PERFUSION OF FROG S VESSELS 



459 



trite. Perfuse this through the \ r essels of tlie animal and 

 see how the outflow is affected. Empty the alkali solution 

 and place Ringer's solution in the funnel (or bottle) and 

 add one-half cubic centimeter of adrenaline solution 



Funnel, or 

 small pressure 

 bof-He 



Hook through 

 lower jaw 



Cannula In 

 one aorta 



Wash out 



Fig. 353. Arrangement of apparatus for perfusion of the vessels of a brainless frog. 



