LIST OF PLATES. 



PAGE 



" I. Eemains of Ornithocheirus (Seeley), Upper Greensand, Cambridge 13 



*' II. Escharoid Forms of Oolitic Polyzoa 25 



''III. Corallian Gasteropoda, Yorkshire 49 



•-IV. Ditto ditto ditto 121 



^ V. Upper Silurian Brachiopoda 145 



" VI. Zenaspis Salweyi (Egerton sp.) 193 



*■ VII. Ideal Section across Ocean Basin 289 



"'VIII. Section of the Cliff at Bridlington Quay 537 



*' IX. Palaeozoic Ostracoda 336 



V X. Ditto ditto 337 



" XI. Gasteropoda from the Portland Rocks 385 



>^ XII. Archmopteryx macrura, Owen, in Berlin Museum 454 



''XIII. Somalonotus Champernownei, H. "Woodward 489 



" XIV. New British and Foreisrn Crustacea 529 



