201 



-19^9- 



cytes in serum after injection of S. typhi endotoxin or epine- 

 phrine only, 



570. DOMBA, E. and GABOR, T. 



Extraction of Hormones, Viruses, Toxins and Antitoxins (Trans, 

 title) 



Hung. Patent #139,965, Sept. 24, 19^9 



Pyrogens may be removed from bacterial and biological prepara- 

 tions by cyclic or heterocyclic acids. Removal with ETOH and 

 10^ BzOH is followed by cooling and filtration when room 

 temperatures are again attained. 



571. DORCHE, J. and BOUTHIER, G. 



Pyrogenes des solutions injectables (Pyrogens in injectable 

 solutions) 



Ann. pharm. franc. 7:267-276, 19^9 



The application and techniques of the pyrogen test of the U. S, 

 Pharmacopeia are discussed and modifications suitable for small 

 laboratories are suggested. 



572. ELLIS, P. A. GRANT, R. and HALL, V. E. 



Typhoid -paratyphoid vaccine and respiratory response to the in- 

 halation of carbon dioxide 



Am. J. Physiol. 158:16-20, 19^9 



The hypothesis is presented that pyrogenic substances may depress 

 respiration, and other neuronally mediated processes connected 

 with periodicity of breathing, at medullary or higher levels. 

 The inhalation of CO2 increased breathing, and no significantly 

 important alterations were produced by subsequent injection of 

 typhoid vaccine. Respiratory minute volume was increased in 

 anaesthetized animals, 



573. FELTON, L. Do 



The significance of antigen in animal tissues 

 J, Immunol. 61:107-117, 19^9 



In mice injection of 0,5 mg. of specific polysaccharide antigen 

 may produce immunologic paralysis extending through the normal 



