TABLE OF CONTENTS. 



PAGE 



Sub Class I. Myzontes 556 



Sub Class II. Petromyzontes 557 



Class II. Pisces 557 



Sub Class I. Elasmobranchii 569 



Order I. Selachii 570 



Order II. Holocephali 572 



Sub Class II. Ganoidei 572 



Order I. Crossopterygii 573 



Order II. Chondrostei 573 



Order III. Holostomi 573 



Sub Class III. Teleostei 574 



Order I. Physostomi 575 



Order II. Pharyngognathi 576 



Order III. Acanthopteri 577 



Order IV. Anacanthini 577 



Order V. Lophobranchii 578 



Order VI. Plectognathi 578 



Sub Class IV. Dipnoi 579 



Class III. Amphibia 580 



Order I. Stegocephali 586 



Order II. Gymnophiona 587 



Order III. Urodela 587 



Order IV. Anura 588 



Series II. Amniota 588 



Class I. Reptilia 588 



Order I. Theromorpha .. . . 594 



Order II. Plesiosauria 594 



Order III. Ichthyosauria 594 



Order IV. Chelonia 594 



Order V. Rhynchocephalia 595 



Order VI. Dinosauria 595 



Order VII. Squamata 596 



Order VIII. Crocodilia 601 



Order IX. Pterodactylia 602 



Class II. Aves 603 



Order I. Saururae 612 



Order II. Odontornithes 612 



Order III. Ratitae 612 



Order IV. Carinatse 613 



Class III. Mammalia 617 



Sub Class I. Monotremata 631 



Sub Class II. Marsupialia 632 



Order I. Polyprotodonta 633 



Order II. Diprotodonta 633 



Sub Class III. Placentalia 634 



Order I. Edentata 635 



Order II. Insectivora 636 



Order III. Chiroptera 637 



Order IV. Rodentia 638 



Order V Ungulata 639 



