172 



Index 



Catalpa caterpillar, control of, 169 

 Caterpillars, 130 



control of, 132, 169 

 Cattle, control of flies on, 111, 118, 



136, 155 

 control of lice on, 157 

 dips. 111, 155 

 Central powers, 14 

 Charles V, 12 

 Charleston, yellow fever epidemic in, 



23 

 Chipmunks, as reservoirs of plague, 9 

 Cholera during Crimean War, 13 

 Chloral hydrate, 31, 40 

 Chlorobenzene, 31, 40 

 Chovis, 87 



Cimex lectularius, 102 

 Cinchona, 19 



Cincinnati Chemical Works, 39 

 Citrus fruits, control of insects on, 



165 

 Civil War, malaria victims during, 



16 

 Cleanliness, role of, in typhus con- 

 trol, 11 

 Qement VII, 12 

 Clothes, protection of, against moths, 



132, 158 

 Cockroaches, control of, 85, 152 

 Colorado potato beetle, control of, 



33, 129. 168 

 Commercial Standard CS72-38, 72 

 Constance, plague epidemic in, 6 

 Constantinople, plague epidemic in, 



5 

 Contact poisons, 62 

 Corn, control of insects on, 166 

 Corn borers, control of, 166 

 Cotton, control of insects on, 166 

 Crab lice, control of, 101, 156 

 Craft, Willis, 78 



Crimean War, 13 



Crops, agricultural, magnitude of 

 destruction by insects, 3 



control of insects on, 129, 163 

 Crusaders, 16 

 Cuba, 23, 24 



yellow fever epidemic in, 23 

 Culex, 112 

 Culicidae, 112 

 Culicinae, 112 



Dalmatia, plague epidemic in, 5 

 Danger in use of DDT, 47 

 DDT, aerosols, 68, 80, 154 



agriculmral dusts, 69, 88, 165 



composition of, 40 



dips, for control of flies on cattle, 

 111, 155 



discovery of, 30 



dusts, 69, 88, 165 



emulsions, 68, 85, 87, 154, 156 

 for use on plants, 87 



formula of, 40 



formulations, 67 



in paints, 69, 89, 155 



jitters, 64 



mechanism of poisoning by, 62, 64 



patents, 39, 40 



powders, 2, 68, 84, 87, 122, 125, 

 151 



preparation of, 31, 40 



production of, 41 



properties of, 41, 42 



residual sprays, 6G, 82, 154 



safety precautions in use of, 47 



solutions, eff^ea of, on skin, 52 



sprays, 68, 79, 81, 154, 159 

 toxicity of, 51 



tremors, AA, 64 



