THE NITRITE SERIES. 141 



EXPERIMENT No. 2. 

 Report of Amyl Nitrite on a cat: 



EXPERIMENT No. 3. 

 Nitroglycerin, 0.5 mg. hypodermic. Rabbit: 



EXPERIMENT No. 4. 

 Kymograph record: Amyl Nitrite. Cat: 



EXPERIMENT No. 5. 

 Kymograph record: Nitroglycerin. Cat: 





