946 . Experiments 



blood must increase considerably in these circumstances, which 

 could not fail, if the circumstances continued for some time, to 

 exercise a considerable influence on the state of health of the ex- 

 perimental animal; we shall return to this last point when in the 

 third part of this work we study the conditions of life of dwellers 

 in high places. 



1 Lecons sur la physiologic comparee de la respiration, page 521. 



2 In these lines, as in those of Figure 75, the volume of the gas was not reduced to 0°. 



3 Lecons sur la respiration, p. 431. 



4 Bull, de la Sociite philomatique, 186), p. 13. 



» See the recent work of J. Boehm, Ueber den Einfluss der Kohtensaiire auf das Ererunen 

 und IVachstum der Pftansen. (Zitzb. der k. Akad. der Wissensch., LXVIII Bd. Wien. 3873. 

 n-L* -. ege £ Dt '. Etudes dh&motoltgie paVwlugique basics sur I' extraction deSga£ da saw* 

 Iheses de Paris, 1875. * ■ 



