n6 Bibliography : Geology of the North of England. 
G[resswell], R. K. Lancashire, S. 
Notes on the Erosion [Blundellsands] . Twenty -sixth Rep. Southport 
Soc. Nat. Sci., pp. 3-4. 
Harker, Alfred. Northern Counties. 
Metamorphism : a Study of the Transformations of Rock Masses. 
London, pp. x + 360. 
Hartley, John J. Lake District. 
The Volcanic and other Igneous of Great and Little Langdale, 
Westmorland, with notes on the Tectonics of the District. 
Proc. Geol. Assoc., March, pp. 32-69. 
Hawkins, Herbert L. Yorkshire, Linco.lnshire . 
The Significance of the Chalk. South-Eastern Nat., etc., 1931, pp. 
29-43- 
Hickling, George. Northern Counties. 
The Properties of Coals as determined by their Mode of Origin. 
Coll. Guard., February 26th, pp. 401-404. 
— See Fearnsides, W. G. Northern Counties. 
Hickling, H. G. A., and Marshall, C. E. Northern Counties. 
The Microstructure of the Coal in certain Fossil Trees. Trans. 
Inst. Min. Eng., November, pp. 13-23 ; abs. in Coll. Guard., 
December 16th, p. 1129. 
Hodge, M. B. Northern Counties. 
The Permian Yellow Sands of North-east England. Proc. Univ. 
Durham Phil. Soc., February, pp. 410-458. 
Northumberland, Cumberland. 
Hollingworth, S. E. See Trotter, F. M. 
Holmes, Arthur. Northern Counties. 
The Origin of Igneous Rocks. Geol. Mag., December, pp. 543-558. 
Holmes, Marshall, and Bancroft, Eric. Yorkshire. 
Sedbergh and Cautley Spout Ramble. Haworth Ramblers Programme , 
pp. 2-4. 
Hudson, R. G. S. Yorkshire, Derbyshire. 
The Pre-Namurian Knoll Topography of Derbyshire and York- 
shire. Trans. Leeds Geol. Assoc., pp. 49-64. 
Yorkshire. 
Geology [of Shipton]. Yorks. Nat. Union Circ., No. 371, p. 2, and 
Nat., December, pp. 
— See Fearnsides, W. G. Northern Counties. 
Hudson, S. N. Lake District, Yorkshire. 
The Igneous Rocks of the Cross Fell inlier [abs.]. Publications and 
Abs. of Theses, Univ. of Leeds, 1930-1, pp. 24-25. 
J. W. Jackson. Yorkshire. 
Caves of the Settle District and their Relation to the Ice Age. 
[Abs . ] Proc. March Lit. Phil. Soc. Vol. 75., pp. xxii-xxv. 
Jackson, J. Wilfrid, and Mattinson, W. K. Yorkshire. 
A Cave on Giggleswick Scars, near Settle, Yorkshire. Nat., 
January, pp. 5-9- 
Jones, C. Bryner. Northern Counties. 
The Origin and Development of British Cattle [abs.]. Rep. Brit. 
Assoc., p. 333 ; Journ. Brit Assoc., pp. 32, 33 ; Nat., October, 
pp. 291-292. 
Jones, R. C. B. See Tonks, L. H. Lancashire. 
Jones, W. R. See Cullis, C. Gilbert. Northern Counties. 
(To be continued). 
The Naturalist 
