176 



DR ROBERT KTDSTON ON THE 



S 



o 

 ID 



so 

 • <^ 



"fe. 



«o 

 •*» 



CO 



g 



Bottom Coal. 



• ■ ■ • • • • • X ■ • X X X • ■ • 



Intermediate Measures. x • • x x x • • • 



Fireclay Coal. 



x • • • x ■ ■ • • x ■ • x x .... 



New Mine Coal. 



x x • • X X X • ■ • 



Stinking Coal = 

 Sulphur Coal. 





White Ironstone. 



x 



Rubble Coal. 



I 



Heathen Coal. 





Gubbin's Ironstone. 



aj 



< 



a 



CD 



f4 



O 



_d 



15 < 

 o 

 O 



M 



H 



o 



"S 



'3 



' Bottom Benches Coal. 





Slipper Coal. 





Sawyer's Coal. 





Patchell's Coal. 





Stone Coal. 





John Coal. 





Foot Coal. 





Brassil's Coal. 



Benches Coal. 





Tow Coal. 





Lamb's Coal. 





Jay's Coal. 





Top Slipper Coal. 



Roofs Coal. 





Thick Coal. 



X X • • • X • X X XXX X X xxxx 



Brooch Coal. • xxx • • x • • x • • x x xx-x 



Little Two-foot Coal. 





Upper Sulphur Coal. 







Sphyropteris. 



obliqua Marrat, sp. 

 Zeilleria. 



Avoldensis Stur, sp. 



delicatula Sternb., sp. 



re. sp. .... 

 Eremopteris. 



artemisixfolia Sternb., sp. . 

 Adiantites. 



sessilis Roehl., pro. var. 

 Archseopteris. 



Reussii Ett., sp. . 

 Telangium. 



asteroides Lesqx., sp. 

 Qoseleya. 



glomerata Kidston, n. sp. . 

 Pecopteris, 



Miltoni Artis, sp. . 



Volkmanni Sauveur 



hepaticseformis Kidston, n. sp. 

 Dactylotheca. 



pluinosa Artis, sp. . 

 Mariopteris. 



muricata Schl., sp. 

 Alethopteris. 



lonchitica Schl., sp. 



decurrens Artis, sp. 



Davreuxi Brongt., sp. 



valida Boulay 



