378 



INDEX 



Thorn-headed worm, 306 

 Thorn-headed worm of the hog, 303 



life history, 306 



occurrence, 306 



pathogenesis, 306 



symptoms, 306 



treatment, 307 

 Thysanosoma actinioides, 174, 176, 



177 

 Tick fever, 365, 145, 313, 347 

 Ticks, 136 



classification of, 136 



stages in development of, 139, 145 



structure of, 136 

 Tick, Texas fever, 144, 145, 314, 



347 

 Toxascaris limbata, 238 



marginata, 238 ' 

 Toxins, parasitic, 11, 174, 220 

 Tracheal injections, 265 

 Tracheal strongylosis of fowl, 293 



development, 294 



lesions, 294 



occurrence, 294 



prevention, 295 



symptoms, 294 



treatment, 295 

 Transmigration, 8 

 Trematoda, 156, 157 

 Trichina spirahs, 220, 299, 301 

 Trichinella, 225 

 Trichinella spiralis, 220, 299, 301 



degeneration of cyst of, 303 



development of cyst of, 302 



life history, 302 



location of cysts of, 303 



migration, 220, 302 

 Trichinellidse, 224, 299 

 Trichinellinae, 225 

 Trichinelloidea, 225 

 Trichinosis, 220, 301 



intestinal, 302 



method of infection, 302, 304 



muscular, 302 



occurrence, 301, 304 



prophylaxis, 305 



symptoms in the hog, 304 



treatment, 305 

 Trichinosis in man, 304 

 Trichocephalus aiBnis, 299 



crenatus, 299 



depressiusculus, 300 

 Trichodectes climax, 77 



equi, 73 



latus, 78 



parumpilosus, 73 



pilosus, 73 



scalaris, 75 



sphaerocephalus, 76 



subrostratus, 79 

 Trichostrongylidae, 226 

 Trichostrongylinse, 223, 268 

 Trichostrongylus, 226 



instabilis, 271 

 Trichurinse, 225 

 Trichuris, 225 



crenatus, 299 



depressiusculus, 300 



ovis, 299 

 Trinoton lituratum, 86 



luridum, 84 

 Trinotum lituratum, 86 



luridum, 84 

 Triodontophorus, 281 , 

 Trombidiidse, 96, 99 

 Trombidium holosericeum, 100 

 Tropisurus fissispinus, 254 

 Trypanoplasma, 328 

 Trypanosoma, 328 



americanum, 336 



brucei, 314, 330 



equinum, 332 



equiperdum, 333 



evansi, 314, 332 



gambiense, 314 



lewisi, 314 



theileri, 329 

 Trypanosomatida, 322, 328 



