BRITISH ISLES. 21 



Home, D. Milne-. On High Flood Marks on the Banks of the River 

 Tweed and some of its Tributaries, and on Drift Deposits in the 

 Tweed Yalley. Proc. R, Soc. Edin. vol. viii. pp. 559-562. 

 1. Water-lines on the banks of the Tweed and some of its tribu- 

 taries ; 2. Notice of Ancient Lakes and Drift Deposits ; 3. Theoretical 

 Explanations suggested ; 4. Notice of the views of other persons. 



R. E., Jun. 



Homer, Charles J. The North Staffordshire Coal Field, with the 



Ironstones contained therein. Joum. Iron Steel Iiist. pp. 540- 



573, plates (continuous vertical section). 



Gives details of borings near Alsager, at Lightwood (near Longton), 



and at Fenton (near Stoke-on-Trent). Notices the faults. Describes 



each workable seam of ironstone and coal, and gives analyses of some. 



The section shows 33 workable seams of coal and 13 of ironstone of an 



aggregate thickness of 130 and 24 feet respectively. "W. W. 



HopeweU, E. W. Two Sections of Wells [Newbold]. Rep. Rugby 



School Nat. Hist. Soc. for 1874, pp. 51, 52. 

 Depths 40 and 28 1 feet, in Liassic rock and clay. Details given. 



Home, John. Post- Pliocene Formations of the Isle of Man. Geol. 

 Mag. dec. 2, vol. ii. pp. 329-331. 



Gives arguments in support of the view that the high-level Boulder 

 Clay of the Isle of Man passes beneath the sands and gravels that cap 

 the coast cliffs, and that the laminated clays, hitherto regarded as part 

 of the Lower Boulder Clay, belong to a much higher horizon. J. G. G. 



Hudleston, W. H. Excursion to Northamptonshire. Proc. Geol. 

 Assoc, vol. iv. no. 2, pp. 123-134. 



Special attention was given to the Lincolnshire Limestone, North- 

 ampton Sand, and Collyweston Slate. The Ironstone of the North- 

 ampton Sand is described as formed by the substitution of iron for 

 lime in the original rock, the carbonate of iron having been afterwards 

 chiefly changed into hydrated peroxide. W. T. 



— — . Excursions to the Isle of Thanet. Proc. Geol. Assoc, vol. iv. 

 no. 4, pp. 254-260. 



Mr. Dowker explained the structure of the district, noting the re- 

 semblance of the Chalk of Margate and Pegwell Bay to that of Norwich. 

 The sections of Thanet Sand are described, and also the high gravels of 

 E. Kent. W. T. 



. Excursion to Chamwood Forest, Leicestershire. Proc. Geol. 



Assoc, vol. iv. no. 5, pp. 307-317. 



Gives the section at Lindridge Colliery, S.W. of Chamwood Forest, 

 where coal has been found at 287 feet, under New lied. The syenites 

 and slates of Chamwood Forest are noticed. The so-called Greenstone 

 of Bardon Hill is a Fclstone. Mr. Bonney regards it as the stump of 

 a cone ; he also states that the ' Porphyritc ' of Greonhill is not igneous, 



