352 
SUPPLEMENT TO THE BRITISH 
The British Carboniferous Series. 
Beds in descending order, with Localities. 
Name of Formation. 
r Stage g. Upper Coal-Measures . Reddish and grey sand- 
stones, breccias, and clays, with thin coal 
seams and limestones. 
Fossils (freshwater or estuarine). Fish (mi- 
gratory) : Crustacea, Leperditia inflata ; An- 
nelids, Spirorbis carhonarius. 
Stage f. Middle Coal-Measures . Yellowish sandstones, 
clays, and shales, with thick coals. 
Fossils (freshwater or estuarine). Fish 
(migratory) : Molluscs, Anthracosia, Anthra- 
comya ; Crustaceans, Beyrichia, ISstheria ; 
Annelids, Spirorbis. Marine species rare. 
Stage e. Gannister beds (Phillips) or Lower Coal-Mea- 
sures. Flagstones, shales, and thin coals, 
with hard siliceous floors (Gannister). 
Fossils (marine). Fish, similar to those above 
(migratory) : Molluscs, Goniatites, Discites, 
Orthoceras, Posidonia, Monotis, Aviculo- 
pecten, Anthracosia, Lingula, &c. 
Stage d. Millstone-Grit Series. Coarse grits, flagstones, 
and shales, with a few thin coal seams. 
Fossils (marine), similar to those of the 
Lower Coal-Measures. 
Stage c. Yordale Series. Shales and grits passing down- 
wards into dark shales and earthy limestones. 
Fossils (marine), including Goniatites, Avicido- 
pecten, Ctenodonta, Chonetes, Discina, Posi- 
donomyu, Productus, Sfc. 
Stage b. Carboniferous Limestone. Massive limestone, 
passing northwards into several beds, with 
intervening shales and grits. 
Fossils. Fish, Crustacea, Molluscs, Crinoids, 
Corals, &c., all marine species, 
a Stage a. Lower Limestone-Shale and Calciferous Sand- 
stone. Dark shales in some places ; grits, 
conglomerates, and red sandstones and shales 
in the northern districts. 
Fossils. Spirifera cuspidata, Rhynchonella 
pleurodon, &c. 
Upper Old Red Sandstone. Yellow sandstones 
and conglomerates. 
Fossils (freshwater ?) : not well represented in 
f Basis. 
Localities. 
Manchester, Stoke-on-Trent, New- 
castle-under-Lyne, south part of 
Dudley Coal-field ; Banks of the 
Dee, near Ruabon ; Hamilton and 
Ayrshire in Scotland. 
Central portions of all the coal- 
fields of England and Wales ; Upper 
Coal-Measures of Scotland. 
South Lancashire, North Stafibrd- 
shire, North Wales, and South 
Wales. 
Uplands of Yorkshire, Lancashire, 
and Derbyshire ; North Stafi'ord- 
shire, and North and South Wales^ 
&c. 
Uplands and valleys of Lanca- 
shire, Yorkshire, Derbyshire, North 
Staffordshire, Wales, &c. 
Wales (North and South), Derby- 
shire, Yorkshire, Cumberland ; in 
Scotland, the Lower and Main Lime- 
stone. 
South Wales, Northumberland, 
and Durham; in Scotland, Calci- 
ferous-Sandstone Series. 
South Wales, Northumberland ; 
Scotland (Dura Den) ; Ireland (Kil- 
torcan). 
England. 
