234 Eejjorfs and Procredin(/s — Geological Society of London. 



The sections, prepared by Mr. C. D. Slierborn, are effective, tbougli 

 somewbat crudely diagrammatic. We notice, bowever, tbat the 

 displacement by the fault at Sel wicks is not indicated. The 

 coloured map already referred to, also prepared by Mr. Sherborn, 

 is a useful guide to the probable range of the zones in the interior 

 of tbe headland, thougb in drawing the boundaries it is probable 

 tbat insufficient allowance has been made for tbe relief of tbe 

 ground in view of the prevalent low dip. The Appendices to tbe 

 paper include tbe description by Mr. G. C. Crick of a curious 

 Belemnite, probably deformed by some injury to the living animal ; 

 and there is also a sbort note by the present writer on tbe state 

 of preservation of some of the Chalk fossils. 



In conclusion, let it be acknowledged that no adequate criticism 

 of work of this kind could be made except by one whose knowledge 

 of tbe subject transcended tbat of tbe autbor. And our only hope, 

 tberefore, of ever obtaining sucb a criticism is that Dr. Eowe may 

 himself undertake it some time in the future, when be bas completed 

 his examination of the separate districts and reviews bis previous 

 work as a whole. G. W. Lamplugh. 



i^,E:F>OI^TS j^istid i=ieoo:E]:Ei:»iiNrc3-s. 



I. — Gkological Society of London. 



March 23rd, 1904. -J. E. Marr, Sc.D., F.E.S., President, in tbe 

 Chair. The following communication was read : — 



" On tbe Moine Gneisses of tbe East Central Highlands and their 

 Position in the Highland Sequence." ' By George Barrow, Esq., F.G.S. 



The paper is divided into two parts. The first deals witb tbe 

 parallel banded grey gneisses or gneissose flagstones of tbe Perth- 

 shire and Aberdeenshire districts, which, in their field-characters as 

 well as in their composition and structure, are identical with the 

 Moine gneisses of the North-West Highlands. A description is 

 given of these gneisses, as seen in and about the Garry in Perthshire, 

 and this is followed by a brief account of tbe same rocks in tbe 

 ground to the east and north-east, extending to the Forest of Inver- 

 cauld, north of Braemar in Aberdeenshire. Special attention is 

 drawn to the fact that towards the eastern end of the area large 

 masses of highly qnartzose gneiss occur, which are really part of the 

 Central Highland quartzites in what the author conveniently describes 

 as a ' Moine phase,' and should not strictly be included in tbe typical 

 banded grey gneisses at all. 



In the second part, dealing with the mode of ending off of these 

 gneisses to the south-east, it is shown that they cease to be recog- 

 nizable as Moine gneisses, owing to the fact that they thin away and 

 also become more finely banded, while at the same time they become 

 less crystalline or cease to be gneisses. To prove this, an account 



' Communicated by permission of the Director of H.M. Geological Survey. 



