INDEX. 



ABERDEEN University, the Nicol 

 Memorial at, 387. 

 Age of Milburn Group, A. D. N. Bain, 



246. 

 Aids in Practical Geolosy, Professor 



Grenville A. J. Cole, 91. 

 Alkali Igneous Rocks, Origin of, 



Dr. J. W. Evans, 469. 

 American Geologist of Last Century, 



James Hall, 483. 

 Amisk-Athapapuskow Lake District, 



E. L. Bruce, 282. 

 Ammonite, new g'enus, Dayictras, 



538. 

 Ammonite Siphuncle, A. E. Trueman, 



26 ; L. F. Spath, 142. 

 Ammonites, Jurassic, East Africa, 



L. F. Spath, 311, 351. 

 Antarctic Brachiopods, J. Allan 



Thomson, 42. 

 Arbouin Copper Mines, Cardross, L. C. 



Ball, 374. 

 Arran and Snowdon, Pre-Glacial 



Valleys of, J. W. Gregory, 148. 

 Arsenic and Antimony Ores, H. 



Dewey, 378. 

 Arvicola melifensis, sp. nov., Dorothea 



M. A. Bate, 210. 

 Australia, South, Mines of, 184, 520. 



Dolomites, 449, 492. 



Phosphates, 181. 



BAIN, A. D. N., Age of Milburn 

 Group, 246. 



Baker, Herbert A., Quartzite Pebbles 

 of Oldhaven Beds, 62 ; Mechanical 

 Constitution of Arenaceous Sedi- 

 ments, 321, 363, 411, 463. 



Ball, L. C, Arbouin Copper Mines, 

 Cardross, 374. 



Barke, F., Quartzose Conglomerate, 

 Staffs, 76. 



Bastin, E. S., Ores of Tonopah, 

 Nevada, 183. 



Bate, Dorothea, M.A., New Vole, etc., 

 from Malta, 208. 



Bather, F. A., Mendelism and 

 Palaeontology, 470 ; Palseontological 

 Abstracts, 191 ; Presidential 



■ Address, Sect. C Brit. Assoc, 473. 



Beasley, Henry C, Obituary of, 94. 



Beerbachite Lizard, Prof. T. G. 

 Bonney, 339. 



Billings, Walter R., Obituary of, 287. 

 VOL. LVII. — NO. XII. 



Block Mountains in New Zealand, 



C. A. Cotton, 90, 178. 



Bonney, Professor T. G., Beerbachite, 

 Lizard, 339; Glacial Erosion, 431. 



Bosworth, T. O., Mid-Continental 

 Oilfields, 428. 



Boule, Marcellin, The Grimaldi 

 Caverns, 130. 



Bournemouth, Chines and Cliff's, 

 Henry Bury, 71. 



Cliffs, C. Carus-Wilson, 384. 



Bowen, N. L., Crystallization - 

 Differentiation, 238 ; Differentia- 

 tion in Igneous Magmas, 86. 



" Brachiopod Beds " of the Midlands, 

 Distribution oiProdtictus humerosus, 

 Professor T. Franklin Sibly, 20. 



Brachiopod, Genus Plat i/ si rophia, Eula 



D. McEwan, 88. 



l^tlierMgina, D. K. Greger, 535. 



Nomenclature, J. Allan 



Thomson, 47. 

 The Genotype of Spirifer, 



S. S. Buckman, 18. 

 Bragg, W. L., Crystal Structure, 472. 

 Brammall, Alfred, Micyochemical 



Methods, 123. 

 British Association, Cardiff, 1920, 



469 ; F. A. Bather's Address, 473. 

 British Museum Staff, 581. 

 Brooks, Charles E. P., British 



Quaternary Deposits, 423. 

 Brown, J. Coggin, Tungsten and Tin 



in Burma, 92. 

 Bruce, E. L., Amisk-Athapapuskow 



Lake District. 282. 

 Brydone, R. M., Lingula in the Chalk, 



429; Origin of Flint, 401. 

 Buckman, S. S., The Genotype of 



Spirifer, 1 8 ; Jurassic Chronologv, 



137. 

 Bury, Henry, Chines and Cliffs of 



Bournemouth, 71 ; Escarpments 



and Transverse Rivers, 120. 

 Butler, G. Montague, Handbook of 



Mineralogy, 181. 

 Gerard W., Fauna of Lower 



Chalk near Reigate, 269. 



CAINOZOIC Fossils, Papua, F. 

 Chajjman, 92. 

 Caldon Low, Staffs, Quartzose Con- 

 glomerate at, F. Barke, Wheelton 

 Hind, A. Scott, 76 



36 



