576 



Index. 



Trechmann, C. T., Interglacial Loess 

 and Pre-Glacial Freshwater Clays, 

 Durham Coast, 89 ; Highest Coal- 

 measure, Durham Coalfield, 203. 



Trilobites, Appendages of, by C. D. 

 Walcott : reviewed by W. T. 

 Caiman, 359. 



: Facial Suture, Professor H. H. 



Swinnerton, 103. 



Troedsson, G. T., Brachiopod Shales 

 of Scania, 35. 



Tubuai Is. and Pitcairn I., P. 

 Marshall, 131. 



Tungsten Ores, J. Coggin Brown, 44. 



Genesis of, R. H. Rastall, 93. 



Tyrrell, J. B., Placer Mines of 

 Cariboo, B.C., 520. 



Tze-tze Fly, Fossil from Florissant, 

 285. 



UNITED States National Museum, 

 235 ; Professor C. D. Walcott's 

 Collection, 289. 

 Upper Cretaceous Gastropoda, Ten- 

 nessee, Bruce Wade, 180. 



YALE of Kingsclere, Geology of, 

 H. L. Hawkins, 183. 



Van Hise, Charles Henry, Obituary of, 

 144. 



Vertebrates, Terrestrial, Origin of, 

 T. J. Jehu, 188. 



Vogt, J. H. L., Iron-ores, Scandi- 

 navia, 378. 



Volcanic Erujjtions represented on 

 Medal (1500 ?), 195. 



Volcanoes, American Papers on, 477. 



WADE, B., Upper Cretaceous 

 Gastropoda, Tennessee, 180. 

 Wagner, P. A., Minerals of South 



Africa, 427. 

 Walcott, Dr. Charles Doolittle 



(Eminent Living Geologists), 1. 



Appendages of Trilobites, 359. 



Walker, T. L.. Minerals, British 



Columbia, 234. 

 Walkom, A. B., Cretaceous Floras, 



Queensland, 422. 

 Warren, S. H., Evolution of Flint 



Implements, 189 ; Pre-History in 



Essex, 284. 

 " Wash-outs " in Coal-seams, P. F. 



Kendall, 133. 

 Water-supply of Essex, Whitaker and 



Thresh, 82. 

 Wellington (New Zealand) Philo- 

 sophical Society, 528; Titles of 



Papers read in Geological Section, 

 1917-18, 43. 



Western Front, Geology at the, T. W. 

 Edgworth David, 236. 



Weston, W. J., North Riding, York- 

 shire, 425. 



Wherry, E. T., Mimetite, Thaumasite, 

 and Wavellite, 235. 



Whitaker, W., Water-supply, Essex, 

 82 ; The Section of Worms Heath 

 (Surrey), 285. 



Wills, L. J., Geology of Llangollen, 

 384. 



Wilmore, A., & W. Hind, Carboni- 

 ferous Succession, 88. 



Wilson, G. V., Lead and Zinc Mining, 

 Scotland, 141 ; Rock-forming 

 Minerals, Glass Furnaces, 427. 



M. E., Timiskaming, Co. Quebec, 



84. 



Wirral, Settlement of, W. Hewitt, 

 187. 

 j Women admitted as Fellows, Geo- 

 logical Society, 193, 237. 



Woodward, A. Smith, Fish-remains, 

 Pickwell Down Sandstones, 102 ; 

 Dentition of Petalodont Shark, 379. 



elected President of Linnean 



Society, 290 ; appointed a Sladen 

 Trustee, 337. 



Dr. John, Will of : his Collec- 

 tion of Fossils still preserved, 338. 



Woolacott, D., Borings, Cotefield 

 Close and Sheraton, Co. Durham, 

 163; Lower Permian, Durham, 185; 

 Highest Coal-measures, Durham 

 Coalfield, 203 ; Magnesian Limestone 

 of Durham, 452, 485 ; Recent 

 Papers on the Durham Coalfield, 

 479. 



Worms Heath (Surrey), Section at, 

 W. Whitaker, 285. 



Worth, R. H., Meldon Valleys, 

 Okehampton, 40. 



Wrekin District, Carboniferous Lime- 

 stone, L. M. Parsons, 77. 



YORKSHIRE Type Ammonites, 

 S. S. Buckman, 82. 

 Yunnan Cystidea, F. A. Bather, 71, 



110, 143, 255, 318. 

 F. R. C. Reed, 92, 191. 



ZEALLEY, A. E. V., Geology of 

 Gatooma, S. Rhodesia, 283. 



Obituary of, 192. 



" Zone " of Anthracomya Phillipsi. 

 Durham Coalfield, C. T. Trechmann 

 and D. Woolacott, 203. 



Stephen Austin & Sons, Ltd., Printers, Hertford. 



