List of Figures in Text. 



XI 



Stenomylus 



gracilis. 



Diagram of skull . 





. 287 



:: 



i < 

 < < 



Fourth cervical vertebra. 



Fifth 



Sixth 



Left side 



< < < < 



< < < < 



. 288 

 . 288 

 . 289 



< < 



" 



« C < ( < ( 



Anterior view. 



. 289 





