313 



MICRO-PALJEONTOLOGY OF THE NORTHERN 

 CARBONIFEROUS SHALES. 



By GEORGE R. VINE, 

 AttercUffe, Sheffield; Secretary of the Bj-itish Association Committee 07i Fossil Polyzoa. 



(Continued from page 210.) 



V.-TJPPER CARBONIFEROUS SHALES, NORTHUMBERLAND 

 YOREDALE: EOURSTONES, 'INGHOE,' LOWICK. 

 POLYZOA AND ENTOMOSTRACA. 



In following out the plan adopted by Mr. H. B. Brady in his valuable 

 monograph on the Carboniferous and Permian Foraminifera, it must 

 not be supposed that I have in these papers anything special to 

 present on the geology of the Northumbrian Shales. In the monograph, 

 when speaking of the distribution of EngHsh and Welsh species of 

 Foraminifera, ]\Ir. Brady divides the Carboniferous Limestone series 

 of the northern counties into Scar and Yoredale rocks. In the 

 first group of these northern rocks — the Scar series — the species 

 already described in my first four papers are located, and I have 

 purposely presented the micro-organisms of these beds in consecutive 

 order, so that they may be the more conveniently studied. The 

 series of organisms now to be considered belong to . a much higher 

 group of rocks, separated from the others by the four-fathom and 

 Great Limestone. In the Shales overlying the Great Limestone the 

 first material of my present list has been derived. The Ingoe grits 

 are situated in the Little Limestone series, and over these we come 

 to the Lowick position. 



In the masterly address (Feb. i8th, 1881. Quart. Journ. Geol. Soc, 

 same year, p. 177) of Mr. Robert Etheridge, F.R.S., as President of 

 the Geological Society, he makes references to the lie of the rocks, 

 and gives the following stages of the Carboniferous series in the 

 North of England and in Central Scotland : — ' The comparison of 

 the Northumberland, Durham, Yorkshire, and Lancashire rocks 

 among themselves, and further correlation with the Scotch series, has 



yet to be effected In the Pendle and Clitheroe area 



the Yoredale rocks are of great thickness, 3,000 — 4,000 feet ; they are 

 scarcely represented in Scotland, although so near ; whilst the great 

 or " Scaur Limestone " of Derbyshire is represented in Northumber- 

 land. The probable arrangement and agreement of the North of 

 England and Central Scottish stages have been arranged or correlated 

 by Mr. Hall, through a tacit agreement with Professor Geikie and 

 Professor Lebour, both on stratigraphical and palaeontological grounds. 



Sept. 1885 P 



