FOSSIL FLORA OF THE STAFFORDSHIRE COAL FIELDS. 



319 



Vertical Section — continued. 



33 



— i 

 O 

 O 



S3 



Oh 



O 



O 





Depth from 



Surface in 



yards. 



Thickness of 

 Bed in yards. 



Description of Bed. 



Fossil Contents. 



440 



24 



Red sandstone and grey shale. 



Calamites Suckowii, Brongt. 

 Calamites undulatus, Sternb. 

 Calamites varians, Sternb. (var.). 

 Alethopteris decurrens, Artis, sp. 

 Lepidodendron Wortheni, Lesqx. 

 Lepidostrobus variabilis, L. & H. 

 Sigillaria, sp. 



Pinnularia capillacea, L. & H. 

 Sternbergia approximata, Brongt., sp. 



451 





Unconformity and erosion of 

 strata Measures below this 

 assume a much, purpler hue. 





533-536 



3 



Blue bind. 



Calamites varians, Sternb., (var.). 



Calamocladus equisetiformis, Schl., sp. 



Lepidodendron aculeatum, Sternb. 



Lepidostrobus variabilis, L. & H. 



Sigillaria reniformis, Bgt. 



Sigillaria mamillaris, Bgt. 



Sigillaria, sp. 



Cyperites bicarinata, L. & H. 



Stigmaria ficoides, Sternb., sp. 



Cordaites, sp. 



Cardiocarpus Meachemii, Kidst., n. sp. 



550 



1 



Grey shale. 



Carpolithus ovoideus, Gopp. & Berger. 

 Edmondia rudis, M'Coy. 



555 



If 



Dark grey clod, marine beds. 



Productus semlreticulatus, Martin. 



„ scabriculus, Martin. 

 Edmondia rudis, M'Coy. 

 Modiola lingualis, Phill. 

 Anthracosia Urei, Flem. ( = A. acuta), Sow. 

 Leda attenuata, Flem. 

 Goniatites, sp., allied to G. excavatus, Phill. 

 Schizodus, allied to S. carbonarius, Portl. 



584 



3 



Purple and grey shales. 



Calamites Suckoivii, Brongt. 

 Neuropteris rarinervis, Bunbury. 

 Mariopteris muricata, Schl., var. nervosa 

 (Brongt., sp.). 



615 





Top of "thick coal." Shales 

 above it devoid of fossils. 





623-625 



2 



Shales with ironstones. A few 

 fossils, chiefly Stigmaria. 





631 





" Heathen coal." 





The Fossil Plants can be most conveniently considered in connection with their geolo- 

 gical positions. 



I. Those from the Upper Coal Measures, comprising the strata passed through from 

 the surface to a depth of 451 yards. 



