352 Historical 



mental control; that still others, and among them the one which 

 seems to us to have the firmest foundation, that of anoxemia, can 

 bring conviction only by the aid of the supreme judge: experi- 

 mentation. 



1 Comptes rendus de V Academic des sciences, vol. XX, p. 1502; 1845. 



-Journey from Quito to Cayambe.—Joumel roy. geogr. Soc, vol. XXXI, p. 184-190, 1861. 



3 Etude de I'Jnfluence dc I'altitude sur la frequence des battements du coeur. Bulletin de 

 la Societe vaudoise des sciences naturelles, vol. XIII, p. 391-399, 1873. 



1 De I'influence de I' effort sur les organes renfermes dans la cavite thoracique. — 'Paris. 

 1820. * 



5 P. Bert, Lecons sur la physiologic de la respiration. Paris, 1870, p. 381-389. 



a Lecons, etc., p. 129. 



I 



