I02 ADDITION'S TO THE LIBEART. 



Boston. Society of Natural History. Memoirs. Yol. iv. Nos. 1-4. 



1886-88. 



British Association for the A^dvancement of Science. Eeport of the 

 56th Meeting, held at Birmingham, in September 1886. 1887. 

 Sir J. W. Dawson, Address by the President, 1. — H. Hicks. Report of 

 the Committee appointed for the purpose of exploring the Caves of North 

 Wales, 219. — H. W. Crosskey. Fom-teenth Report of the Committee 

 appointed for the pm:'pose of recording the position, height above the sea, 

 hthological characters, size, and origin of the Erratic Blocks of England, 

 Wales, and Ireland, reporting other matters of interest connected with the 

 same, and taking measures for their preservation, 223. — H. J. Johnston- 

 Lavis. Report of the Committee for the Investigation of the Volcanic 

 Phenomena of Vesuvius and its neighbourhood, 226. — T. Rupert Jones. 

 Fourth Report of the Committee on the Fossil Phyllopoda of the Palaeozoic 

 Rocks, 229. — C. E. De Ranee. Twelfth Report of the Committee ap- 

 pointed for the purpose of investigating the Circulation of Underground 

 Waters in the Permeable Formations of England and Wales, and the 

 Quantity and Character of the Water supplied to various Towns and 

 Districts from these Formations, 235. — J. S. Gardner. Second Report of 

 the Committee appointed for the purpose of reporting on the Fossil Plants 

 of the Tertiary and Secondary Beds of the United Kingdom, 241. — 

 J. Milne. Sixth Report of the Committee appointed for the purpose of 

 investigating the Volcanic Phenomena of Japan, 413. — J. W. Davis. On 

 the Exploration of the Raygill Fissure in Lothersdale, Yorkshire, 469. — 

 J . H. Player. An Accurate and Rapid Method of estimating the Silica 

 in an Igneous Rock, 471. — T. G. Bonney. President's Address to 

 Section C — Geology, 601. — C. Lapworth. On the Geology of the Bir- 

 mingham District, 621. — W. J. Harrison. On the Discovery of Rocks 

 of Cambrian Age at Dosthill in Warwickshire, 622. — C. Lapworth. The 

 Cambrian Rocks of the Midlands, 622.— T. H. Waller. On the Petro- 

 graphy of the Volcanic and associated Rocks of Nuneaton, 623. — A. 

 Strahan. On the Rocks surrounding the Warwickshire Coalfield, and on 

 the Base of the Coal-measures, 624. — W. Mathews. On the Halesowen 

 District of the South Staffordshire Coalfield, 625. — F. G. Meacham and 

 H. Insley. Notes on the Rocks between the Thick Coal and the Trias 

 North of Birmingham and the Old South Stafibrdshire Coalfield, 626. — 

 W. Tuckwell. On the Glacial Erratics of Leicestershire and Warwick- 

 shire, Q27. — S. A. Adamson. Notes on the Discovery of a large Fossil 

 Tree in the Lower Coal-measures at Clayton, near Bradford, 628. — P. B. 

 Brodie. On the Discovery of Fossil Fish in the Red Sandstone (Upper 

 Keuper) in Warwickshire, 629. — P. B. Brodie. On the Range, Extent, 

 and Fossils of the Rhgetic Formation in Warwickshire, 629. — W. J. 

 Harrison. On a Deep Boring for Water in the N ew Red Marls (Keuper 

 Marls) near Birmingham, 630. — A. B. Wynne. On a Striated and 

 Facetted Fragment from Chel Hill Ohve Conglomerate, Salt Range, 

 Punjab, 631. — T. McKenny Hughes. On the Pleistocene Deposits of the 

 Vale of Clwyd, 632. — H. Carvill Lewis. Comparative Studies upon the 

 Glaciation of North America, Great Britain, and Ireland, 632. — H. 

 Johnson. On the Extension and probable Duration of the South Stafibrd- 

 shire Coalfield, 636. — Sir J. W. Dawson. On the Relations of the Geology 

 of the Arctic and Atlantic Basins, 638. — G. M. Dawson. On the Rocky 

 Mountains, with special reference to that part of the Range between the 

 49th parallel and the headwaters of the Red Deer River, 638. — F. D. 

 Adams. On the Coal-bearing Rocks of Canada, 639. — T. Rupert Jones. 

 On the Coal Deposits of South Africa, 641.— W. Boyd Dawkins. On 

 the Kerosine Shale of Mount Victoria, New South Wales, 643. — Sir J. von 



