CONTENTS. 

 PART I. 



PRELIMINARY EXERCISE. 



PAGE 

 Assignment of Tables and Permanent Apparatus . . 33 



EXPERIMENTS. 



I. Ether. (Action on the Central Nervous System. Cerebrum.) . . 53 

 Chloroform. (Action on the Central Nervous System. Optic 



Lobes.) 55 



Ether, Ethyl Chloride, Chloroform, Ethyl Bromide. (Irritability 



and Conductivity of Nerve.) 57 



Ethyl Chloride. (Local Anesthesia.) 64 



II. Ether. (Action on the Heart. Dissection for the Vagus Nerve 



in the Frog.) 65 



Chloroform. (Action on the Frog's Heart.) 70 



Chloroform. (Action on Lymph Hearts.) 70 



III. Turtle: Vagus Dissection. (Action of Ether on the Heart.) . . 71 

 Chloroform. (Action on the Turtle's Heart.) 76 



IV. Ether, Chloroform, Ethyl Bromide. (Dog: Respiration, Blood- 



pressure, Cervical Vagi, and Sympathetics.) 77 



Anesthetization of the Animal 77 



Insertion of Tracheal and Carotid Cannulas; Isolation of Vagi 



and External Jugular Vein 85 



Insertion of Femoral Injecting Cannula ; Dissection of Femoral 



Artery and Vein and Saphenous Nerve 93 



Recording Blood-pressure 96 



Recording Respiration . 97 



Adjustment of Writing Points 98 



Other Methods of Recording Respiration 98 



Beginning of the Records 99 



V. Ether, Chloroform, Ethyl Bromide. (Dog: Motor Areas, Blood- 

 pressure, Blood, Heart.) 103 



Dissection of Pulmonary Artery and Vein 112 



VI. Nitrous Oxide, Carbon Dioxide, Oxygen. (Frog: Central Nervous 



System.) 113 



VII. Nitrous Oxide, Ethyl Chloride, Carbon Dioxide, Increased Atmos- 

 pheric Pressure, (Decreased Atmospheric Pressure.) (Frog, 



Guinea Pig, Rat, Kitten, or Pup.) 117 



Paul Bert's Experiment 120 



