94 find: Life Zones tn British Carboniferous Rocks. 
for brick making. Several pits are opened showing sections of 
sandstones and shales, cut in the most westerley a dark grey 
shale worked containing many round bullions or concretions. 
Most of the bullions yield no fossils, but I obtained there 
Pleuronautilus nodosocarinatus, Solenochetlus, Sp. nov. a body 
chamber of which I think I have from Congleton Edge Quarry, 
500 feet below the third Grit. Poszdonzella laevis and Elonichthys 
aitkent. 
Dr. A. H.. Foorda(Geol.. Mac, DeciayaViol., \iLLijawsge: 
p. 481), has recognised in addition So/enochetlus latiseptatus, 
Pleuronautilus armatus, and Actinoceras sulcatulum from these 
beds. This fossiliferous horizon occurs somewhat nearer the 
top than the base of the Millstone Grit series. 
P. nodosocarinatus has been found high up in the Yoredales 
of Swaledale, and in the Arden Limestone series of the West of 
Scotland. From this locality it was described by Armstrong 
under the WV. nodzferus, but Roemer has previously described 
the shell and the name WV. nodosocarinatus. A sharp look out 
should be kept for traces of this very fine and characteristic 
species in the Millstone Grits of the Midlands. A fine specimen 
lately found during excavations by the Corporation at Harrogate 
is now in the Natural History Museum, South Kensington. 
At Holt Head, near Slaithwaite, near Saddleworth, Mr. 
Barnes found a bed of shale crowded with the valves of a shell 
which I figured and described as Sanguznolites ovalis. (Pal. Soc. 
Brit, Carbs -Lamell, “Pt V:, p44, Plia4b, ies. 14-1775) ine 
horizon is probably below the 3rd Grit, and the fauna which 
accompanies it consists of :— 
Nuculana stilla. Posidoniella levis. 
Nucula gibbosa. Lingula mytiloides. 
Schizodus antiquus. Ostracoda. 
This, then, is the extent of our knowledge of the molluscan 
fauna of the Pendleside series and its distribution, and I can 
only hope it may be useful in stimulating local geologists to 
take up the subject of life zones in the Millstone Grit rocks. 
Taking it as a whole, the fauna is a fairly extensive one, and in 
certain localities is most prolific. 
Before terminating this paper, I propose to give lists of the 
fish and flora which are found in the Pendleside series. These 
lists are comparatively meagre, but I have no doubt that they 
can be considerably increased by research. 
Dr. Wellburn compiled the following table showing the 
Naturalist, 
