133 



LIST OF FOSSILS FOUND IN TEE 

 BJJILTR DISTRICT, ly Messrs. Powell and Griffiths. 



Llandeho 

 Ogygia Buchii. 



,, Portlockii. 

 Asaphus tyrannus. 

 Trinucleus fimbriatus. 



,, concentricus. 

 Calymene duplicata. 

 Euomphalus perturbatus. 



Lingula Davisii, in addition to 

 the above 



Trinucleus Lloydii. 

 Theca triangxilaris. 



Siphonotreta micula. 

 Lingula attenuata. 

 Ampyx nudus. 

 Diplograpsus pristis. 

 Agnostus Mc'Coyii. 



Didymograpsus Murchisonii. 

 Ogygia Corndensis (A. Powisii.) ? 



Flag. 



Gwernyfydd. 



Wellfield. 



Wellfield Lodge. 



Gilwern Hills, near 

 Llandrindod. 



Volcanic Gkix oveeiting Llandeilo. 



Asaphus Tyrannus. \ 



Orthis flabellulum. j 



ITppeb Li-andoteet, 

 Pentamerus oblongus. 

 Petraia sub duplicata, 

 Orthis radians. 



Weniock Shale. 



Cyathophyllum, > 



Acidaspis Jamesii. f 



Graptolites Ludensis. f 



„ Sedg-svickii ) 



Cardiola intemipta. 

 Pterinea Sowerbyi. 

 Lingula Plumbea 

 Rhynchonella 

 Orbicula 



Western flank of the 

 Caerneddau Bills. 



Pencerig. 



Builth Bridge. 



