CHANGES PRODUCED IN AIE BY RESPIRATION. 



203 



periment was 84, the thermometer under his tongue 98°: 

 after the experiment his pulse was 96, and the thermometer Effects. 

 under fits tongue still 98° ; the same gentle glow and pep- 

 spi ration was felt as in the other experiments on oxigen ; a 

 portion of the gas was saved from each of the mercurial 

 gasometers, and their amounts were as under: 



196 



228 

 284 

 294 

 248 

 280 



7- 

 8. 

 9. 



10. 



11. 



12. 



258 



250 

 304 

 223 

 223 



Results. 



;o6o 



No. 1, tried by itself, contained in 100 parts, 



9 carbonic acid, 

 22 azote, 

 69 oxigen, 



State of the 

 expired aw» 



100 



No. 12, the last, contained in 100 parts, 



12 carbonic acid, 

 5 azote, 

 83 oxigen, 



100 



On account of an accident we cannot give the proportions' 

 contained in 2 to 10; but the contents of the first and last 

 gasometers confirm the former experiments, and shows that 

 the proportion of azote continues to diminish, as the expe- 

 riment proceeds; and also that there is a larger proportion 

 of carbonic acid given off when oxigen is employed, instead 

 of atmospheric air. 



In this recital of experiments, which have occupied a con- Leading facts. 

 siderable portion of time and attention, we have endeavoured 

 to give a plain statement of facts, from which every one may 

 draw conclusions for himself; we shall here, however, take 

 the liberty of briefly recapitulating the principal of those 1 



facts, 



