68 bibliography: geology and paleontology, 1887. 



L. Fletcher. Cheshire. 



On Crystals of Cuprite and Cerussite resulting from the slow alterations 



of buried coins [the crystals, associated with the usual blue and green 



carbonates of copper, were found on Roman coins in a soil of disintegrated 



red sandstone and clay at Chester]. Mineralog. Mag., vol. vii. pp. 187-188. 



W. Flight. North East Yorkshire. 



A Chapter in the History of Meteorites [giving description of the 



meteorite, weighing 3^ lb., which fell at Pennyman's Siding, Middlesbrough, 



March 14th, 1881 ; it is an olivine-bronzite rock with 9 per cent, of nickeliferous 



iron : pp. 218, 219]. 8vo, xii. •+ 221 pp., London, 1887. 



C. Fox-Stran<;\vays, A. G. Cameron, and G. Barrow. North Yorkshire. 

 The Geology of the Country around Northallerton and Thirsk (Explana- 

 tion of Quarter-sheets 96 N.W. and 96 S.W. ; New Series, Sheets 42 and 52) 

 [dealing with the Carboniferous, Permian, Trias, Lias, and Lower, Middle, and 

 Upper Oolites, the first two being but little developed in the area of the maps ; 

 there is also a chapter on Physical Structure, Faults, etc., besides one on the 

 Superficial Deposits ; also two appendices— one giving well-sections, another 

 bibliographical — and an index]. Mem. Geol. Surv. England and Wales, 

 75 pp., London, 1886. 



R. Gascoyne. Yorkshire, Notts. 



On the Eastern Extension of the Leeds and Nottingham Coal-field. 



Trans. Midi. Inst, of Mining, Civ., and Mech. Eng. , vol. x. pp. 250 et sequ. 



J. G. Goodchild. Cumberland, Westmorland, Yorkshire. 



Ice Work in Edenside and some of the adjoining parts of North 

 Western England [a valuable summary of lectures upon glacial geology 

 given 1880-1887, and, after the introduction, dealing with ice and glaciation, 

 the origin of our drift deposits, the results of ice action upon the surface, 

 post-glacial denudation ; illustrated by diagrams and woodcuts]. Trans. 

 Cumb. and Westm. Assoc, No. xii (1886-S7, pub. 1887), pp. 111-167. 



A. H. Green, C. Le Neve Foster, and J. R. Dakyks. Derbyshire. 



The Geology of the Carboniferous Limestone, Yoredale Rocks, and 

 Millstone Grit of North Derbyshire (Parts of Sheets SS S.E., 81 N.E., 

 72 N.E., 82 N.W., 82 SAY., and 71 N.W.), 2nd ed., with additions by 

 A. H. Green and A. Strahan [besides a full treatment of the Carboniferous 

 Rocks, there are chapters on the Post-Pliocene Deposits, etc., and an account 

 of the various mines ; the list of fossils by Mr. R. Etheridge is greatly 

 enlarged by Messrs. G. Sharman and E. T. Newton, and another appendix 

 by Mr. W. Whitaker gives a list of 293 works referring to the district]. 

 Mem. Geol. Surv. England and Wales, 212 pp., London, 1887. 

 W. S. Gresley. West Yorkshire. 



A Fossil Tree \Stigmaria ficoides\ at Clayton, Yorkshire [described and 

 figured]. Midi. Nat., Sept. 1886, ix. pp. 229-232 and plate iii. 

 W. S. Gresley. Derbyshire. 



Re 'Explosive Slickensides ' [supplementing Mr. Sirahan's paper by descrip- 

 tion of similar 'explosions' in coal-mines]. Geol. Mag., Nov. 18S7, dec. iii. 

 vol. iv. pp. 522-523. 

 W. S. Gresley. Derbyshire. 



Notes on the Formation of Coal-seams, as suggested by evidence 

 collected chiefly in the Leicestershire and South Derbyshire Coal-field 

 [showing reasons for rejecting the theory that coal-seams were formed 

 of plants that grew upon the spot]. Quart. Journ. Geol. Soc. , vol. xliii. 

 pp. 671-674 ; Abstr. Proc. Geol. Soc, June 23rd, 1887 ; Geol. Mag., Aug., 

 dec. iii. vol. iv. p. 375. 

 W. Hampton and H. Wai.lis Keyv. North Lincolnshire. 



The ' Blue Stone ' Boulder, Louth, Lincolnshire [is a sub-angular 

 boulder of a blue-black colour, about 32 in. in height and about 145 in. in 

 girth; it is a slightly altered dolerite]. Nat., Aug. 1887, pp. 225-2 26. 



Naturalist, 



