TA B LE I' CONTEXTS, 



Preface 



List of wood-ci ts 



Tkcr. 

 iii 

 ix 



CHAPTER 1. 



ANATOMY OF THE RESPIRATORY APPARATUS or < I1ELONIA 



Introductory remarks ...... 



Anatomical history ...... 



Dissertation on the respiration of the tortoise, by Robert Townson 



Bojanus, "Anatomia Testudinis Europseae" 



Cuvier on respiration in turtles .... 



His criticism on Townson .... 



Dumeril and Bibron, "mechanism of respiration in chelonians" 

 Anatomy of respiratory organs in chclydra serpentina 

 Hyoid bone, description of 

 Laryngeal cartilages ..... 



Trachea ...... 



Relations of lungs . . . . 



Absence of striated muscular fibre in lungs 



Chelydra serpentina, the typical turtle of our researches 



General plan of respiratory apparatus . 



Respiratory myology ..... 



Peculiarities of, in different genera 

 Chelydra serpentina, description of 

 Respiratory act .... 



Expiratory muscle 



Dissection to expose the muscle of expiration 



Appearance of expiratory muscle 



Origin and insertions of the anterior and posterior bellies of 



Tendon of 



Relation of this muscle to the lungs 



Inspiratory muscle . . . . ■ 



Position of • 



Dissection to expose it 



Description of . 



Its muscular fibres 



Origin and insertion of 



Centra] tendon ...... 



Homologue of Poupart's ligament 

 Relation of inspiratory muscle to expiratory muscle 

 Glottic muscles ... 



Crico-arytenoid ..■••• 



2 



r, 



T 

 7 

 S 

 8 





 

 



10 



in 

 in 

 in 

 in 

 l" 

 hi 

 II 

 1L 

 II 

 I."? 

 13 

 13 

 13 

 13 

 13 

 13 

 13 

 13 

 13 

 14 

 14 



