358 FOSSIL FLORA OF SOL'THKKN PORTION OF THK YORKS. COALFIELD. 
Arber, E. a. N. (1916). " On the Fossil Floras of the Coal Measures 
of South Staftordshire." Phil Trana. Roy. Soc, Series B., Vol. 
CCVIII., p. 127, 1910. 
Horwood, a. R. (1912). " Investigation of the Fossil Flora and 
Fauna of the Midland Coalfields." Report Brit. Assoc. Ports- 
mouth (1911), p. 105, 1912. 
KiDSTOX, R. and Jongmans, W. J. (1912). " Sur la fructification de 
Neuropteris ohliqua Bgt." Arch. Neerland. Set. Exact, et Nat., 
Ser. IIIb., Vol. I., p. 25, 1912. 
MoYSEY, L. (1913). Fossils from the Derbyshire and Nottingham- 
shire Coalfield."' In Gibson, W. and Wedd, C. B., The Geology, 
of the Northern part of the Derbyshire Coalfield and bordering 
Tracts. A})pendix 3 {Mem. Geol. Survey), 1913. 
EXPLANATION OF THE PLATES. 
(All the figures are from s])eci)nens from above the Silkstone Coal 
Bond's Main Colliery, Tem])le Normanton, Derby, now in the 
Carboniferous Plant Collection, Sedgwick Museum, Cambridge ; 
the numbers following the specific names are the numbers allotted 
to them in that Collection. All the figures are from photographs 
by Mr. W. Tams, Cambridge). 
Plate XXXIX. 
Fig. l.—Calamophloios vertic Hiatus (L. & H.), No. 2741, X f. [This 
figure is upside down]. 
Fig. 2. — Sphetwpteris Potieri (0 ZeilL, No. 2766, natural size. 
Fig. 3.— Sphenopteris Potieri (?) ZeilL, No. 2770, X3. 
Plate XL. i 
Fig. 1. — Stiqmaria ficoides Sternb., No. 2745, natural size. See also 
PL XLI., Fig. 4. 
Fig. 2. — Sphenopteris Laurenti Andrii, No. 2779, natural size. 
Plate XLI. 
Fig. I.— Neuropteris obliipia Brongn., No. 2798, X 2J. 
Fig. 2. — Neuropteris oblitpm Brongn., No. 2793, natural size. 
Fig. 3.— Neuropteris obli(jua Brongn., No. 2793, X 2 J. 
Fig. 4.—Sligmaria ficoides Sternb., No. 2745, X 3. See also PL XL., 
Fig. 1. 
