﻿ill 



EXPLAK^ATIOX OF THE PLATES. 



Plate Page 



/^Polished and Ice-Scratciied Boulder from the'' 

 Cambrian Till of Petersburg (South Aus- 

 tralia) ; Gorge of the River Sturt in Cambrian 

 Till ; views op Cambrian Till in the Sturt- 

 EiVER Gorge, one including a big subangular 

 Boulder of Quartzite with transverse frac- 



XIX-XXYI { TURES ; VIEAVS OF CHARACTERISTIC CaMBRIAN TiLL ^ 234 



I in Waterfall Creek, Baroota, Flinders 

 Ranges, one including a big angular Erratic 

 I OF Quartzite ; and section in Blackwood 

 I Railway-Cutting ; to illustrate the Rev. W. 

 I Howchin's paper on Glacial Beds of Cambrian. 

 I, Age in South Australia J 



/^Pillow-Lava of Pentire (Cornwall); and the"*, 



XXVII t i SAME, showing Central Cavity of a Pillow, to | 



XXVTir ^ illustrate Mr. C. Reid's & Mr. H. Dewey's paper y 264 



I on the Origin of the Pillow-Lava near Port | 



i Isaac in Cornwall J 



XXIX-XXXII 



Microscope-sections of Igneous Rocks from ^ 

 St. David's Head, to illustrate Mr. J. V. I 

 Elsden'spaper on the St. David's-Head ' Rock j 



Series ' (Pembrokeshire) 



273 



/'Cleavage produced by the Second Earth-Move-"^ 

 XXXTTT t i ment in the north-east of Colonsay ; and | 

 XXXTV" ^ microscope-sections of Phyllites from that y 297 

 I island, to illustrate Mr. VV. B. Wright's paper | 



l^ on the Two Earth-Movements of Colonsay 



{Sketch-map op part of Western Liberia, to 

 illustrate Mr. J, Parkinson's paper on the 

 Petrology & Physiography of that region 



313 



["Map showing the six sections of the River Wey"] 



XXXVI & J WHICH lie within the Wealden Area; and I o-io 



XXXVII 1 Map of the Alton District, to illustrate | ^ 



[^ Mr. H. Bury's paper on the River Way J 



,^ Brook Valley entering Glyme Valley & Mouth"^ 



I OF DRY Valley entering the former; the i 



XXXVIII t Glyme, with Soakage-Bowl at the Dorn Junc- ' 



& •{ tion (Wootton), & the Glyme Valley, flooded, }- 



XXXIX to illustrate the Rev. E. C. Spieer's paper on 



! Solution-Valleys in the Glyme Area (Oxford- | 



l^ shire) J 



335 



XL & XLI 



(Upper and Palatal Aspects of Skulls of Metrio-') 

 hhrxcmus bbachyuhj-xchrs, from the oxford i 

 Clay, near Peterborough, to illustrate Mr. E. | 

 T. Leeds's paper on that fossil J 



345 



f Maifsokia j/iA'OiJ, sp. nov ; and Lfpidotvs'] 

 I SorzAi, sp. nov. & Scombroclvtea scvtata, sp. | 

 XLII & XLIII-( nov., to illustrate Dr. A. S. Woodward's paper y 

 I on Fossil Fislips from the Cretaceous Formation | 

 I, of Ilhecs (Bahia) J 



358 



