588 



Index 



Saline solution (physiological) as a protec- 

 tive fluid, 320, 365 



Saliva, microbicidal property of the, 415; 

 antitoxic function of, on snake venom, 

 417 ; psychic influence on flow of, 62, 566 



Saponin, haemolytic action of, 389; and 

 cholesterin, 389; and antisaponic power, 

 390 



Saprolegnia. See Fungi 



Sarcinae as adjuvant organisms, 426 



Sarcinae, acidophile, 418 



Sclerotinia, pathogenic action of, 32 



Scolopendra, acquired immunity in, against 

 anthrax, 209 



Scorpion, natural immunity of, against 

 tetanus toxin, 326; against its own 

 poison, 327; antivenomous property of 

 blood of, 328; supposed suicide of, 327 



Scorpion serum, action of antivenomous 

 serum on, 365 



Scorpion venom, antitoxic action of cray- 

 fish blood against, 366 



Scrofula in immunity against tuberculosis, 

 436 



Secretion of bactericidal substance, theory 

 of, 187-191, 533-537, 540, 542 



Sensibilising substance of Bordet (fixative), 

 91, 199, 298, 535, 537, 557 



Sensitiveness of plants to osmotic pres- 

 sure, 37, 566 



Septicaemia of goose. See Spirochaete an- 

 serina 



Septicaemia of mouse. See Mouse septi- 

 caemia 



Septic vibrio, 170 



Serums. See also Blood, Body fluids, 

 Humoral theory, Toxins 



Serums, haemolysis by, 83, 87-95 (see also 

 Haemolysis); effect of injections of, 68; 

 increasing haemolytic power of, 90; iso- 

 toxic, 104; absorption of, 106 ; antihae- 

 motoxic, 111, 112; haemolytic or hae- 

 motoxic, 111, 112; anticoagulating, 190; 

 anticytase, 115, 371; antispermotoxic, 

 116, 122-126; bactericidal properties of, 

 184, 190, 191, 192, 193, 206, 211, 226, 233, 

 238, 241, 243, 244, 260, 298, 554; influence 

 of alkalinity or acidity on bactericidal 

 action of, 196; agglutination of red blood 

 corpuscles by, 258; agglutination of bac- 

 teria by, 256-265, 380; protective power 

 of, in the immunised organism, 266-280, 

 287, 293, 295, 532 ; differs from bacteri- 

 cidal power, 268 ; and from agglutinative 

 power, 268; and is not a measure of 

 acquired immunity, 271, 274, 275 ; pro- 

 tective, may be only feebly antitoxic, 

 497; modified growth of bacteria in im- 

 munised, 256, 259 (see also Agglutina- 

 tion) ; resistance to heat of protective 

 substance of, 268 ; fixatives in protective, 

 269, 438; their origin, 294; protective 

 and fixative substances contrasted, 269; 



relations of fixative and cytase in bac- 

 tericidal action of, 298 ; stimulating action 

 of, 270-274, 301, 308-320, 365 ; absence 

 of protective power in specific, 270, 276- 

 279; origin of protective power in, 291- 

 294; theory of attenuation of micro- 

 organisms by immune, 286-289 ; inactive 

 specific, rendered active by addition of 

 normal serum, 215, 268, 298, 302, 317; 

 protective action of heated normal serum, 

 273, 318; protective action of non-spe- 

 cific, against toxins, 365; from con- 

 valescents, protective action of, 437-444 ; 

 temporary immunity against micro-or- 

 ganisms conferred by specific, 301-317; 

 conferred by normal, 317-320; conferred 

 by fluids other than, 320-322 ; phagocy- 

 tosis in the immunity conferred by spe- 

 cific, 303-306; influence of opium on 

 immunisation by specific, 306; antive- 

 nomous action of, 334, 338, 358, 360, 361 ; 

 antitoxic action of non-specific and nor- 

 mal, 365, 380; anti-arsenic, 390; anti- 

 leucocidic, 359; antidiastatic, 361 ; testing 

 and standardisation of antitoxic, 376, 

 476, 496-498 



Sheath, protective. See Membrane 



Sheep, natural immunity of, against an- 

 thrax, 159, 289 ; acquired immunity of, 

 against anthrax, 241-3, 289 ; bactericidal 

 action of blood serum of, 241, 286; pro- 

 tective power of serum of, immunised 

 against anthrax, 276; immunised with 

 blood from dog affected by a haematozoon, 

 279; vaccination of, against sheep-pox, 

 460 ; against rabies, 466 ; against anthrax, 

 469 ; protection against tetanus in, 493 ; 

 fate of anthrax bacilli in Algerian, 512 



Sheep-pox (la clavele"e), heredity of immunity 

 against, 452 ; vaccinations against, 460- 

 461 



Side-chains or receptors, theory of, 120, 

 381-384, 538, 557, 562-563; compared 

 with theory of phagocytes, 296-299, 538, 

 558 



Silver, soluble salts of, absorbed by leu- 

 cocytes, 400 



Skin, immunity of the, 403-407; protective 

 function of the, 404-407 ; phagocytes in 

 the defence of the, 407 



Small-pox, mortality from, in 18th century, 

 454; vaccinations against, 454-460; vac- 

 cination with calf lymph, 456; with con- 

 tents of pustule of cow-pox, 455; vac- 

 cination statistics, 457-459 



Snail. See Helix pomatia 



Snake, natural immuni'ty of, against snake 

 venom, 333 



Snake venom, natural immunity of snakes 

 against, 333; of hedgehog against, 337; 

 of mongoose against, 339 ; artificial im- 

 munity against, 345, 347 ; action of anti- 

 venomous serum on, 358, 360, 361; of 



