176 



Index 



Horn fly, 110 



control of, HI, 136, 155 

 Hornets, control of, 16 1 

 Horses, control of insects on, 155 



encephalitis in, 28 

 Houseflies, 110 



control of. Ill, 154 

 Household sprays, 69, 151 



testing of, 71 

 Howard, L. O., 3 



I 



Iceland, plague epidemic in, 6 

 Imperial Army, 12 

 India, plague epidemic in, 7 

 Insect sprays, 69, 151 



testing of, 71 

 Insecticides, types of, 62 

 Insects {see also ants, fleas, flies, lice, 

 etc.) 

 destruction of agriculmral crops 



by, 3 

 role of, in transmission of disease, 

 3 

 Instructions for use of DDT on in- 

 sects that affect, man and ani- 

 mals, 149 

 plants, 163 

 Intestinal flu, 26, 104 



role of fly in transmission of, 26, 

 104 

 Ireland, plague epidemic in, 5 

 Italy, fate of, decided by typhus, 12 

 plague epidemic in, 5 

 typhus epidemic stopped in, 2 



J 



Jail fever, 10 



Japan, encephalitis epidemic in, 28 



Java, cinchona plantations in, 20, 



21 

 Jellison, W. L., 27 



Jews, persecution of, 8 

 Justinian I, 5 



Kerosene, definition of, 74 



in insect sprays, 75 

 Kissinger, John R., 22 

 Knipling, E. F., 34 

 Knockdown agents, 70 



Lannoy, 12 



Lautrec, 12 



Laveran, 15 



Lazear, Jesse, 22 



Leaf hoppers, control of, 165, 167, 



168 

 Leaf roller, control of, 165, 166 

 Leclere, .23 

 Ledger, Charles, 21 

 Lepidoptera, 131 

 Lethane, 70 



Limoges, typhus epidemic in, 13 

 Lice, 10 



as carriers of typhus, 1, 10, 14 

 body, 91, 92, 156 

 control of on, cattle, 157 

 hogs, 88, 157 

 goats, 157 

 humans, 155 

 poultry, 157 

 sheep, 88 

 crab, 91, 100 



control of, 101, 156 

 head, 91, 93 



control of, 99, 156 

 pubic, 91, 100 



control of, 101, 156 

 role of, in transmission of typhus, 



1, 10 

 types of, 91 



