132 LICE AND THEIR MENACE TO MAN 



Body-louse (conld.) 



life-history of, 24 



migration of, 36, 84 



prevalence of, 3, 35 



rearing of, 32 



relapsing fever transmitted by, 

 104 



trench fever transmitted by, 

 121, 127 



typhus transmitted by, 111 

 Boiler disinfestor, 50 

 Boiling water destroying lice, 48 

 Bot-flies, dissemination of, 35 

 Brill's disease, 110 

 British Medical Sanitary Mission, 



52 



Bronzing of skin, Fig. 2, 7 

 Brushes, disinfestation of, 62 



eggs of hog-louse on, 23 

 Brushing, disinfestation by, 18, 45 



dislodging lice, 36 

 Butter, rancid, 61 

 Byam, Major W., 84 



Carbolic acid, 60 3 61 

 Cement of eggs of body-louse, 19, 

 21 



of crab-louse. 79 

 Chambers, hot air, 58 



steam, 55 

 Chitin, 11, 25 

 Circulatory organs, 18 

 Claw of body-louse, ]4 



of crab-louse, Fig. 13, 77 

 Cleansing stations, army, 51, 65 



municipal, 50 

 Clothing. See Garments 

 Coal tar products, 60 

 Coelom, spirochaetcs in, 105 

 Coitus, crab-lice spread bv. 80 



of lice, 20, 31 

 Combing for head-lice, 73 

 Combs alleviating itching, 72 

 Conseil on typhus, 111 

 Conveyances, lice in, 4, 38 

 Copeman on naphthalene, 62 

 Copulatory organs, 15, 31 

 Corpses, lice leaving, 36, 113 

 Crab-louse, Fig. 12, 3, 6, 70, 76 



characters of, 76 



disease and, 82 



disinfestation from, 63, 64, 82 



dissemination of, 80 



eggs of, Fig. 6, 79 



habits of, 79 



irritation caused by, 6 



rearing of, 78 



Crushing of louse and relapsing 

 fever, 105 



Dead lice, appearance of, 50, 62 

 Death of louse, causes of, 33 

 Defaecation of body-louse, 30 



of head-louse, 80 

 Development of body-louse, 24 



of crab-louse, 80 



of head-louse, 71 

 Digestive system, 15, 29 

 Dirt, relation of lice to, 4, 113 

 Diseases, louse-borne, 9, 100, K.8, 



120 



prophylaxis against, 66, 129 

 rapid spread of causes, 99, 

 106, 113, 121 



salivary juice conveying, 28 

 Disinfection of louse excreta, 49 

 Disinfectors, 50 

 Disinfestation, 44, 97 



armies, in, 46, 51, 65 



blankets, of, 64, 97 



body, of, 47, 64 



chemicals for, 60 



civilian, 50, 65 



clothing, of, 44-60, 75, 82 



crab-lice, from, 63, 64, 82 



general remarks on, 64 



head-lice, from, 64, 73 



household, 50, 62 



sick, of, 112 



tests of, successful, 50, 58 



train, 52 

 Disinfestors, hot air, 50, 58 



loading, 59 



steam, 50, 52 

 Dissemination of body-louse, 35 



of crab-louse, 80 



of head-louse, 71 



of parasitic insects, 34 



of trench fever, 121 

 Distribution. See Geog. dist. 

 Droppings. See Excreta 

 Dug-outs, infested, 39 

 Dutton on relapsing fever, 103 

 Dwellings, infested, 39 



Eczema, 9 



Eggs of body-louse, Fig. 5, 19, 

 21, 32 



blankets, on, 40 



clothing, on, 42 



empty shell of, 23 



hair of body, on, 42, 70 



hatching of, Fig. 7, 23 



incubation of, 23 



laundry not destroying, 40 



oviposition of, Fig. 4, 22 



seams, in, 45 

 of crab-louse, Fig. 6, 79 



dissemination of, 81 



