LIST OF PLATES. 



plate To face Page 



I. ArcliEEopteryx inacrurus Frontispiece 



. II. Didymodon Vauclusianum, Eqims macroglia thus, and Equus 



Devillii . 8 



III. Equus Chilensis, Equus macrognatlius, Eqxius Devillii, Holoptychius 



and Glyptolepis Scales 28 



IV. Map of the Greensand Sea 50 



V. Coal-Measure Mountains of Arigna Valley 81 



VI. Map of Arigna Coal-fields .............. 85 



■ VII. Parallel Eoads of Glen Eoy ......... . ... 121 



VIII. Upper Chalk Cliffs of Kingsdown 151 



IX. Ptychodus polygyrus 161 



- X. Ammonites varians and Pleurotomaria perspectiva 197 



XI. Hippie- drift, Structure in Mica-schist 201 



^ V XII. Hybodus Dubrisiensis, N.8 211 



? - XIII, Dolichosaurus longicollis 267 



XIV. Foraminifera from the Chalk of Kent 231 



XV. Map of Wealden Area of Kent, Surrey, and Sussex 281 



XVI. Ideal Section of La Saleve 321 



XVII. Section of the Brezon . 326 



XVIII. Echinothuria floris, n.s 330 



XIX. Sphenopteris flavicans . . . ..... . . . 361 



XX. Stricklandia acuminata 395 



XXI. Cretaceous Terebratulse ; and Pachyrhizodus glyphodus, n.S. . . 401 



XXII. Fossil Birds ; Facsimiles from Mylius, Hermann, and Bitter . . . 415 



XXIII. Fossil Birds ; Facsimiles from Kircher and Buttner 445 



XXIV. Fossil Birds ; Facsimiles from Wolfart, Kircher, Betzius, and Bitter 450 



