426 REPORT— 1880. 



(453) Davies, D. C. Denudation, Unconformability, and the Vale of 

 Clwyd. Ibid. p. 476. 



(454) List of Fossils described from the Bala Limestone and 



its Associated Beds of North Wales. Proc. Liverpool Geol. Soc, session 

 6, p. 30. 



(455) The Geology of Glyn Ceiriog. Bej]. Osivestn/ Field Club, 



1857-64, p. 32. 



(456) The Mountain Limestone of North Wales. Ibid. p. 50. 



(457) EsKRiGGE, R. A. The Geology of the Country around Builth. 

 Proc. Liverpool Geol. Soc, session 6, p. 20. 



(458) Hall, C. R. Some conjectural Hints towards determining the 

 ancient Coast-line of North Wales, between the River Dee and the 

 Island of Anglesea. Ibid. p. 7. 



(459) HrraT, R. British Gold, with Especial Reference to the Gold 

 Mines of Merionethshire. Quart. Journ. Sci. vol. ii. p. 635. 



(460) Jones, Prof. T. R. and Dr. H. B. Holl. Notes on the Paleozoic 

 Bivalved Entomostraca. No. 6. Some Silurian species (Primitia). A^m. 

 Nat. Hist. ser. 3, vol. xvi. p. 414. 



(461) Jukes, J. B. The Outlier of Carboniferous Limestone near 

 Corwen. Geol. Mag. vol. ii. p. 326. 



(462) Maw, G. On some Deposits of Chert, White Sand, and White 

 Clay in the Neighbourhood of Llandudno, North Wales. Ibid. p. 200. 

 (See No. 494.) 



(463) Permian Strata in the Vale of Choyd. Ibid. pp. 380, 



523. (See No. 493.) 



(464) • Letter on Quartz at Talargod Mine, Flintshire. Ibid. 



p. 428. 



(465) MtJSPRATT, Dr. S. Analysis of the Water of Llandudno, North 

 Wales. Chcm. Neics, vol. xi. p. 14 (see also p. 35). 



(466) Ness, W. On the Coal-Measures in the Mold Valley, and their 

 Products. (Brit. Assoc.) Geol. Nat. Hist. Bepertory, vol. i. p. 186. 



(467) Owen, Prof. R. Description of some Remains of an Air-breath- 

 ing Vertebrate (Anthrakerpeton crassosteum) from the Coal-shale of 

 Glamorganshire. Geol. Mag. vol. ii. p. 6. Reprinted in Trans. Cardiff 

 Nat. Soc. vol. ii. p. 108, pis. i. ii. (1870). 



(468) Phipson, Dr. T. L. Analysis of the New Phosphatic Rock 

 Recently Discovered in Wales. Chcm. News, vol. xii. pp. 219, 277. 



(469) Prosser, W. The Fossiliferous Character of the Millstone 

 Grit at Sweeney, near Oswestry, Shropshire. Geol. Mag. vol. ii. p. 



(470) Readwin, T. a. The Recent Discovery of Gold at Gwynfynydd, 

 North Wales. (Brit. Assoc.) Geol. Nat. Hist. Bepertorij, vol. i. p. 176. 



(471) Roberts, G. E. Geological Notes and Queries. Geol. Mag. 

 vol. ii. p. 89. 



(472) Salter, J. W. On the Old Pre-Cambrian (Laurentian) Island 

 of St. Davids, Pembrokeshire. Bep. Brit. Assoc, for 1864, Sections, 

 p. 67. (Correction in Geol. Mag. vol. ii. p. 430.) 



(473) On some Additional Fossils from the Lingula-flags. 



With a Note on the Genus Anopolenus by H. Hicks. Quart. Journ. Geol. 

 Soc. vol xxi. p. 476. 



(474) A Monograph of British Trilobites. Part 2. Palceon- 



tograph Soc. 4to. Lond. 



(475) Notes explanatory of a Map of the Faults of the Dolgelley 



