628 



Page 

 Chapter II. Gases contained in the blood at different barometric 



pressures ' 581 



Subchapter 1. Operative methods and experimental discussion __. 581 



Subchapter 2. Blood gases under pressures less than one atmos- 

 phere 594 



1. Experimental set-up 594 



2. Experiments - 600 



Subchapter 3. Blood gases under pressures greater than one 



atmosphere 615 



1. Experimental set-up 615 



2. Experiments - 618 



Subchapter 4. Blood gases in asphyxia compared to decreased 

 pressure ■-— 



Subchapter 5. The quantity of oxygen which the blood taken 

 from the vessels can absorb at different barometric 

 pressures 641 



1. Pressures lower than one atmosphere 643 



2. Pressures greater than one atmosphere 654 



Chapter III. Phenomena presented by animals subjected to pressures 



less than one atmosphere 660 



Subchapter 1. Symptoms of decompression 661 



1. Respiration _' 666 



2. Circulation 669 



3. Digestion 672 



4. Nervous and muscular effects 673 



5. Nutrition 675 



Chemical phenomena of respiration. Urinary excretion. 

 Sugar of the liver and blood, glycosuria. Temperature. 

 Development. 



6. Lower limit of pressure 685 



7. Death 687 



Subchapter 2. Comparison of the phenomena of decompression 



with those of asphyxia in closed vessels 689 



Subchapter 3. Means of warding off the symptoms caused by de- 

 compression 694 



Chapter IV. Action of compressed air on animals 709 



Subchapter 1. Toxic action of oxygen at high tension 709 



2. The diminution of oxidations caused by oxygen poisoning 743 



3. Aquatic or invertebrate animals 751 



Subchapter 2. Action of compressed air at low pressures - 754 



1. Short stay in compressed air 756 



A. Experiments made upon myself 756 



XXV 



