88 ReporU and Proceedings — 



this process has been repeated up to the present time. He explained 

 that Prof. Rupert Jones and Dr. Irving had already adopted this 

 theoi'v in part, but that he differed from them in the entire exclusion 

 of marine action. 



3. "The Bagshot Beds of Bagshot Heath." By Horace W. 

 Monckton, Esq., F.G.S. 



The author stated that certain changes in the classification of the 

 Bagshot Beds had recently been proposed, and he gave reasons for 

 preferring that at present in use, which w^as originally proposed by 

 Prof. Prestwich in 1847, viz. a threefold division into tipper, Middle, 

 and Lower Bagshot. 



He then argued against the theory that the Upper and Middle 

 Bagshot Beds overlap the Lower Bagshot on the north-western side 

 of the Bagshot district, as had been suggested by Dr. A. Irving ; 

 and, dealing with the various localities where Upper Bagshot had 

 been alleged to exist resting on Lower Bagshot or on London Clay, 

 he contended that in every case the evidence in favour of Upper 

 Baershot aore broke down on examination. 



n.— Jan. 6, 1892.— W. H. Hudleston, Esq., M.A., F.R.S., Vice- 

 President, in the Chair. — The following communications were read : 



1. " On a new Form of Agelacrinites (Lepidodiscus Milleri, n. sp.) 

 from the Lower Carboniferous Limestone of Cumberland." By G. 

 Sharman, Esq., and E. T. Newton, Esq., F.G.S. 



Among a large series of fossils obtained during the Geological 

 Survey of Cumberland and Northumberland, there are two which 

 are referable to that remarlcable and rare group of Echinoderms, 

 the Agelacrinitidaj. The more perfect of these specimens is from 

 tlie Lower Carboniferous rocks near Waterhead, on the River 

 Irthing, and forms the subject of this communication. The disc- 

 like fossil is only about four-tenths of an inch in diameter, and 

 scarcely rises above the shell to which it is attached ; nevertheless, it 

 is 80 well preserved as to allow much of its structure to be studied. 

 It is referred to the genus Lepidodisciis, and is seemingly closely 

 related to L. Lebouri, described by Mr. Percy Sladen before this 

 Society in 1879 ; but it also has affinities with L. cincinnatiensis 

 and L. squamosiis. From all these, however, the present specimen 

 diifers in having the pyramid in the middle of the interradial space, 

 in possessing shorter ai'ms, and in being much smaller. This fossil 

 is to be named Lepidodtscns Milleri, after Mr. Hugh Miller, under 

 whose direction these fossils were collected by Mr. J. Rhodes. 



2. " The Geology of Barbados. — Part II. The Oceanic Deposits." 

 By A. J. Jukes-Browne, Esq., B.A., F.G.S., and Prof. J. B. Harrison, 

 M.A., F.G.S. 



The Oceanic deposits rest unconformably on the Scotland Series, 

 with which they contrast strongly in every respect. They are 

 divisible into five portions : — 



1. Gray and buff calcareous marls (Foraminiferal). 



2. Fine-grained red aud yellow argillaceous earths. 



3. Pulverulent chalky earths (Foraminiferal). 



