62 Society for Experimental Biology and Medicine. 



by eosinophile cells during infection 

 with Trichina spiralis. 

 Potassium. See cyanid, xanthog- 

 enate. 



Precipitins, 2 : differentiation of mon- 

 key blood from human blood. 



Pressure, blood. See blood. 



Prognostic sign, 35 : D : N (3.65 : 1) 

 ratio in diabetes. 



Propionitrile, 33 : toxicity, antidotes. 



Proteids, 26 : hemoglobin, recent 

 chemical investigations, relation to 

 cystin, histidin, pyrrol. 



Pupil. See adrenalin. 



Purin bases, 26 : relation to chromatin, 

 histidin. 



Pyrimidin bases, 9 : cytosin, thymin, 

 uracil — method of separating, ob- 

 tained from animal nucleic acid. 



Quebrachin, 17 : respiratory stimulant. 



Quinin derivatives, 34 : hydrochlor- 

 quinin, hydroquinin, oxyhydro- 

 quinin — therapeutic value, toxicity. 



Reduction, intracellular. See intracel- 

 lular. 



Reflexes : gastric secretion caused by 

 a reflex from the intestine, 15 ; sub- 

 cortical expressive — their spinal 

 pathways and relation to conscious- 

 ness, 30. 



Respiration experiments, 10 : phlorhizin 

 diabetes. 



Respiratory stimulants, 1 7 ; aspido- 

 spermin, atropin, caffein, cocain, 

 quebrachin, strychnin. 



Salicylate of sodium, 32 : effect on flow 

 of bile, and its elimination. 



Sciatic nerve, 19 : effect of ligation on 

 vital staining. 



Secretin, 42 : relation to biliary secre- 

 tion after injection of alcohol into 

 the stomach. 



Secretion. See alcohol, atropin, bile, 

 gastric juice, irritants, nicotin. 



Selection, sexual, 27 : in moths. 



Serous fluid, 28 : properties of serous 

 fluid of high molecular concentra- 

 tion. 



Serum : antihemolytic properties after 

 nephrectomy, 36 ; composition as 

 affected by hemorrhage, 43 ; effect 

 of bacteria on molecular concentra- 

 tion and electrical conductivity, 28 ; 

 effect of normal and pneumonic 

 serum on the heart, 41 ; immunized 

 chicken serum used to differentiate 

 monkey blood from human blood, 2. 

 See blood. 



Sexual selection. See selection. 



Shiga bacillus, 14 : agglutination ex- 

 periments. 



Shock, 31 : causes, centers involved, 

 effect of intravenous infusions of 

 alkaline salt solutions, experiment- 

 ally produced, pressure of blood, 

 symptoms. 



Smallpox organism, 16 : life history. 



Sodium. See carbonate, salicylate, 

 thiosulphate. 



Solids : increased in bile by inflam- 

 mation of bladder, 8 ; decreased 

 in blood and serum by external 

 hemorrhages, 43 ; in bile, 32. 



Specific gravity: blood, 21; serous 

 fluid, 28 ; urine, 20. 



Sphygmomanometer, 44 ■ portable. 



Spinal pathways, 30 : pain. See cord, 

 reflexes. 



Stains : adaptation of Borrel's method 

 for staining smallpox organism, 

 16 ; effect of ligation of sciatic 

 nerve on vital staining. See fluor- 

 escin, methylene-blue. 



Stimulants. See alcohol, respiratory. 



Stimulation. See nerves, Paramecium 

 caudatum. 



