64 bibliography: geology and paleontology, 1887. 



S. A. Adamson. North-East Yorkshire. 



Yorkshire Naturalists at Gormire Lake and Thirkleby Park [20th July, 

 1887; Hood Hill and Roulston Scar of the Hambleton Hills visited and 

 stratification described ; Gormire Lake and its vicinity investigated, and 

 theories for the origin of the lake brought forward ; fossils obtained — Terebra- 

 titla maxillata, Holectypus depressus, Belemnites abbreviates, Gryphaa 

 bilobata, etc.]. Nat., Aug. 1887, pp. 239-241. 



S. A. Adamson. West Yorkshire. 



The Yorkshire Naturalists' Union at Sedbergh [1st August, 1887 ; the 

 oldest stratified rock? in Yorkshire examined ; the Lower Silurian, the Riggs, 

 Frostrow Fells, Helm Knot, and Helm Gill visited ; in the latter an exposure 

 of the Conistoti limestone seen, also black mica trap from the dykes in the 

 vicinity ; in the Rawthey valley good exposures noted of the Conglomerate 

 or basement bed of the Carboniferous series ; fossils obtained — Graptolites 

 several species), 0?-thoce?'atites, Trilobites, Orthis, Strophomena, Atkyris, 

 Favosites, Halysites, Encrinites, etc.]. Nat., Sep. 1887, pp. 282-284. 



S. A. A[damso.\ - ]. Northern Counties generally. 



Geological Papers relating to the North of England, read at the Man- 

 chester Meeting of the British Association [enumerated]. Nat., Oct. 

 1887, pp. 292-294. 



S. A. Adamson. Yorkshire. 



Reports of Field Excursions [Malton — North Grimston quarries described, 

 also the Malton Museum ; Skipton and Ilkley Railway — general geology of 

 this new railway given, including accounts of the Hambleton, Haw Bank, 

 Skibeden and Wheelam Rock Quarries, the Craven anticlinals, and the Yore- 

 dale Rocks and Boulder Clay ; Kettleness to Staithes — account of the geology 

 along the coast ; Leyburn — Keld Head Lead-mines with section, Lady 

 Algitha Cave, and the Harmby Quarries described ; Thirkleby and Gormire — 

 general geology of district, including stratification of Hood Hill and Roulston 

 Scar ; Sedbergh — Account of geology from Sedbergh to Helm Gill ; Ingleton 

 (Dale Beck) — glacial drift of Ingleton described, also the Tow Scarr and 

 Twistleton faults, the trap dykes of Ingleton and the Skirwith Quarries ; 

 Hatfield Chase — gravel-pit near Lindholme visited, also account of warping 

 the land]. Trans. Leeds Geol. Assoc, Part 3 (1S86-7), pp. 127-153. 



Matthew Bailey. East Yorkshire. 



The Rocks at Flamborough [in Selwick's Bay, are called Adam and Eve]. 

 Nat., Nov. 1886, p. 347. 



J. E. Bedford. Isle of Man. 



Notes on Flint-flake Implements found in the Isle of Man [giving details of 

 some sections of gravel and sand on the hill-side opposite to Peel Castle]. 

 Proc. Yorks. Geol. and Pol. Soc, vol. ix., Part iii. pp. 369-371. 



t e, Bedford. Yorks., Derbysh., Lanes., Notts. 



Effects of Denudation [geology of Yorkshire from Holderness to Craven 

 briefly described and the power of denudation in effecting great changes in 

 the physical contour of the district ; the Craven fault and the Ingleton coal- 

 field also alluded to]. Proc. Leeds Geol. Assoc, Part 3 (1886-7), pp. 110-113. 



J. F. Blake. North East Yorkshire. 



On a New Specimen of Solaster Murchisoni from the Yorkshire Lias 



[this example of a polyradial starfish is from the Capricornus zone at 

 Huntcliff]. Geol. Mag., Dec. 1887, dec. iii. vol. iv. pp. 529-531 and plate xv. 



G. S. Boulger. Northumberland. 



Excursion to Northumberland [Account of an excursion of the Geologists' 



Association in August 1886; bibliography given]. Proc. Geol. Assoc, 



vol. ix. (1SS7), pp. 582-596. 



Naturalist, 



