LIST OF PLATES. 



PLATE PACING PAGE 



I. Portrait of Dr. A. Smith Woodward . . . . . . 1 



II. Pyrgocystis sardesoni, Bather . ... . . . .10 



III. Pyrgocystis graycz, P. ansticei ....... 60 



IV. Schlotheimia greenoughi, J. Sowerby, sp. .... 97 



V. Skeleton of Ophthalmosaurus icenicus ..... 145 



VI. Sections of Intrusive Bock, Marston Jabet .... 198 

 VII. Portrait of Dr. Aubrey Strahan . . . . . . .193 



VIII. Sections showing crystals of Chiastolite, Marston Jabet . . 193 



IX. Map showing Geology of North- West Angola . . . . 228 



X. Microphotographs of Detrital Minerals, Suffolk 'Box-stones ' . 259 



XI. Alkaline Igneous Bocks, North-West Angola . . . . 272 



XII. Skeleton of Myotragus balearicus, Bate, Majorca . . . 337 



XIII. Geological Map of Country around Cardiff .... 385 



XIV. Sketch-map showing rocks of Carlisle Basin .... 416 

 XV. Labechia rotunda, L. conferta , . . . . . 433 



XVI. Portrait of Professor Watts 481 



XVII. Cretaceous Cheilostome Polyzoa .' 503 



XVIII. Portrait of Dr. Charles Callaway 525 



