EXPLANATION OF THE PLATES. 



Plate 



/Microscope-sections of Rocks from the South 



-vvT J Island of New Zealand, to illustrate Mr. A. M. 



' ] Finlayson's paper on the Nephrite and Magnesian 



^ Rocks of that island 



[Mav showing areas of the Karroo System in 

 Northern Rhodesia ; Conglomerate, Ciiigona 

 Creek ; Disintegrated Conglomerate, forming 

 the Foothills west of Eakanunga Creek ; 

 Conglomerate in place on the southern 

 Foothills of Lupoposhwe ; Basal Clays 

 and Nodular Ironstones overlain by Coal 

 Measures, Molongushi River ; View of the 

 Malejibi syncline ; and Fallen Block in 

 Eakanunga Creek, to illustrate Mr. A. J. C. 

 Molyneux's paper on the Karroo System in 

 Northern Rhodesia 



L 351 



XVII-XXIII^ 



J. 408 



XXIV & XXV 



XXVI & XXVII 



Geological Map of the Plynlimon and Pont x | 

 Erwvd District ; and Plan of the Rheidol | 

 Gouge between Pont Erwyd and Parson's ! 

 Bridge, to illustrate Mr. O. T. Jones's paper on j 

 the Hartfell-Valentian Succession in the above- | 

 mentioned district J 



Avonian Brachiopods ; and Avonian Corals, from" 1 ! 

 County Clare, to illustrate Mr. J. A. Douglas's I 

 paper on the Carboniferous Limestone of that j 

 county J 



fVrav of the Howgill Fells from Ash Fell; 



46.5 



538 



Map of the Rivers of the Howgill Fells : 

 Map of the Glaciers of the Howgill Fells ; 

 | and Sections showing the Thalweg of the 

 XXVIII-XXXI<j beheaded Artlegartiidale &. its Tributary J- 587 

 Valleys, and along the Watershedding Line | 

 l west of Bowderdale, to illustrate the paper by I 

 | Dr. J. E. Marr & Mr. W. G. Fearnsides on the | 



^ Howgill Fells and their Topography J 



( View of Coire nam Beitii, Glen Coe ; Horizontal ^ 

 Sections through the Cauldron-Subsidence of 

 Glen Coe ; and Contoured Geological Map of 

 Glen Coe, to illustrate the paper bv Messrs. C. 

 | T. Clough, H. B. Maufe, & E. B. Bailey on the j 

 ( Cauldron-Subsidence of that area J 



XXXII-XXXIV-j 



y en 



FOLDING TABLES. 



Page 



Table illustrating the Correlation of the Ordovician and Silurian 

 Rocks of Conway with those of other British areas, facing 190 



I. Correlation of the North Cardiganshire Rocks with their Equiva- 

 lents in other parts of Britain, facing 530 



II. Occurrence and Range of the Graptolites in the Hartfell-Valentian 



Succession, facing 530 



