xvi LIST OF PLATES 



PLATE FACING PAGE 



XVIII. A DISSECTION OF THE NERVOUS SYSTEM AND SENSE 



ORGANS OF THE DOGFISH .... 574 



XIX. Parts of the skeleton of the Dogfish . . 575 



XX. The abdominal cavity of a male Rabbit, after 



removal of the alimentary canal . . 586 



XXI. Bones of the Rabbit . . 587 



