Index to Subjects 



441 



Phytoprecipitins 152 



Pilocarpiu, effect on antitoxin content of 



serum 10 

 Pisces, bloods, precipitin tests on 211, 

 308-309, 378-380 



egf^ albumins, precipitin tests on 3(50 



haemolytic effects of sera on different 

 bloods 39 



tables 308-309, 366, 378-380 

 Placenta, structure in Primates 2 

 Plant albumins, precipitins for 155 



albumoses, precipitins for 155 

 Plasma, complement contained in 29 



haemolytic effects of 26 

 Precipitable substances, 



effect of desiccation on 119 



effect of heat on 117 



effect of putrefaction on 119 



nature of 96 



observations on, in corpore 89, 126, 132 



and precipitins, coexistence in immune 

 animals 129 et seq. 

 Precipitating antisera, 



effect of heat on 114 



effect of filtration on 65 



effect of antiseptics on 65, 76-79 



immune bodies in 94 



preservation of 65 



stability of in vitro 123 



strengths of 144, 145, 337, 339 



See further under Precii^itin reactions. 

 Precipitins 

 Precipitin reactions, 



acids and alkalis, effects on See Acids, 

 Alkalis 



with bacterio precipitins 92 



with blood precipitins See above and 

 below 



with blood solutions in water 104 



with distantly related bloods 137 



with homologous substances in high 

 dilutions 142 



with non-homologous 135 et seq. 



disease, influence of 145 



inactivated antisera 90 



individual differences in sera, etc. 145, 146 



interacting bodies unite quantitatively 88 



mammalian reaction 189 



nature of 88 



precipitable substance, behaviour iji cor- 

 pore 89 



precipitin used up in reaction 88 



precipitoids 91, 92 



precipitum 88, 89, 101 



Precipitin reactions, 

 precipitum soluble in excess of serum 89 

 rate of reaction 142 

 reactivation of antisera not successful 94 

 salts, influence on reaction 102, 402 

 supernatant fluid, character of, after 



precipitation 101 

 studied in hanging-drop (microscopically) 



101 

 temperature influence upon 113 

 tests with concentrated sera 138 

 time limit 138, 139 

 See further under Precipitable substances, 



et seq. 

 Precipitins, absence in urine 127 

 chemical nature of 13, 14, 88, 89, 96, 



99-101 

 compared to heat or HNO.j as a test 



for albumins 98 

 defined 15 



differ from agglutinins 49 

 disappear after prolonged treatment of 



animals 57, 127 

 disappear from serum after stopping 



treatment 127 

 effect of desiccation on 119 

 effect of heat on 114 

 effect of putrefaction on 66, 119, 402 

 Ehrlich's theoiy in relation to (figure) 12 

 formed after feeding animals with serum, 



etc. 132 

 function of, in corpore 128 

 injection of, into animals, behaviour of 



97, 134 

 measure of degrees of reaction with 141 

 normal 150 

 not formed for starch, glycogen, gelatin, 



etc. 113 

 observations on, in corpore 126 

 obtained from different species of 



animals 146 

 and precipitable substances coexisting 



in corpore 129 et seq. 

 peptic digestion destroys 111 

 presence in humor aqueus 127 

 regeneration after bleeding immune 



animal 128 

 seat of origin in corpore 132 

 selective action in blood mixtures 140 

 specificity of 135 et seq. 

 transmitted to foetus in iitero 127 

 tryptic digestion resisted 111 

 "unit" of Eisenberg 143 

 for blood See above, Precipitin tests, etc. 



