CONTENTS 
Introduction . . 
Introductory embryology . . 
Histology. an 
Epithelial tissues 
Nervous tissues. 
Muscular tissues 
Connective tissues 
Comparative morphology of vertebrates 
Integument 
Skeleton . 
Dermal skeleton. 
Endoskeleton 
Vertebral column 
Ribs 
Sternum 
Episternum 
Skull 
Skull of cyclostomes . . ig. 
Skull of elasmobranchs 
Skull of teleostomes 
Skull of amphibia 
Skull of reptiles 
Skull of birds... . . 
Skull of mammals : 
Appendicular skeleton . 
Median appendages 
Paired appendages. 
Shoulder girdle 
Pelvic girdle 
Free appendages 
Coelom (body cavities) : 
Muscular system 
Parietal muscles 
Visceral muscles 
Dermal muscles 
Diaphragm ...-.. . 
Electrical organs 
Nervous system. . . 
Central nervous system. ..... 
Spinalcord ........, 
