Reviews — Geology of Cork and Cork Harbour. 87 



rise 3,106 feet. Eather full particulars are given of all the 

 metamorphic and older igneous rocks, the latter comprising 

 epidiorite and serpentine ; there is a chapter on the effects of 

 folding and progressive regional metamorphism ; while the later 

 intrusive rocks, granite, hyperite, diorite, and kentallenite, various 

 sills and dykes, and the Tertiary intrusions furnish ample material 

 for those interested in petrography. Matter perhaps of more 

 popular interest is contained in the chapter on the Glacial and 

 Kecent deposits. It is pointed out that the gathering-ground of 

 the ice-cap, which in the period of maximum glaciation completely 

 overrode this mountainous district, was situated in the Grampian 

 range to the north-east, the ice issuing in a south-westerly direction 

 along the parallel basins of Loch Fyne and Loch Awe ; the major 

 rock-basins coincide with the direction of this ice-flow, and the 

 evidence generally obtained in the area favours the connection of 

 the rock-basins with glacial phenomena. Of the various glacial 

 drifts and fluvio-glacial gravels, of the raised beaches and the story 

 they tell of changes of level, and of the economic deposits of the 

 area we find many interesting and useful particulars. A biblio- 

 graphical list is given in the appendix, but perhaps further 

 references in the text might have been given to the observations 

 of other geologists who have written on Argyllshire. 



III. — The Geologv of the Countkt around Cork and Cork 

 Harbour. By G. W. Lamplugh, " F.G.S., J. E. Kilroe, 

 A. McHenrt, M.E.LA., H. J. Seymour, B.A., W. B. Wright, 

 B.A., and H. B. Muff, B.A. pp. vii, 135. (1905. Price 3s.) 



THIS memoir is descriptive of a specially prepai-ed and colour- 

 printed map of the country around the city of Cork, including 

 the whole of Cork Harbour; the area having been re-surveyed with 

 the object only of mapping the glacial drifts and other superficial 

 deposits. 



The older geological formations include the Lower and Upper Old 

 Eed Sandstone (termed on the previous Geological Survey map the 

 Dingle and Kiltorcan Beds) and the Carboniferous Limestone Series. 

 The boundaries that mark the exposed limits of these older rocks 

 are reproduced from that Survey ; and the only notable change is 

 the abolition of the term "Coal-measures?" which strangely 

 enough was used for beds now grouped as " Upper Shale or 

 Posidonomya Beclieri Beds." So much interest attaches to the 

 relations of these Old Eed and Carboniferous beds to the equivalent 

 strata in the west of England and South Wales, that it is a matter 

 of regret that the attention of Mr. Lamplugh and his associates was 

 confined (officially) to the mapping of the superficial deposits. In 

 consequence we have to be content with a good deal of information 

 gathered more than fifty years ago, as the district was surveyed by 

 Jukes and his staff in 1851-2 ; while the explanatory memoir on 

 Sheets 187, 195, and 196, owing to " the inadequate means afforded 

 us to carry out our work to completion," was not issued until 1864:. 



