BIBLIOGRAPHY OF 1884 : GEOLOGY AND PALEONTOLOGY. 405 



John Henry Tiffen. Yorkshire. 

 Prize Essay on the Agriculture of East and North Eidings of Yorkshire. North 

 British Agriculturist, October 29th, xxxvi. 733-738. 



Gives stratigraphical description and character of soils in East Riding — 

 (i) Holderness, (2) The Wolds, (3) Howdenshire ; North Riding— (i) The 

 Carboniferous, (2) The New Red Sandstone, (3) The Oolite. 



C. O. Trechmann. Westmoreland. 

 Analysis of an altered Siderite from Eilton Beacon lead Mine, near Appleby. 



Mineralogical Mag., July, vi. 52-53. 



Analysis made to determine the nature of the alteration which had changed 

 the light-greenish or brownish yellow siderite to the dark, almost perfectly 

 black, glossy crystals so often seen. 



G. R. Vine. Derbyshire, 

 rourth Report of the Committee, consisting of Dr. H. C. Sorby and Mr. G. R. 

 Vine, appointed for the purpose of reporting on Fossil Polyzoa. Rep. Brit. 

 Assoc., Southport, 1883, pp. 161-209. 



At p. 191 is a reference to Ptilopora Phillipsii Vine, from Castleton, 

 Derbyshire (Carboniferous Limestone). 



G. R. Vine. 



Fifth and Last Report of the Committee, consisting of Dr. H. C. Sorby, F.R.S., 

 and Mr, G, R. Vine, appointed for the purpose of reporting on Fossil Polyzoa. 

 Brit. Assoc. Rep., Montreal, 1884. Reprint (proof), pp. 123. 



One object of this report is to furnish the student with as full a list of 

 synonyms, both of genera and species, as possible. The classification adopted 

 is that formulated by the Rev. T. Hincks for his work on British Marine Polyzoa. 



G. R. Vine. Yorkshire. 

 Further Notes on New Species and other Yorkshire Carboniferous Fossil 

 Polyzoa described by Prof. John Phillips. Proc. Yorks. Geol. and 

 Polytech. Soc, vol. viii., Part III., p. 377. 



Albert H. Waters. Yorkshire. 

 The Red Chalk and its Fossils (concluded). Nat. World, August and Sep- 

 tember, i. 128-130, 147-149, and woodcuts. 



Short stratigraphical account of the Red Chalk, with its localities and fossils. 

 R. Lloyd Whiteley. Yorkshire. 

 Analysis of the Kissingen Saline Chalybeate Water, 1883, as compared 

 with analyses in 1845, 1854, 1867, and 1879. Proc. Yorks. Geol. and 

 Polyt. Soc, vol. viii., Part III., p. 366-370. 



These analyses are intended to throw a little more light on the character 

 and composition of the well-known Kissingen Spring at Harrogate. 



George Wild. 



Sigillaria ('Pot-Holes') and their Detection in the Roof of a Coal Seam by 

 their stigmarian roots. Trans. Manch. Geol. Soc, 1883-84, xvii. 215-224, 

 and three plates. 



The practical value of this paper is very great. Diagrams showing the 

 characteristic features of the roots and articulation of the rootlets externally, 

 also the vegetable structure internally ; also a section of the seam of coal 

 (Peacock Mine) showing the stratification of roof and floor, and position in 

 which the sigillarian trunks are found. 



E. Leader Williams and — . Hunter. Lancashire, Cheshire. 



A Geological Section of the Mersey and Irwell Valleys. Trans. Manch. Geol. 

 Soc, 1883-4, xvii. 212-215. 



This section, a sample of the; undulatory land surface carved in the solid 

 rock which exists beneath the superficial deposits of clay, sands and gravels of 

 boulder-clay origin, and of a Pre-Glacial remote origin. 



Dec. 1885. 



