424 EEPOBT— 1880. 



Earthquake Waves, through the Local Rock Formations. Bep. Brit. 

 Assoc, for 1861, p. 201. (Note on the Geology of Holyhead, pp. 204-7, 

 Section in Plate 3.) Also Phil. Trans., vol. cli. (Part 3), p. 655. 



(412) Phillips, J. A. Gold Mining and the Gold Discoveries made 

 since 1851. Journ. Soc. Arts (May 16). 



(413) Ramsay, Prof. A. C. On the Glacial Origin of certain Lakes in 

 Switzerland .... Great Britain .... and elsewhere. Quart. Journ. 

 Geol. Soc. vol. xviii. p. 185. 



(414) Readwix, T. a. The Gold-bearing Strata of Merionethshire. 

 8vo. [See 428.] 



(415) List of Gold Ores from Merionethshire, North Wales, 



exhibited at the International Exhibition, 1862. ' Examiner ' Office, Man- 

 chester. 



(416) Riley, E. On the Manufacture of Iron (Analyses of Ores and 

 Coals). Trails. Soc. Eng. for 1861, p. 59. 



(4x7) Smyth, W. W. Gold Mining at Clogau, North Wales. Mining 

 and Smelting Mag. vol. i. p. 359. 



(418) Weight, T. Roman Mining Operations on the Borders of 

 Wales. Intellcctnal Observer, vol. i. p. 295. 



1863. 



(419) Anox. Bone-cave at Cefn, Flintshii-e. Geologist, vol. vi. p. 114!. 



(420) Clement, J. H. Notice of Welsh Gold. Proc. Geol. Assoc. 

 vol. i. p. 279. 



(421) Daijbishire, R. D. On Marine Shells in Stratified Drift at 

 High Levels on Moel Tryfaen, Caernarvonshire. Proc. Lit. Phil. Soc. 

 Manchester, vol. iii. p. 177. 



(422) Davidson, T. A Monograph of the British Fossil Brachiopoda. 

 Part V. The Carboniferous Brachiopoda. No. 5. (Wales, Plates 51, 55.) 

 Palceontograph Soc. 4to. Lond. 



(423) Deckwoimh, H. Report of the Excursion made by the Society 

 to Holywell. Proc. Liverpool Geol. Soc. session 3, p. i. 



(424) Geuxer, — & — Lau. The Iron Manufacture of South Wales 

 (from Ami. Mines, 5 ser. t. xx. p. 515). Mining and Smelting Mag. 

 vol. iii. p. 1. 



(425) Mallet, R. Appendix to the Account of the Earthquake- Wave 

 Experiments made at Holyhead. [Compressibility and structure of the 

 rocks.] Phil. Trans, vol. clii. (Part 2), p. 663. 



(426) Morton, G. H. On the Ancient Glaciers of Snowdon. Proc. 

 Liverpool Geol. Soc. session 4, p. 3. 



(427) Ramsay, Prof. A. C. Presidential Address to the Geological 

 Society of London. Breaks in Succession of the British Palaeozoic Strata. 

 Quart. Journ . Geol. Soc. vol. xix. p. xxxvi. 



(42S) Readwin, T. a. On the Gold-bearing Strata of Merioneth, 

 shire. Pep. Brit. Assoc, for 1862, Sections, p. 87. (? the same as 414). 



(429) Salter, J. W. On the Discovery of Paradoxides in Britain. 

 Quart. Journ. Geol. Soc. vol. xix. p. 274. 



(430) On the Upper Old Red Sandstone and Upper Devonian 



Rocks. Ihid. p. 474. 



(431) On the Identity of the Upper Old Red Sandstone with 



the Uppermost Devonian (the Marwood Beds), and of the Middle and 

 Lower Old Red with the Middle and Lower Devonian. Pep. Brit. Assoc. 

 for 1862, Sections, p. 92. (This seems to be the same as 430.) 



