298 THE CIRCULATION OF THE BLOOD 



ssHenderson, Y., and Haggard, W. H.: Jour. Biol. Chem., 1918, xxxiii, 333, 345-355- 



365 (gives older references). See also Macleod, J. J. E. : Jour. Lab. and Clin. 



Med., (editorial), 1918, iii. 

 ssShort, Kendel: Lancet, London, 1914, p. 131. 

 3*Mann: Jour. Am. Med. Assn., 1918, Ixx, 611. Also Boston Med. and Surg. Jour., 



1917. 

 35Cannon, W. B.: Papers by Cannon and Collaborators in Jour. Am. Med. Assn., 1918, 



Ixx, 520, 526, 531, 611, 618. 



seporter, E. L.: Proc. Am. Physiol. Soc., Am. Jour. Physiol., 1916, xlii, 606. 

 3?Wiggers, C. J., and Dean, A. L. : Am. Jour. Physiol., 1916, xlii, 476; Am. Jour. 



Med. Sc., 1917, clii, 666. 



