70 



THE COMPOSITION OF EXPIRED AIK 



No. i6. Brown-S^quard Experiment. 



Commenced at lo a.m., April 9, 1894. Mice in 7-litre bell jars. 5 in series. 



No. I. 7g- 



Time. 



7i hrs. 



311 



47 " 



CO.. I O. 



No. 2. 15 g. 



CO.. O. 



No. 3. 18 g. 



CO,. 



O. 



Remarks. 



16.317 



+ 



3.80 



»3-30 



+ 



4.02 12.05 



7.5 litres aspirated. All 

 oppressed. Current in- 

 1 creased. 

 ' 81.5 litres aspirated. 

 ' Current reduced. 



86 litres aspirated. All ex- 

 i cei)t No. I oppressed 

 I Current increased, 

 -f- 90.5 litres aspirated. Nos. 

 3, 4, and 5 died in night. 

 The experiment stopped. 

 5.437! Examination of air after 

 death. 



