THE 



QUARTERLY JOURNAL 



OF 



THE GEOLOGICAL SOCIETY OF LONDON. 



PROCEEDINGS 



OP 



THE GEOLOGICAL SOCIETY. 



December 23, 1868. 



The Eev. J. F. Blake, M.A., Gonville and Caius College, Cam- 

 bridge ; Thomas Sparke Parry, Esq., Castlebar, Ealing, Middlesex ; 

 and William H. Penning, Esq., of the Geological Survey of Eng. 

 land, 28 Jermyn Street, W., were elected FeUows. 



The following communications were read : — 



1. On the so-called "Eozoonal" Eock. By Prof. W. King and 

 Dr. T. H. EowNEY. 



(Communicated by Sir R. I. Murchison, Bart., K.C.B., F.R.S., V.P.G.S.) 



[Abstract.] 



The authors noticed that, since the reading of their former commu- 

 nication in 1866, further descriptions of Eozoon have been published 

 by Hochstetter, Giimbel, Carpenter, Dawson, and Logan ; and after a 

 few words on those by the first two, they proceeded to criticise the 

 others more fully, intimating that the English and Canadian observers 

 have by no means mastered all the difficulties of the subject, nor 

 answered the objections brought forward by them. In the course of 

 these remarks, Messrs. King and Eowney, objecting to the specimen 

 from Tudor, of which they have seen the photograph, and which was 

 described and figured in 1867*, suggested that it is nothing more 

 than the result of infiltration of carbonate of lime, with entangled 

 impurities, between two layers of the sandy limestone. They also 

 stated their belief that the term ^- Eozoonal " is applicable to any 

 of the ophites they describe, inasmuch as, it was contended, the 



* Quart. Joum. Geol. Soc. vol. xxiii. pis. 11 & 12. 

 VOL. XXV. PART I. K 



