320 SYNOPTICAL VIEW. 



Stem V. MOLLUSCS, with CLASSES: BRYOZOANS, BRACHIOPODS 

 (pp. 182. 193, 234), LAMELLIBRANCHS (pp. 234, 193), OAS- 

 TEROPODS (pp. 195, 234), CEPHALOPODS (p. 187). 



Stem VI. ARTHROPODS, with CLASSES: CRUSTACEAN, including OR- 

 DERS: TRILOBITES (p. 191), and MEROSTOMES (p. 239); 

 ARACHNIDS (p. 178), MYRIAPODS (p. 178) and INSECTS. 



Stem VII. VERTEBRATES. 



CLASS I. FISHES, with ORDERS: TELEOSTEANS common bony 

 Fishes; GANOIDS (p. 236), PLACODKRMS (pp. 183, 236), ELAS- 

 MOBRANCIIS, including Sharks and Rays. 



CLASS II. AMPHIBIANS (p. 176), with ORDERS: URODELES. Sal- 

 amanders ; BATRACHIANS, Frogs and Toads ; ^ABYRINTHO- 

 DONTS (pp. 177, 247). 



CLASS II I. REPTILES (p. 260), with ORDERS: CIIELONIANS, Tur- 

 tles; PLESIOSAURS (p. 251), LIZARDS; PYTHONOMORPHS, Sea 

 Serpents; SERPENTS; ICHTHYOSAURS (p. 251), CROCODILIANS 

 (p. 248) ; PTEROSAURS (p. 257) ; DEINOSAURS (pp. 247, 251). 



CLASS IV. BIRDS, with Sub- Classes; Toothed Birds (p. 261); 

 Jtunning Birds (p. 262) ; and Flying birds (p. 262). 



CLASS V. MAMMALS, With Sub- Classes: Ornithodelph*; IH- 



delplis (p. 252) ; and Monodelphs, including ORDERS: EDEN- 

 TATES (p. 285); SIKENIANS, Manatee; CETACEANS, Whales, 

 Dolphins, Zeuglodon (p. 165) ; HYRACOIDS ; PROBOSCIDIANS 

 (p. 156) ; AMBLYPODA, embracing Dinoceras (p. 256), Uinta- 

 therium (p. 257), Coryphodon (p, 256) ; CLINODACTYLA, in- 

 cluding Rhinoceros (p. 257), Tapir (p. 257), Rrontotherium 

 (p. 257), Horse (pp. 256 263) ; Hippopotamus, Oreodon 

 (p. 257); Camel, Sheep, Ox; TILLODONTS, TiUotherium 

 (p. 256) ; CARNIVORES, including Pinnipeds, Seals, Planti- 

 grades (p. 255), Digitigrades (pp. 255, 257) ; RODENTS, 

 CHEIROPTERS, INSECTIVORES, Moles; QUADRUMANES, with 

 suborders : Lemurs, Tailed Monkeys, Anthropoids ; Bi- 

 MANES, Man. 



