vi CONTENTS. 



PAGE 



StTB-OBDEK VIII. — ACANTHOPTEKTGII 181 



Sub-Okdbe IX. — Hypostomides 262 



Stjb-Okdek X. — Rhbgnopteei 262 



SUB-OEDEE XI. — DiSCOCEPHALI 263 



Sub-Oedee XII. — T^jTiosoMi 265 



Sub-Obdee XIII. — Xenopteeygii 267 



Sub-Okdbr XIV. — Anacanthini 267 



Sub-Oedee XV. — Heteeosomata 275 



Oedee VIII. — Hemibkanohii 280 



Okdek IX. — Lophobbanchii 285 



Sub-Order I. — Solen ostomi 285 



Stib-Oedbe II. — Synonathi 285 



Obdee X. — Plectogstathi • 286 



Sub-Order I. — Sclbeodermi 287 



Sub-Oedee II. — Osteacodeemi 288 



Sxib-Oedee III. — Gymnodontes 289 



Oedee XI. — Pediculati 292 



Class VI. —DiPKOi . 299 



Order I. — Monopneumonia 300 



OeDEK II. — DlPNETJMOIflA 300 



Class VII. — Batrachia 301 



Orders I.-IV. — Extinct Forms 303 



Order V. — Protbida . 305 



Order VI. — Trachystomata 306 



Order VII. — Urodela 307 



Order VIII. — Gymnophiona 317 



Oedee IX. — Antjra 317 



Stjb-Oedee I. — Aglossa 322 



Sub-Order II. — Arcifera 326 



Sub-Ordee III. — Gasteechmia 339 



Sub-Oedee IV. — Fiemisteenia 339 



Class VIII. — Reptilia 345 



Oedee I. — Ophidia 348 



Sub-Oeder I. — Opoteeodonta 352 



Sub-Oedee II. — ColubeifoejAa 353 



Sub-Order III. — Protbroglypha 376 



Sub-Order IV. — Solenoglypha 388 



Order II. — Pythonomorpha 402 



Oedee III. — Laceetilia 405 



Oedee IV. — Chelonia 440 



Oedee V. — Ehyncocephalia 456 



Oedee VI. — Ichthyopteeygia 457 



Oedee VII. — Theeomoepha 457 



Oedee VIII. — Saueopteeygia 458 



Oedee IX. — Ceooodilia 459 



OeDER X. — DiNOSAURIA 464 



Oedee XI. — Ornithosaueia 467 



