AND ITS EFFECTS UPON ANIMAL LIFE. 



49 



CHART I.— Showing Rklaiivk Proportions of CO3 and of O, and tiii-, Kki.ativk Durahon ok Lifk in the 



EXPF.RIMENTS IN CLOSED VESSELS. 



Key i 



r Represents relative per cent, of CO^ at close of exp. 



— X— X— " " " " O 



I o — o — ■ " 



duration of life, 

 room temperature. 



Chart I. shows the relative duration of life, the relative proportions of COj and of O at death 

 of the animal, in the experiments with animals in closed vessels containing atmospheric air. 



CH.\RT II. — Showing Relative Dur.4.tion of Life, Proportions of N and O at Beginning of Experiments, 

 WITH thf. Temperature of the Atmospheres in the " Richardson " Experiments. 



Key 



Represents relative per cent, of N. 



— X— X— X " " " " " o. 



duration of life, 

 temperature in the flask. 



Chart II. shows the relative duration of life, the relative proportions of N and of O at the 

 beginning of each of the " Richardson " experiments, also the temperature curve for the entire 

 series. 



