INDEX 



375 



Simplicity, primitive and degenera- 

 tive, 3 

 Simuliidse, 20, 31 

 Simulium pecuarum, 32 

 Siphonaptera, 21, 65 

 Siphunculata, 21, 70 

 Sleeping sickness, 46, 314 

 Southern cattle fever, 145, 313, 347 

 Southern cattle tick, 144, 145, 347 

 Spider, 94 

 Spinose ear tick, 140 



development, 141 



effect, 141 



habits, 141 



occurrence, 141 

 Spirocheta gaUinarum, 327 



marchouxi, 327 



theileri, 316 

 Spirochetida, 315, 322, 327 



as blood parasites, 315, 316 



evolution of pathogenicity in, 315 



pathogenicity, 315, 327 



transmission, 316 

 Spirochetosis, 315, 327 



of fowl, 327 

 Spiroptera megastoma, 245 



microstoma, 246 



sanguinolenta, 250 



scutata, 246 



sexalata, 252 



strongylina, 251 

 Spirura, 227 

 Spiruridffi, 227 

 Spirurinse, 227 



Splenic fever of cattle, 145, 313, 347 

 Sporogony, 318, 320, 337 

 Sporozoa, 323, 336 



relationship to other forms, 336 



reproduction in, 318, 322, 336, 337 

 Stable fly, 39, 332 



control, 40 



effect, 40 



life history, 39 



occurrence, 40 



protection from, 41 



relation to infectious diseases, 40 

 332 

 Staggers of sheep, 204 

 Stegomya calopus, 29 



fasciata, 29 

 Stephanurus dentatus, 295 

 Sting, insect, 18 

 Stomach worms, pasture rotation 



in eradication of, 277 

 Stomach worms of cattle, 272 



of the goat, 268 



of the sheep, 268 

 Stomoxys calcitrans, 39, 315, 332 

 Stray parasites, 8 

 Strongylese, 280 

 Strongyles of the respiratory system, 



255, 256 

 StrongylidsB, 223, 255 

 parasitism of, 255 

 Strongylinae, 223, 280 

 Strongyloidea, 226 

 Strongylosis, 255 



bronchial, 256 



gastric, 268 



mtestinal, 268, 280 



pulmonary, 256 



renal, 295, 296 



vascular, 289 

 Strongylosis, bronchial and pulmonary 



of cattle, 259 



of the goat, 256 



of the horse, 261 



of the pig, 260 



of the sheep, 256 

 Strongylosis of the intestines of the 



cat, 291 

 Strongylosis of the intestines of the 

 dog, 291 



development, 292 



occurrence, 292 



post-mortem appearance, 292 



symptoms, 292 



treatment, 293 



