vi List of Portraits. 



Slab of shale covered witli Dexolites gracilis, sp. nov. 87 



Section from Merrington Green to the river Perry, North Shropshire. 107 

 Section showing the relation of the Werf stream to re-assorted gravels 107 



Diagram of a glacier 175 



Section from the Belgian Coast to the Higher Ardennes 201 



Sections of Rhsetic beds near Audlem 203, 204 



Section of Strata at Cilfach Bargoed Colhery 216 



Supposed rib of Elephant 254 



Eough section of lower part of Millers Dale, Derbyshire ..... 268 

 Peninsula on which Pre-Historic dwelling was discovered near SeacliflF, 



Haddingtonshire 270 



Derry-clare and Ben Cor, as seen from Lough Inagh 311 



Hills of Silurian rock (Joyce County Hills), with long meteoric drift 



slopes 312 



Flat-bottomed lugs cut into the north side of the MuUrea Hills . . 314 



View of Wasdale Crag from the opposite side of Waadale 349 



Ce-phalaspis Dawsoni, Laukr. 397 



Machairacanthus sulcat'^xs 398 



Brachiopoda of Portlandian age (?), from the Eastern Counties "Drift" 412 

 Section from Folkestone to Foreness, Isle of Thanet : showing the 



divisions of Chalk strata 469 



Diagram to illustrate the case of an assumed fault, where only a natu- 

 ral boundary exists. . 476 



Section from Pacific Ocean to Andes across Santa F^ 501 



Section at Coronel, Chile 501 



Section at the Lota Coal-Mines, Chile. 502 



Sketch of part of the Chilian Coast 506 



Section of Coal-bearing Beds at Lota, Chile 507 



Sections in TidesweU Dale 521, 522 



Plan of the Stagno di Biguglia, near Bastia 551 



Ideal Section of the Stagno di Biguglia, near Bastia. 551 



Eastern Face of Gibraltar : Section of Gibraltar 552 



Low CliflF, Tangier Bay 553 



Cyclus Jonesianus, sp. nov. Dorsal and side view 558 



Figures of Larva of a Recent Land-crab 560 



New Forms of Brachiopoda from the Lower Greensand of Upware . 563 



LIST OF POKTEAITS. 



Rev. Adam Sedgwick, M.A., LL.D., F.R.S., etc 145 



George Poulett Scrope, Esq., F.R.S., F.G.S., etc 193 



Professor John Phillips, M.A, D.C.L., LL.D., F.R.S., etc 301 



