780 INDEX. 



PAGE 



sistance of virus, 745 ; serotherapy, 747 : strepto- 

 coccus in, 31, 316, 520, 521, 523, 527, 744; Strep- 

 tococcus scarlatince. 527 ; immunity and suscepti- 

 bility, 161. 746; sero-therapy (antistreptococcus), 

 533, 534, 747 ; transmission, 745. 



Scorpion, toxin and antitoxin 203, 432 



Sensitization 259 



Serpent ulcer. 



Pneumococcus in, 514, 515 ; treatment with anti- 

 pneumococcus serum (Koemer), 515. 



Serum disease 395 



Serums, purity of 189, 365 



Serotherapy, principles of 362-380 



Antitoxins, 365, 370 ; bactericidal serums, 370, 376 ; 

 classification of methods, 362 ; curative injections, 

 364, 367, 371 ; prophylactic injections, 362, 370, 

 371 ; see also under the different diseases. 

 Sheep-pox ; see Clavelee. 



Side-chain theory of Ehrlich 339-361 



Amboceptor formation, 264 ; agglutinin formation, 228 ; 

 antitoxin formation, 199, 202 ; applied tocellnutrition, 

 339 ; as applied to immunity, 343 ; chemical pro- 

 cesses, 191, 344, 348, 351 ; complements, 268, 354 ; 

 essential tenets of, 344 ; haptophores, 341 ; "Leis- 

 tungskern," 339 ; Metchnikoff's phagocytic theory, 

 comparison with, 356, 361 ; precipitin formation, 

 236 ; receptor proliferation, 349 ; receptors, types of. 

 351 ; side chains, 339. 



Sleeping sickness 673-678 



Anatomic lesions of, 676 ; bacteria in, 674 ; occurrence, 

 674, 675 ; symptoms of, 675, 676 ; transmission of, 

 675 ; Trypanosomatic fever, relation to, 676, 677 ; 

 trypanosomes in, 674 ; see Trypanosomiasis. 



Small-pox 729-743 



Bacteria in, 730, 736 ; conversion into vaccinia, 729, 

 730 ; cyclic nature of symptoms, 735 ; Cytoryctes 

 variolce s. vaccinice, 731 ; dissemination of virus, 

 734 ; etiology, 730 ; fetal, 731 ; immunity and sus- 

 ceptibility, 164, 742 ; incubation period, 735 ; infec- 

 tion atrium, 734 ; inoculation into calves, 729 ; jen- 

 nerization, 737 ; leucocytes in, 742 ; mixed (second- 

 ary) infections, 30, 736; nonflltrability of virus, 

 730 ; prophylaxis, 736 ; protozoon-like bodies in, 26, 

 730 ; relation to vaccinia, 165, 729 ; reyaccination. 

 740, 741 ; serum properties, 742 ; transmission, 734 ; 

 vaccination, 736 ; vaccine, contaminations of, 739, 

 740 ; vaccine, durability of. 739 ; virulence, varia- 

 tions in, 735 ; virus distribution in the body, 735. 



Small-pox and vaccinia 729, 743 



Smeg-ma bacilli 613 



Snake bites 428, 431 



Soft chancre or chancroid 569-571 



In animals, 570 ; bacillus of, 570 ; immunity, 571 ; 

 independence, 569 ; infectiousness of, 569 ; phago- 

 cytosis, 570, 571. 



Specific infections 9 



Specificity in transmission 86 



Spermophilus columbianus as host of Pyroplasma hominis 721 



Spermotoxin 295, 296 



Spider poison, antitoxin for 203 



Spirocheta. 



Anserina, 653 ; diseases due to, 642 ; gallinarum, 653 ; 

 pallida : see Syphilis ; pertenuis, 652 ; Theileri, 653. 



