S69 



Phacops caudatus. 

 Calymene DavisiL 

 Orthoceras bullatum. 

 Theca Forbesii (rare). 

 Litiiites comu-arietis (rare). 

 Cardiola fibrosa (rare). 



Orthoceras (new). 



„ canaliculatum. 

 „ angulatum. 



Phragmoceras intermedium. 

 Lituites Ibex. 

 Calvmene Blumenbachii. 



Near Aberdthonow. 



River-bed, near Aberdihonow. 



Banks of Irvon near 

 Builth. 



Upper Ludlow. 



Orthoceras distans. 



,, dimidiatum. 



„ Ludense. 



Ecculiomphalus Bucklandii. 

 Orthonota (several sp.). 

 Rhynconella. 

 Orbicula rugata. 

 Lingula Lewisii. 

 Homalonotus Knightii (rare). 

 Encrinurus punctatus (rare). 

 Serpulites longissimus. 

 Holopella conica. 

 Tentaculites annulatus. 



Aberedw and Erwood. 



Lowest Beds of Old Red Sandstone. 



Orthoceras tracheale. 



„ semipartitum. 



„ filosvmi. 



Modiolopsis loevis. 

 Holopella obsoleta. 

 Trochus helicites. 

 Leptoena lata. 

 Cypricardia cymbaeformis. 

 Bellerophon striatus. 



,, cariaatus. 



Turbo Williamsii ? 

 lUaenus Davisii? 



Gwenddwr, 



