INDEX 



569 



Trench diarrhea, 135. 



Trench fever, 168, 169, 186, 187-188; 



relation of lice to, 399. 

 Treponema pallida, see Spirochceta 



pallida. 



Triatoma, relation to Trypanosoma 

 cruzi, 8, 108, 110-112, 380-381; 

 houses proof against, 114, 370; 

 379-382; habits and life history, 

 379. 



chagasi, infected with trypano- 

 somes, 381. 



dimidiata, infected with trypano- 

 somes, 381. 



geniculata, and Trypanosoma cruzi, 

 112, 380-381. 



infestans, infected with trypano- 

 somes, 381. 



megista, and Trypanosoma cruzi, 

 110-112; habits and life his- 

 tory, 380. 



protracta, and Trypanosoma tria- 

 tomoe, 112, 379, 381. 



rubrofasciata, and Trypanosoma 

 cruzi, 112, 381; and kala-azar, 

 377, 382; -possible carrier of 

 trypanosorne disease in Mauri- 

 tius and Reunion, 381. 



sanguisuga, 110, 379. 



sordida, infected with trypano- 

 aomes, 381. 



vitticeps, infected with trypano- 



somes, 381. 

 Tricercomonas, 122. 

 Trichina worms, -see Trichinella 



spiralis. 



Trichinella spiralis, discovery, 7; 

 286-297; history, 286; preva- 

 lence, 286-288; life history, 

 288-292; hosts, 288; repro- 

 duction, 289; distribution in 

 body of host, 290; formation of 

 cysts, 291; trichiniasis, 292- 

 294; treatment, 294-295; pre- 

 vention, 295-297; effects of 

 cold storage and heat, 295; 

 meat inspection for, 295-296. 

 Trichiniasis, prevalence, 286-288; 



course of, 292-294; treatment, 

 294-295; prevention, 295-297. 



Trichinosis, see Trichiniasis. 



Trichoma, 396. 



Trichomonas, 115; 118-122; in va- 

 gina, 119; in mouth, 119; de- 

 scription, 119; multiplication 

 and encystment, 120; pathogen- 

 icity, 121; treatment of in- 

 fections, 121. 

 buccalis, 119. 

 hominis, 118-122. 

 vaginalis, 119. 



Trichostrongylus, 282-283. 

 instabilis, 282. 

 orientalis, 282. 

 subtilis, see T. instabilis. 



Trichuris trichiura, 276-277. 



Trinidad, mosquitoes thought to 

 transmit Dermatobia, 451. 



Triodontophorus, see Ternidens. 



Trombidiidae, see Harvest mites. 



Trombidium, and kedani, 190. 

 akamushi, 336. 

 holosericeum, 336. 



Tropical sloughing phagedsena, 73c. 



Tropical ulcer. 73c. 



Tropidurus peruvianus, host of Phle- 

 botomus verrucarum, 472. 



Trypanoplasma, 117. 



Trypanosoma, relation of tsetse flies 

 to, 7, 490, 496-497, 500-501; 

 cultivation, 9; immunity to 

 drugs, 34, 105-106; develop- 

 mental stages, 75, 96-97; 93- 

 114; importance, 93-94; de- 

 scription of, 94-95; hosts, 96; 

 identification of species, 96- 

 97; species pathogenic to man, 

 97; and sleeping sickness, 98- 

 108 j spores, 102; granule-shed- 

 ding 103 agglutination, 103; 

 and Chagas disease, 108-114; 

 and leeches 317: carried by 

 Cimex pipistrelli, 378; possible 

 cause of disease in Mauritius 

 and Reunion, 381-382. 

 brucei, relation to Rhodesian sleep- 



