AND ITS EFFECTS UPON ANIMAL LIFE. 



No. 15. BROWN-SltQUARD EXPERIMENT. 



Commenced 12 m., April 2, 1894. Mice in 7-litre bell jars. 5 in series. 



69 



Remarks. 



2 litres aspirated. 



Leakage. 



5.0 litres aspirated. 

 5.5 litres aspirated. 

 17 litres aspirated. 

 19.5 litres aspirated. 

 Current increased. 

 109 litres aspirated. 



142.5 litres aspirated. 

 142.5 litres aspirated. 



All somewliat op- 

 pressed. 183 litres as- 

 pirated. 



185 litres aspirated. 



All con.siderably op- 

 pressed. 



Current increased ; 



189.5 litres aspirated. 

 j4// much oppressed. 

 All quite lively ; 367 



litres aspirated. 

 All absorbers renewed. 



All absorbers 

 poorly. 



actmg 



373 litres aspirated. 

 Current slightly in- 

 creased. 



Nos. 2, 3, 4, and 5 dead ; 

 382 litres aspirated. 



Experiment stopped. 



Examination of air after 

 death of mice. 



