622 



SYNOPSIS OF ANIMAL KINGDOM. 



II. SAUBOPSIDA. 



1. REPTILIA. 



Chelonia. 



Plesiosauria. 

 Lacertilia. 



Ophidia. 



Ichthyosauria. 

 Crocodilia. 



Anomodontia. 



a. Placodontia. 



b. Endothiodontia. 



c. Cryptodontia. 



d. Kliyiiclioceplialia. 



e. Dicynodontia. 

 /. Theriodontia. 



Dinosauna (or 



Ornithoscelida). 

 Pterosauria (or 

 Ornithosauria). 



Chelone (Tuetle), Emts, Testudo (Toetoise), 



Tkiontx, Pleiirosternon. 

 "^Elasmosaurus, Plesiosaurus, Pliosaurus. 

 Lacerta (Lizard), MaceUodus, Mosasaiirus, Pro- 



terosaurus, Saurillus, Telerpeton. 

 Crotalus (Kattlt'snake), Python, Pelias, Tkopi- 



DoxoTus, Palmophis, Paleryx. 

 IchtJujosaurus, '^'Eosaurus. 

 Alligator, Ckocodilus, GoniophoUs, Stagonolepis, 



Steneosaurus, Teleosaurus. 



^Placodus. 



"^-Endothitidon. 



"^'Oiidenodon. 



Sphenodon (Hatteria) Hijperodapedon, Rhyncho- 



saurus. 

 "^'Dicynodon. 



'^'Ci/nodracon, '^'Cynosuchiis, "^Gorgonops. 

 Ceteosaurus, JTykcosaurus. Hypsilophodon, Iguano- 



don, Ulegalosaurus, Thecodontosatirus. 



Dimorphodon, Pterodadylus, Rhamphorhjnchus. 



2. AVES. 



"^ArchcEopteryx. 



'^'Hesperornis. 



^'Icldhyornis. 



Emeu, Rhea, ^Struthio (Ostrich), *Apteetx, 

 "^"^piornis, Dasornis, ^Dinornis, Gastornis ? 



Passer (Sparrow), Anser (Goose), Lartjs (Gtjli), 

 Argillorms, *Laornis, Lithornis, ^'Palceo- 

 tringa, Pelagornis, Odontopteryx. 



[Prof. A. Newton (Encyclop. Brit. td. 9, vol. xviii. p. 44) disallows the existence 

 of Vdontornithes as a taxonomic group, and refers Hesperornis and Ichthyornis, with 

 their seyeral allies, to the Hatitce and Cannatce respectively.] 



Saururse. 

 Odontornithes. 



a. Odontolcse. 

 l>. Odontotormse. 

 Ratitae. 



Carinatae. 



