220 MR ROBERT KIDSTON ON 



tern crenata (pi. xxxix.), and the other as Sphenopteris caudata (pi. xlviii.). The two 

 remaining Lower Coal Measure examples are one from Fife and the other from the 

 Potteries Coal Field, North Staffordshire (PI. I. fig. 3.) 



Scotland. 



Lower Coal Measures. 

 Fife :— 



Locality. — East Wemyss. {Forma crenata.) (J. Kirkby.) 

 Horizon. — Lower Coxtool Coal. 



England. 



Upper Coal Measures. 

 Somersetshire : — * 



Localities. — Kilmersden Pit, near Radstock. 



Braysdown Colliery, near Radstock. 

 Tyning Pit, Radstock. 

 Wellsway Pit, Radstock. 

 Upper Conygre Pit, Timsbury. 

 Lower Conygre Pit, Timsbury. 

 Old and New Pits, Camerton. 

 Horizon. — Radstock Series. 



Middle Coal Measures. 

 Lancashire : — 



Locality. — St Helens. (Rev. H. H. Higgins.) 



Horizon. — Ravenhead Coals. 

 Locality. — Dixon Fold, Stoneclough, near Manchester. (J. W. Croston.) 



Horizon. — A little above Doe Mine. 

 Locality. — Ashton, near Manchester. (Brongniart.) 



Horizon. — (1). 

 Locality. — Oldham. ( Brongniart. ) 



Horizon. — (?). 

 Locality. — Worsley. 



Horizon. — Basscy Mine. (28 yds. above Ramshorn Mine.) 

 Locality. — Oldham Edge, Oldham. (J. Nield.) 



Horizon. — " Forest bed." (16 yds. below Hollingworth Mine of Oldham.) 

 Derbyshire : — 



Locality. — Claycross. (Rev. J. M. Mello.) 



Horizon. — (?). 



*The forma denUda is much more common tban any other in the Upper Coal Measures. 



