ARBER : FOSSIL FLORA OF SOUTH YORKSHIRE COALFIELD. 155 
Eig. 4. — Sphenopteris (Urnatopteris) tenella, Brongn., from the 
Middle Coal Measures of Digby Clay pit. (Horizon of 
the Top Hard Coal), x y. 
Plate XVIII. 
Fig. 1. — Trigonocarpus sp., from the Middle Coal Measures of 
Shipley Clay Pit, Derby. (Horizon of the Top Hard 
Coal). X i. 
Fig. 2. — Cordaites principalis (Germar), from the Middle Coal 
Measures of Shipley Clay Pit, Derby. (Horizon below 
the Top Hard Coal). No. 1886 Carbon. Plant Coll. 
Sedg. Mus. -Camb. | natural size. 
Fig. 3. — Sphenopteris {Corynepteris) coralloides , Gutbier, from the 
Middle Coal Measures of Newthorpe Clay Pit (No. 1), 
Nottinghamshire. (Horizon below the Waterloo Coal). 
xi. 
Fig. 4. — Rhabdocarpus elongatus, Kidst., from the Lower Coal 
Measures of Trowell Colliery, Nottinghamshire. 
(Horizon of the Kilburn Coal). 
Plate XIX. 
Fig. 1. — Neuropteris tenuifolia (Schloth.), from the Middle Coal 
; ' Measures of Shipley Clay Pit, Derby. (Horizon of the 
Top Hard Coal). Slightly enlarged. 
Fig. 2. — Sphenopteris [Corynepteris) coralloides, Gutbier, from the 
Middle Coal Measures of Newthorpe Clay Pit (No. 1), 
Nottinghamshire. (Horizon below the Waterloo Coal). 
X I. 
Fig. 3. — Trigonocarpus sp. The reverse of Plate VII., Fig. 1 
