ACTION OF ALCOHOL UPON CIRCULATION— WOOD AND HOYT. 



53 



employed, since it may well be that the amount of active principle in the leech is lessened by the 

 transportation across seas and the necessary long keeping. 



The stromuhr used in these experiments was connected with the carotid artery and the 

 jugular vein on the same side of the neck in the ordinary manner. Morphia was used in suffi- 

 cient amount to keep the animals perfectly quiet during the experiment. Ether was also admin- 

 istered during the insertion of the stromuhr, time being afterwards allowed for the influence of 

 the ether to be entirely dissipated before the stromuhr norm was taken. The alcohol was given 

 intravenously. The experiments were as follows: 



In the details of the experiments the record of time during the experiment is in minutes, 

 that of the filling of the stromuhr in seconds. The alcohol used was always 25 per cent. 



Experiment 16. 



Experiment IT. — Wt ight of dog, 8.05 kilograms. 



