136 Bibliography : Geology of the North of England. 
Carus-Wilson, C. Lancashire N. 
Quicksands : Their Nature and Formation. Conquest, July, pp. 
375-377- 
C[ole], G. A. J. Lake District. 
Regional Geology [notice of memoirs on] . Nature, August 25th, 
pp. 827-828. 
Corkill, W. H. Isle of Man. 
Manx Mines and Megaliths. Mem. Manch. Lit. and Phil. No. 7, 
pp. 1-8. 
Cossmann, M. Northern Counties. 
Harmer, P. — W. [sic], The Pliocene Mollusca of Great Britain, 
VoL II., Part I., . . . 1918 [notice of]. Rev. de Geol. Aout., pp. 
409-410. 
Crabtree, J. H. Northern Counties. 
Rocks and Fossils and How to Identify them. London, 63 pp. 
Crook, Thomas. Northern Counties. 
Economic Mineralogy : a Practical Guide to the Study of Useful 
Minerals. London, 492 pp. 
Crosthwaite, Ponsonby Moore. Lincolnshire. 
The Louth Flood of 1920. Trans. Inst. Waterworks Eng. (p. 14 of 
‘ reprint ’). 
Davison, Charles. Northern Counties. 
A Manual of Seismology. Cambridge, 256 pp. 
Dawkins, W. Boyd. Northern Counties. 
The Geography of Britain at the Time of the Arrival of Man. 
Jouvn. Manch.. Geog. Soc., December, pp. 1-5. 
Duckham, Arthur. Northern Counties. 
Goal as a Future Source of Oil Fuel Supply. Journ , Inst. Petroleum 
Technologists, January, pp. 3-26. 
Earle, K. W. Cumberland, Westmorland, Lancs. N. 
The Lower Carboniferous Rocks of West Cumberland. [Abs.]. 
Nature, December 8th, p. 485. 
Eastwood, T. Lake District. 
The Lead Ores and Zinc Ores of the Lake District. Mem. Geol. 
Surv., Special Report, Vol. XXII., pp. iv. +56. 
Elles, Gertrude L. Northern Counties. 
The Study of Geological Maps. Cambridge, 74 pp. ; Review in 
Nat., July, p. 
Elsden, J. Vincent, and Howe, J. Allen, 
Westmorland, Northumberland, Lines., Yorks. 
The Stones of London. Quarry, July, pp. 267-269 ; September, 
PP- 347-35 0 > October, pp. 389-391 ; November, pp. 430-432 ; 
December, pp. 475-479. 
Flett, J. S. Northern Counties. 
Report of the Director for the Year 1920. Rep. Geol. Surv. Board , 
pp. 10-25. 
( To be continued ). 
Naturalist 
