CONTEXTS. 
Page. 
Acknowledgments 9 
Habits and natural enemies of the Boll Worm 10 
Destructiveness... 10 
Food-plants other than cotton and corn 17 
Tobacco 17 
Tomatoes 18 
Other food-plants 18 
Characters and transformations 18 
Larva 18 
Pupa 21 
Imago 22 
Number of broods and hibernation 23 
Parasites 24 
Egg parasites «. 25 
Parasites of the larva 2f> 
Other natural enemies 26 
Ants 20 
Wasps 28 
Other insects 28 
Insect ravages mistaken for those of the Boll Worm 29 
Thecla poeas 29 
Prodenia lineatella 30 
Platynota rostrana 30 
Agrolis yjwilon 30 
Laphygma frugipeida ::<> 
Baris (erea 
Parajulus impressus 30 
Calocoris rapidus ;'»1 
Homalodis<a oongulata 31 
Remedies for the Boll Worm 
Lights for attracting the moths 33 
Poisoned sweets 38 
Experiments with pyrethrnm 42 
Simple emulsion 1 1' 
Pyrethrnm emulsions 43 
Cold-water decoction IS 
Hot-water decoct ion II 
CoM-oil decoction 1 5 
Hot-oil decoction r> 
Simple cold-water decoction In 
Simple hot-water defections IT 
Summary of experiments 49 
Advantages of the emulsified hot oil extracted from pyrethrnm. 5] 
7 
