PALEOZOIC. 



DEVONIAN OR OLD EED SANDSTONE SPECIES. 



Upper Devonian 



or 



TTpper Old Red 



Sandstone. 



Middle Devonian 



or 



Middle Old Bed 



Sandstone. 



Lower Devonian 



or 



Lower Old Bed 



Sandstone. 



UOETH DETON. 



Pilton, Brannton, Croyde, 

 Marwood, Sloley, and 

 Baggy beds. 



Moitlioe, 'Woolacombe, 

 Eockham and Lee slates; 

 Hfracombe, and Combe 

 Martin slates, &c. 



Heddon's Mouth, Wooda- 

 bay, Lee, Valley of Eocks, 

 Watersmeet, Lyuton,aiid 

 Lymnonth slates, &c. The 

 Bed Grits and Sandstones 

 of the Foreland, Conntes- 

 bury, Glenthome, &c., at 

 the base. 



SOtTTH DETON. 



No representative. 



Dartmouth slates, Dart- 

 ington, OgweU, Tor- 

 quay, Newton, Ply- 

 mouth limestones, Lum- 

 maton, Bamsleigh. 



Meadfoot slates with 

 PhyUolepis concentri- 

 cus, Te^mpton Creek, 

 and Black Hill slates 

 of Looe Island. 



COENWALl. 



Petherwin Lime- 

 stones and slates, 

 Tintagel and De- 

 la-Bole slates. 



Padstow, Looe 

 grits, Polperro. 



St. Veep, Pol- 

 ruan, Polperro, 

 and Powey grits 

 and slates. 



SOriH WALES. 



Pembroke, Sea- 

 ton (part), Tel- 

 low sandstone, 

 and Upper Old 

 Bed Sandstone. 



Old Bed Sand- 

 stone (in part). 



Lower part of 

 Comstones, &c.. 

 Old Bed Sand- 

 stone. 



Yellow and Bed Sandstone, 

 Dura-Den beds, Holoptychius, 

 &c., Lammermnir Hills, Kfe- 

 shire sandstones. 



Caithness flagstones, &c., Elgin 

 and Pindhom Eivers with As- 

 terolepis, Cheirolepis, Diptems, 

 Osteolepis, CoocosteuSj Pteri- 

 chthys, &c. 



Forfarshire flagstones, &c.. 

 Boss, and N.E. Highlands, 

 Onchus, Cephalaspis, Pter- 

 aspis, &c. 



PAIuEOZOIC. 



PLANTS. 



DEVONIAN. 



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