SILURIAN GROUP. 123 



the-Rock, Herefordshire ; Yeo Edge, Shelderton, Norton Camp, 

 Dinchope, Caynham Camp, Shropshire ; Sedgeley, Staffordshire. 



c. Escarpments of Mocktree and Brindgwood Chase, Gatley, and 



Valley of Woolhope, Herefordshire ; Mary Knoll Dingle, "Wes- 

 thorpe, Hopedale, and Long Mountain, Shropshire ; West side 

 of Abberley and Malvern HlHs; escarpments in Montgomery, 

 Radnor, Brecknock and Caermarthenshires. 



d. Lincoln Hill, Benthall and Wenlock Edge, Shropshire ; Burrington, 



Nether Lye, near Aymestry, Nash near Presteigne, Old Radnor ; 

 Pwll-Calch, Caermarthenshire ; Valley of Woolhope, Ledbury, 

 and west side of Malvern Hills ; East side of Abberley Hills, 

 Dudley, Worcestershire ; Long Hope, near May Hill, Glouces- 

 tershire ; Frescoed and Cil-na-Caya, near L'sk. 



e. Buildwas, Hughley, Wistanstow and Clungunford, Salop ; escarp- 



ments in Montgomery, Radnor, Brecknock and Caermarthen- 

 shires : West flank of Malvern Hills, Alfrick, Worcestershire ; 

 centre of Wren's Nest, Dudley, &c. &c. 



/. Banks of the Onny, near Horderley, Acton Bnmell, Chatwall ; the 

 Hollies, near Hope Bowdler, Cheney Longville, Acton Scott; 

 East flank of Wrekin and Caer Caradoc, Salop ; Eastnor Park, 

 Obelisk, and centre of Woolhope Valley, Herefordshire ; May 

 Hill, Gloucestershire. 



g. Horderley, Hoar Edge, Long Lane, and Corston, Shropshire ; 

 Ankerdine Hill, Old Storridge, Howler Heath, S.W. of Malvern 

 Hills, Worcestershire ; May HOI, Gloucestershire ; and the same 

 localities as /. in Shropshire ; Guilsfield and Alt-y-maen, Mont- 

 gomeryshire ; Castel Craig Gwyddou, Caermarthenshire. 



h. Rorington, near Shelve, Shropshire : Llandrindod and Wellfield, 

 near BuUth, Radnorshire; Tan-yr-Alt to Llandeilo, Caermar- 

 thenshire. 



In Yorkshire and Westmorland ; in some parts of Scotland ; in the 

 South of Ireland, and other districts, rocks belonging to the 

 Silurian Group also occur. 



In the lake district, Professor Sedgwick has divided the 

 fossiliferous slates extending from the Coniston Limestone 

 to the Valley of the Lime, into five Formations. 



