LIST OF PLATES. 



PLATE PAGE 



1^ I. A Faulted Slate 1 



^ II. Ctenacanthus costellatiis, Traquair, Carboniferous, Eskdale. ... 8 



^ III. Oxfordian and Lower Oolite Gasteropoda (Yorkshire) 49 



^ IV. M » „ 107 



*^ V. Megalichthys laticeps, Traquair, Carboniferous 121 



^ VI. Oxfordian and Lower Oolite Gasteropoda (Yorkshire) 146 



•-VIL „ „ „ 193 



•rVm. „ „ „ 241 



^ J.JL. ,, ,, ,, . . • • • Ji^xy 



' X. ArehcBastaciis {Eryon) JF-j^^ewossM, Spence Bate, Lias 307 



•- XI. Australian Fossils 337 



''XII. Carboniferous Entomostraca, Nova Scotia 357 



* XIII. Caudal Segments and Valves of Hchinocaris 393 



fe XIV. Head of ihe Beilm A)-ch(eopte>yx . . . 419 



l' XV. Viverra Hastingsm, Davies, Eocene, Hampshire 433 



- XVI. Carboniferous Trilobites 48.5 



*" XVII. British Eocene Aporrhdidce 529 



