Yol. 68.] PALEONTOLOGY 01' THE WAEWICKSHIEB COALFIELD. 



635 



Synopsis op the Caebonifeeous and Permian 

 Formations of Warwickshire. 



Name. 



Characters. 



Chief Fossils. 



Permian. 



Keele Beds. 



Calcareous, false-bedded Walchia sp. 

 red sandstones andlenti-j Walchia imhricata Scliimper. 

 cular red marls spottedj Calamites sp. 

 with green ; with two Dasyceps hucTclandi (Lloyd), 

 horizons of limestone Oxyodon hritannicus von Huene< 

 conglomerates, the low-! 

 est of which forms the; 



Thickness. 



1000 feet. 



Eed and pm-ple sand-, Walchia sp. 

 stones and marls, with| Fecojjteris jpolymorpha Brongn. 

 marly breccias and, to- Fecopteris arhorescens ^c\i\oi\\. 

 wards the base, beds ofi Fecopteris miltoni (Artis). 

 grey sandstone. Three Spirorhis. 

 thin beds of Spirorhis^ Ostracoda. 

 Limestone, the lowest 

 (and thickest) of which 

 is taken as the base. ; 



Haunchwood Grey sandstones and Anmdaria stellata Schlotheim. 

 Sandstones.! shales, with thin coals Neuropteris ovata Hoffmann, 

 and Spirorbis Lime- Neuropteris scJieuchzeriHoffva. 

 stones; some red mottled Netiropteris rarinervis Bunb. 

 marls towards the top. I Fecopteris miltoni (Artis). 



' Sphenophyllum emarginatum 

 i Brongn. 



' Feaia leidyi var. salteriana 

 Jones. 



Nuneaton 

 Clays. 



1000 to 

 1500 feet. 



300 to 

 450 feet. 



Red and purple mottled Cordaites principalis (Germar), 

 marls and clays, with Catamites sp. 

 thin Espley Rocks, a' Spirorbis. 

 SpirorbislAvaestone, and Ostracoda. 

 local breccias. Fish-remains undetermined. 



Measures. 



Grey sandstones, shales, Neuropteris schlehani Stur. 

 and underclays, with Zeilleria delicatula (Sternb.). 

 thick coal-seams d^ndi Sigillaria elongata ^\'o\^gn. 

 beds of ironstone. Sand- Lingula mytiloides Sow. 

 stones and breccias to- Myalina compressa Hind, 

 wards the top, which Fterinopectenpapyraceus{Sow.). 

 thicken northwards. An Carbonicola aquilina (Sow.). 

 impersistent conglo- Anthracomya loilliamsoni 



merate forms the base. 



(Brown). 

 Naiadites carinata (Sow.). 

 ISIegalichthys hibberti Agassiz. 

 Rhizodopsis sauroides Willm. 

 Acanthodes ivardi E2:erton. 



80 to 

 150 feet. 



400 in the 

 south to 

 700 in the 

 L'orth. 



