Vice-President's Address. 214 
stones are traceable from Somerset to Yorkshire, and hold 
a constant position above the Middle Coal-Measures. In 
Somerset and Staffordshire their age is determined by 
fossil plants.'!_ In the Lancashire and Yorkshire Coal Fields 
I have not yet been able to examine any fossil plants from 
' The fossils collected during the sinking of the Sandwell Park trial shaft, 
West Bromwich, were, I believe, distributed before any careful list was drawn 
up. I have, however, seen in collections the following species from this 
source ;— 
Calamites Suckowii, Brongt. 
re Cistii, Brongt. 
Calamocladus equisctiformis, Schl. sp. 
Pecopteris arborescens, Schl. sp. 
a] Miltoni, Artis sp. (=P. abbreviata, Bronst.), 
Neuropteris Scheuchzeri, Hottm. 
Sptropteris sp. 
Lepidophyllum lanceolatum, L. and H. 
"The fossil plants got in these red shales during the sinking of the shaft of 
the Hamstead Colliery, Great Barr, near Birmingham, were *— 
Calamites varians, Sternb. var. 
ie Suckowt, Brongt. 
nf undulatus, Sternb. 
Annularia stellata, Schl. sp. 
Sphenophyllum emarginatum, Brongt. 
Neuropteris rarinervis, Bunbury. 
35 ovata, Hoffm. 
a Scheuchzeri, Hoffm. 
oe flexuosa, Brongt. 
Odontopteris Lindleyana, Sternb. 
Pecopteris arborescens, Schl. sp. 
a unita, Brongt. 
as Milton, Artis sp. 
Alethopteris decurrens, Artis sp. 
43 aquilina, Schl. sp. 
Lepidodendron Wortheni, Lesqx. 
Lepidophyllum lanceolatum, L. and H, 
Lepidostrobus variabilis, L. and H. 
Sigillaria sp. 
Stigmaria ficoides, Sternb. sp. 
Pinnularia capillacea, L. and H. 
Cordaites angulosostriatus, Grand’ Kury. 
Sternbergia approximata, Brongt. 
Walehia imbricata, Schimper, 
* Trans, Roy. Soc, Edin., vol. xxxv., part i., No. vi., p. 317, 1888. 
