INDEX 



133 



Eggs of head-louse, 71 



of hog-louse on brushes, 23 

 Epidemics of louse-borne disease, 



9, 99, 118, 121 

 of relapsing fever, 106 

 of typhus, 108, 113, 114, 116 

 Epidemiology of typhus, 111 

 Eucalyptus, 60 

 Excreta of body-louse, Fig. 10, 



30, 127 



amount extruded, 129 

 garments, on, 49 

 scratching inoculating, 111, 



127 



sweat dissolving, 31 

 trench fever infected, 129 



disinfection of, 49 

 typhus infected, 111 

 weight of, 129 

 of tick, 104 

 Experiments with lice on fevered 



men, 84 



trench fever, 126 

 Eye, body-louse, of, 14 



infection through, 105, 128 

 Eyebrows, crab-lice on, 79 

 Eyelashes, crab-lice on, 79, 82 



Famine, louse-borne disease and, 



100, 106, 113 

 Fat body, 20 



Feathers, disinfestation of, 62 

 Fecundity of body-louse, 32 

 of crab-louse, 80 

 of head-louse, 71 

 Feeding of body-louse, 24, 27 

 of crab-louse, 80 

 on fevered host, 99 

 of horse-flies, 29 

 of lice, 2 

 of tick, 29 



Female louse, 14, 19, 31 

 Fever, crab-lice causing, 83 

 lice migrating in, 84 

 relapsing, 100 

 trench, 108 

 typhus, 120 

 Field, Capt. S., 115 

 Five-day fever, 122 

 Fleas, contrasted with lice as 

 regards control, difficulty 

 of, 67 



feeding habits, 2, 30 

 finding host, 36 

 infesting dwellings, 39 

 irritation of bite, 7 

 longevity, 33 

 metamorphosis, 24 



Fore-gut, 15 



Fry, Major W. B., 115 



Garments, discarded, lice on, 



36, 38 



disinfestation of. See Disinfes- 

 tation 

 dissemination of lice by, 40, 



71, 81 



famines, scarcity in, 113 

 excreta of lice on, 31, 49 

 infested, 41 

 Geographical distribution of lice, 



43 



relapsing fever, 100 

 trench fever, 122 

 typhus, 109 

 Germany, prison camps of, 9, 



114 



Glands of tick, secretion of, 104 

 Glandular troubles caused by lice, 



9 



Gonopods, 15, 21, 69 

 Grant, Capt., 52 

 Greases, 18, 63, 73 

 " Ground lice," 6 



Habits of man, lice in relation to, 

 4, 5, 35, 72 



of body-louse, 27, 31 



of crab-louse, 78 



of head-louse, 70 

 Haematopinus sui. See Hog- 

 louse 



Haemocoele, 18 

 Hair, cropping of, 72. See also 



Body hair 



Hamar, Dr., on lice in beds, 39 

 Hats, eggs of lice in, 71, 75 

 Haustellum, 12, 28 

 Head, of body-louse, 1 2 



of crab-louse, 78 



crab-lice on, 79 



head-lice on, 70 

 Head-lice, 3, 69 



characters of, 69 



disinfestation from, 73 



habits of, 70 



prevalence of, 3 



typhus transmitted by, 101 

 Heart of insects, 19 

 Heat, disinfestation by, 46, 50, 58. 



See also Temperature 

 Hind gut, 16 

 Hippoboscid flies, dissemination 



of, 35 



Hog-louse, eggs of, on brushes, 

 23 



