I 



An&hfa of the Air. 



*3^ 





I :;r | 



mi 



mm 



mm 

 dm 







air in the glals vcfl'cl 'Zk «ty. NHro actio, 



p. 104- 



I placed on the pcdeftal, under the inver- 

 ted glafs S z a a, (Fig. 3 5-) a full grown 

 2&0. At fir ft the water lubfided a little, 

 which was occafioned by the rarifadion of 

 the air, can fed by the heat of the Animal's 

 body. But after a few minutes the water 

 be^an to rife, and continued fifing as long 

 as the Rat lived, which was about 14 hours. 

 The bulk of the Air in which the Rat 

 lived fo many hours was 2024 cubicle inches; 

 the quantity of elaftick air which was ab- 

 forbed was 73 cubick inches, above fi part 

 of the whole, nearly what was abforbed 

 by a Candle in the fame vciTel, in Experi- 

 ment 106. 

 I placed at the fame time in the fame 



manner another almoft half grown Rat 

 under a vclTel , whole capacity above the 

 furface of the water zz (Fig. 3 5.) was but 

 594 cubick inches, in which it lived 10 

 hours 3 the quantity of elaftick Air which 

 was abforbed, was equal to 45 cubick 



inches , 



vt 



r-O* 



, A 3 part of the whole air , 



which the Rat breathed in : A Cat of 3 

 months old lived an hour in the fame re- 



ceiver, 



j 







• 







