 557—To¬ 
bacco soap, 557—Vinegar, 557—Paris green, 557. 
Report upon supplementary experiments on the*cottony cushion- 
scale, followed by a report on experiments on the red-scale. 
By A. Koebele. 558 
Letter of transmittal, 558—Introductory, 558—Soap solutions, 
558—Preparation of soap, 559—Resin compounds, 559—Lye so¬ 
lution, 560—Bisulphide of carbon, 560—Kerosene emulsion, 
560—Experiments, 560—Experiments on fumigation with bi¬ 
sulphide of caTbon, 569—Experiments on red-scale ( Aspidiotus 
aurantii), 569. 
Insects affecting small grains and grasses. By F. M. Webster-___ 573 
Letter of transmittal, 573. 
Insects affecting fall wheat. 573 
The wheat-straw Isosoma (Isosoma tritici, Riley), 573—The Amer¬ 
ican Meromyza (Meromyza americana, Fitch), 574—The com¬ 
panion wheat fly (Osoinis f sp.), 574. 
