374 



INDEX 



Sarcophaga sarraceniae, 52 

 Sarcoptes, 101 



parasitism, 102 



species of, 102 



varieties, 102 

 Sarcoptes minor var. cati, 118 



minor var. cuniculi, 118 



mutans, 132 

 Sarcoptes scabiei, 102 



var. bovis, 114 



var. canis, 115 



var. equi, 104 



var. ovis, 112 



var. suis, 114 

 Sacroptic mange, 101, 102 



of cattle, 114 



of the dog, 115 



of the goat, 113 



of the hog, 114 



of the horse, 104 



of the sheep, 112 

 Sarcoptidse, 96, 101 

 Sarcosporidia, 323, 336, 350 



development, 350 



muscles commonly invaded, 350 



parasitistn, 350 



pathologic importance, 351 



theory as to source and mode of 

 infection, 351 



toxicity, 351 

 Sarcosporidiosis, 350 



mode of infection, 352 

 Sarcosporidiosis of cattle, 351 



of the horse, 351 



of mice, 352 



of the pig, 351 



of the sheep, 351 

 Scabies, 96 

 Scab mites, 94, 96 

 Scaly leg of poultry, 132 

 Schistosoma bovis, 168 

 Schistosomidae, 157 

 Schizogony, 318, 319, 337 

 Sclerostomiasis, 288 



Sclerostomum edentatum, 289 



equinum, 288 



hypostomum, 287 



tetracanthum, 289 



vulgare, 289 

 Scorpion, 94 

 Screw worm fly, 50 



development, 50 



effect, 50 



occurrence, 50 



protection from, 51 



reproduction, 50 



treatment, 51 

 Sea anemone and hermit crab, " 



mutualism of, 2 

 Septicemia of chicks, 345 

 Setaria labiato-papillosa, 244 

 Sheep bot fly, 62 



effect of bots, 63 



life history, 62 



occurrence, 62 



prevention, 64 



treatment, 64 

 Sheep measles, 174, 195, 203 

 Sheep measles, muscular, 203 



control, 204 



derivation, 203 



development, 204 



economic importance, 204 



occurrence, 203 

 Sheep measles, visceral, 203 



control, 203 



development, 203 



method of infection, 203 



occurrence, 203 



relation to food sanitation, 203 



symptoms, 203 

 Sheep staggers, 204 

 Sheep "tick," 4, 47 



control, 48 



effect, 48 



life history, 4, 47 



occurrence, 47 



treatment, 48 



