286 CATALOGUE OP THE LOCAL FOSSILS IN THE 



Name and Locality. Reference. 



Leptacanthus Jenkinsoni, M'Coy, Brit. Pal. Foss., 

 Loc— Lowick. pi. 35, f. 14-16. 



? Leptacanthus, sp. 



Loc. — In ironstone shale, Redesdale. 



Cladodus, sp. indet. 

 Loc. — In ironstone shale, Redesdale. 



Gyracanthus tuberculatus, Agassiz, Poiss. Foss., Vol. 3, 

 Loc. — In ironstone shale, Redesdale, etc. pi. la, f. 1-7. 



Calciferous Sandstone Series. 



Rhizodus Hibberti, Agassiz, Roy. Soc. Ed., 



Loc. — Norhani-on-Tweed, etc. {Geo. Tate). Vol. 13, pi. 9. 



Ctenodus, sp. 



Loc. — Norham-on-Tweed ( Geo. Tate). 



Ctenoptychius pectinatus, Agassiz, Poiss. Foss. Vol. 3, 

 Loc. — ]S"orham-on-Tweecl,etc.(6r00. Tate). pi. 19, f. 2-4. 



Tuedian Group (Tate). — This name has heen applied by Mr. 

 George Tate to a large series of beds, lying beneath the Car- 

 boniferous limestone of the last division, which are extensively 

 developed on the banks of the Tweed, and in Berwickshire, in the 

 neighbourhood of Edinburgh, and in Fife. "It is composed of 

 numerous beds of grey, greenish, and lilac shales, sandstones, 

 slaty and calcareous sandstones, thin beds of argillaceous lime- 

 stone and chert, and a few buff- coloured magnesian limestones. 

 It forms a well-marked transitional series, intercalated between 

 the Scar limestone series and the Old Red Sandstone." On the 

 banks of the Whiteadder gypsum may be seen among the sand- 

 stones of this series. 



"This group occupies a considerable area in the north of 

 Berwickshire. There are good sections on the Tweed and 

 "Whiteadder. In Northumberland there are sections of it in 

 Garmitage Bank and Crawley Dene, which are from six to nine 

 miles west of Alnwick ; and the same group is tilted up against 



