590 
Side-chain theory, 507 
Simultaneous method, 428, 511 
Slaked lime, 521 
Slipping, 198 
Sore head, 494 
South African horse sickness, 346 
Southern cattle fever, 327 
Spanish fever, 327 
Specific infectious disease, 3 
bibliography, 28 
cause, 3, 8, 13 
channels of infection, 11 
classification, 16 
control, 14 
definition, 8 
diagnosis, 12 
dissemination, 10 
duration, 9 
heredity, 12 
immunization, 15 
inoculation, 9, 11 
lesions, 8, 19 
miscellaneous, 28 
period of incubation, 8 
specific reactions, 14 
symptoms, 12 
tissue changes, 13 
transmission, 9 
variations, 15 
virus, 10 
Specific paratuberculosis of cattle, 191 
paratuberculous enteritis, 191 
Spirillaceze, 17, 301 
Spirillose des oies, 307 
des poules, 303 
Spirillosis, 303, 307 
Spirillum, 17, 19, 301 
ovina, 310 
Spirocheta (spirochete), 17, 19, 301, 
355 
anserina, 307 
Balfour, 305 
bucealis, 312 
classification, 302 
Evansi, 359 
gallinarum, 304, 306 
granulose penetrans Balfour, 305 
Neveuxt, 305 
Nicollet, 305 
Obermeieri, 312 
pathogenesis, 303 
plicatilis, 312 
pyogenes, 310 
Theileri, 309 
vaccinae, 310 
Spirocheetosis, 303 
bibliography, 312 
in cattle, 309 
characterization, 303, 307 
duration, 306 
INDEX 
Spirocheetosis, etiology, 304, 307 
in fowls, 303 
in geese, 307 : 
geographical distribution, 304, 307 
history, 303, 307 
in horse, 310 
immunity, 306 
in mammals, 308 
morbid anatomy, 306, 308 
period of incubation, 306 
prevention, 306, 308 
in sheep, 310 
in swine, 311 
symptoms, 305, 308 
synonyms, 303, 307 
Spirosoma, 17, 19 
Splenic apoplexy, 89 
fever, 89, 327 
Sporothrix, 292 
Spreading gangrene, 250 
Stable fever, 447 
pneumonia, 442, 447 
Stains, 364 
Staphylococcus, 26, 42 
mastitidis, 26 
State sanitary requirements, 523 
Steppe murrain, 404 
Stomatitis, gangrenous, 230 
malignant, 230 
necrotic, 230 
ulcerative, 230 
Stomozys calcitrans, 375, 380 
Strangles, 33 
bibliography, 37 
characterization, 33 
diagnosis, 36 
duration, 36 
etiology, 34 
geographical distribution, 34 
history, 33 
morbid anatomy, 35 
mortality, 36 
period of incubation, 34 
prevention, 36 
symptoms, 34 
synonyms, 33 
treatment, 37 
Streptococcic mastitis, 40 
bibliography, 41 
characterization, 40 
diagnosis, 41 
duration, 41 
etiology, 40 
geographical distribution, 40 
history, 40 
morbid anatomy, 40 
period of incubation, 40 
prevention, 41 
prognosis, 41 
symptoms, 40 
