EXPLANATION OF THE PLATES. 



Plate Page 

 J r Teeth and Jaw op Dacrytherium, to illustrate Mr. E. Lydekker's 

 ■[ ipaiper on Dacrytkei^ium ovinum 1 



jy f Lepidodiscus Milleri, sp. nov., to illustrate Messrs. Gr. Sharman 

 '[ and E, T. Newton's paper on that fossil 150 



jjj f North Italian Bryozoa — Cyclostomata. to illustrate Mr. A. W. 

 ■[ Waters' s paper on those fossils 153 



y Y / Archjeopneustes and Asterostoma, to illustrate Mr. J. W. 

 * \ Gregory's paper on Archcsopneustes abruptus 163 



Y / Olenellus, to illustrate Messrs. B. N. Peach and J. Home's 

 ' \ paper on the Olenellus-zone in the North-west Highlands 227 



Map illustrating the sequence of the ' Cambrian ' Rocks of 

 VI. "j Caernarvonshire, to accompany the Rev. J. F. Blake's paper 



on those rocks 243 



f Sections illustrating the occurrence op the Raised Beaches 

 VII. \ AND * Head ' or Rubble-drift in the South of England ; and 



VIII I ^^^ illustrating the same occurrence, to accompany Prof. J. 



'1 Prestwich's paper on those deposits 263 



(Minute Structures in Devonian Limestone, to illustrate Mr. 

 Edw. Wethered's paper on the Microscopic Structure and 

 Residues insoluble in Hydrochloric Acid in the Devonian 

 Limestones of South Devon 377 



y- /Diagram- SECTIONS across the Gold-bearing Beds of the 

 ' \ Southern Transvaal ; and 



(Geological Sketch-map of the Witwatersrandt Gold-fields, 

 to illustrate Mr. Walcot Gibson's paper on the Geology of the 

 ^ Gold-bearing and Associated Rocks of the Southern Transvaal. 404 



