Yorkshire Naturalists’ Union: Annual Report, 1910. 67 
The Committee for IgII is as under :— 
(CChairman—F. F. Walton, Hull. 
Convener—J. W. Stather, Hull. 
Representative on Executive—F. F. Walton, Hull. 
Representative on Committee of Suggestions—H. Culpin, Don- 
caster. 
Other Members—J. T. Sewell, Whitby ; W. Y. Veitch, Middles- 
brouehy: jig. Burton, Nunthorpe ;,’ Rey... FE. -M-. 
Cole, Wetwang; and J. A. Hargreaves, Scar- 
borough. 
Fossil Flora and Fauna of the Carboniferous Rocks Committee. 
~—TuE Fossit Fauna.—Mr Cosmo Johns writes:—Since the publi- 
cation of the last Report work has been centinued both in the 
Upper and Lower Carboniferous Rocks. The researches of 
Mr. Culpin and others on the fauna of the coal measures are 
extending our knowledge of the vertical and horizontal distribu- 
‘tion of the marine fauna. The persistence of the various “‘ marine 
bands ’’ over wide areas has now been established, and the data 
accumulated will enable such exploratory borings as may 
be put down towards the east boundary of the Yorkshire Coalfield 
to yield definite information as to the level reached. It is not 
often that scientific research is so quickly followed by its economic 
application. So far there have only been opportunities for 
investigating the faunal succession down to the Barnsley seam. 
There is, however, no reason to doubt the probability of determin- 
ing faunal horizons below the Barnsley seam when these lower 
measures are explored. 
Several workers are giving their attention to the fauna of 
the Millstone Grit, though there has been no recent contri- 
bution to our knowledge of this highly important division of 
the Carboniferous Rocks. Mr. Holmes has collected a suite of 
fossils from the shales above the Kinderscout Grit, but their 
specific determination has not been completed. 
As a result of continued work on the Carboniferous Limestone 
the important conclusion has been reached that the Pendleside 
series with its important Cephalopod fauna, is equivalent, in 
part at least, to the Yoredale Series of Phillips. 
A definite correlation of the Postdonomya becheri beds of the 
Lower Culm of Germany and Devonshire, and of the Pendleside 
Series of Pendle Hill with the base of the Yoredale Series, as 
typically exposed in Wensleydale, has been made. It would 
appear that the Yoredale and Pendleside Series are, despite their 
distinct lithological and paleontological characters, representa 
tives of the same time interval. The occurrence of two such 
distinct facies points to great differences in the conditions which 
determined the character of the sediments in the Yoredale and 
‘Pendleside areas. For the opinions expressed in the above report 
the writer only is responsible. 
gir Jan. I. 
