118 YORKSHIRE NATURALISTS UNION. 
Owing to the manner in which the leaves split up at the 
apex it is seldom that the leaf extremities are found in such 
a condition as to show their perfect outline. 
Cordaites principalis Germar sp. 
Ante, pp. 58, 80. 
MIDDLE Coat MEASURES. 
Additional locality. 
Hor.—Shale over Chevet Rock. Loc.—Cadeby Colliery, 
Conisborough. 
Dorycordaites (Cordaites) palmæformis Gópp. sp. 
Dorycordaites palmeformis Zeiller, Flore foss. d. bassin houil. 
d. Valen., p. 632, pl. xciii., figs. 1, 2, 1890. 
Cordaites (Dorycordaites) palmaformis Grand’Eury, Flore 
carbon. du Départ. de la Loire, p. 214, pl. xviii., figs. 4, 5, 
1677. 
Cordaites (Dorycordaites) palmeformis Renault, Flore foss. 
terr. houil. de Comentry, part IL, p. 585, pl. Ixvi., figs. 
1-7, 1890. 
Cordaites (Dorycordaites) palmeformis Grand Eury, Bassin 
houil. du Gard, p. 330, 1890. 
Cordaites palmaformis Weiss, Foss. Flora d. jungst. Stk. u. 
Rothl., p. 199, pl. xviii., fig. 39, 1871. 
Cordaites palmeformis Heer, Foss. flora Helv., p. 56, pli, 
fig. 18, 1876. 
Noeggerathia palmeformis Gópp., Foss. Flora d. Ubergangs, p. 
216, pl. xv. ; pl. xvi., figs. 1-3, 1852. 
Noeggerathia palmeformis Gópp. Foss. Flora d. perm. Form., 
p. 157, pl. xxi., fig. 2”; pl. xxii, figs. r, 2, 1864. 
Noeggerathia palmaformis Geinitz, Vers. d. Steinkf in 
Sachsen, p. 42, pl. xxii., fig. 7, 1855. 
Pycnophyllum palmaforme Schimper, Traité d. paléont. veget., 
vol. iii., p. 563, 1974: 
Geol, Trans. Y.N.U., 1893. 
a ad 
az y 
