524 Revieivs — Memoirs of Geological Survey. 



5. jEyolithes gracilis and Eelated Forms from the Lower 

 Cambrian of the St. John Group. By G. F. Matthew, LL.D. 

 Trans. Eoy. Soc. Canada, ser. ii, vol. vii, sec. iv, p. 109. 



A very slender form of Hyolithes, a variety of H. gracilis of the 

 Paradoxides CElandicus (of. P. Tessini) zone, from a somewhat lower 

 horizon, is described in this paper. The form resembles Orthotheca 

 Hermelini, Holm, from the base of the Cambrian in Sweden, but has 

 a more projecting dorsal lip. Figures are given to show the forms 

 of this species found in the St. John Group. The shell has several 

 chambers in the apex, and so is of the subgenus Camerotheca. The 

 operculum was not found. 



I^ IB AT I S -w S. 



Memoirs of the Geological Survey of England and Wales. 

 (London, E. Stanford, and of all booksellers.) 



1. The Geology of the Country around Southampton 

 (Explanation of Sheet 315).' By Clement Eeid, F.E.S. ; 

 with contributions by W, Whitaker, F.E.S. 8vo ; pp. 70, with 

 illustrations of Chalk and London Clay fossils, also Palseolithic 

 implements and geological sections. (1902. Price Is. 6d.) 



rilHIS area comprises a part of the Hampshire Basin formed of 

 JL Chalk and Tertiary strata, and modified by some minor 

 undulations in the strata. Thus the Portsdown anticline, which 

 occurs to the east, has been shown to aflfect the area from the 

 occurrence of several new inliers of London Clay (pp. 10 and 41). 



Special attention is directed to the fossils of the London Clay 

 and Bracklesham Beds ; and to the flint implements of the plateau 

 and valley deposits, which are illustrated. So many and varied 

 fossils occur in the Bracklesham Beds of the New Forest at Brook, 

 Bramshaw, Huntingbridge, and Southampton, as shown by the lists 

 given pp. 27-34 and p. 40, that a more liberal number and better 

 quality of illustrations might well be expected. Indeed, the area 

 is so extremely prolific in fossil remains that it deserves and will 

 no doubt obtain a more extended memoir at no distant date. 



Eecords are given by Mr. Whitaker of numerous well-sections. 



2. The Geology of the Country around Exeter (Explanation 

 of Sheet 25). By W. A. E. Ussher, F.G.S. ; with Notes on the 

 Petrology of the Igneous Eocks by J. J. H. Teall, M.A., F.E.S. 

 8vo ; pp. 122, with 20 Illustrations in the text. (1902. Price 2s.) 



IN this work there is an account of the unproductive Culm- 

 measures, and full particulars of the subdivisions of the New 

 Eed Sandstone series which occupy a large portion of the country 

 around Exeter. 



Much interest attaches to the volcanic rocks which occur in the 

 lower part of the New Eed Sandstone, and a petrological description 

 of these is contributed by the Director of the Geological Survey. 

 There are notes also on the superficial deposits, water-supply, etc. 



1 This memoir has already been referred to in the Geological Magazine for 

 October, p. 478. 



