177 



[1915-19-] 



LEVY, A. Michel. Biogr. — See Lacroix, A., 71. 

 . Obit. — See Lacroix, A., 4. 



LEVY, D. M., & H. Jones. The Morro Velho Method of Assay of Gold- 

 Bearing Cyanide Solutions. Trans. Inst. Min. & Metall. xxiv. pp. 

 478-480. 1915. 



LEVY, S. I. The Rare Earths : their Occurrence, Chemistry, and Technology. 



Pp. i-xiv, 1-345, figs. 8vo. London, 1915. 

 LEWER, R. R. See Porro, C. 



. Obit. — See Harker, A., 4. 



LEWIS, E. H. See Deny, E. 



LEWIS, J. H. See Henshaw, F. F., 4. 



LEWIS, J. O. Petrology of Reservoir Rocks. Econ. Geol. xiii. pp. 65-69. 



1918. [See also Latter, A. W. ; cfc Rogers, G. S., 4.] 



2, & C. EE. Beal. Some New Methods for Estimating the Future Pro- 

 duction of Oil Wells. Trans. Am. Inst. M. E. lix. pp. 492-520, figs, 

 [diagrams] 1918. 



LEWIS, J. V. Origin of Pillow Lavas. Bull. Geol. Soc. Am. xxv. pp. 591-654, 



figs. [geol. sections] & pis. xv-xxv. 1914. 

 2. Magnetic and Non-Magnetic Chrome. Econ. Oeol. xiv. pp. 491-494. 



1919. [See also Singewald, J. T., 1.] 



3. The Magmatic Origin of Barite Deposits. Ibid. pp. 568-570. 1919. 



. See also Stose, G. W. 



LEWIS, R. S. The Book Cliffs Coal Field, Utah. Trans. Am. Inst. M. E. 1. 



pp. 658-678, figs, [map & geol. section]. 1915. 

 LEWIS, W. J. On Crystals of Albite from Alp Rischuna, and Pericline Twins 



from La Fibbia, Switzerland. Min. Mag. xvii. pp. 178-188, pi. vii. 



1915. 



LI, S. Y. See Wheler, A. S., 2. 

 LIEBER, H. Obit.— See Kayser, E., 2. 



LIEBISCH, T. Physikalische Krystallographie. Pp. i-viii, 1-614, figs. & 



pis. i— ix. 8vo. Leipzig, 1891. 

 LIGHTFOOT, B. The Waukie Coal Field of Rhodesia. [Abstract.] Coll. 



Guard, cxviii. p. 1298. 1919. 



. See also Maufe, H. B., 8; cfc Zealley, A. E. V., 10. 



LIGNIER, O. Obit.— See Seward, A. C, 3. 



LINCIO, G. Rocce e minerali del monte Colmine ed adiacenze. Mem. R. 



Acc. Lincei, ser. 5, x. pp. 421—487, pis. i— v. 1914. 

 2. Note preliminari su alcuni minerali del giacimento metallifero di 



Borgo franco dTvrea. Atti R. Acc. Lincei, ser. 5, Rendic. xxv. sem. 1, 



pp. 227-230. 1916. 

 — 3. Note litologiche e mineralogiche sui dintorni di Avigliana. Atti R. 



Acc. Sci. Torino, lii. pp. 677-688, fig. 1917. 

 4. Le gisement de stibine et la pyrite en epigenies de Nautiloi'des de Su 



Suergiu (Villasalto, Sardaigne). C. R. Acad. Sci., Paris, clxvi. pp. 



737-738. 1918. 



LINCK, G. Albert Ritzel. [Obit.] Geol. Rundsch., Leipzig, vii. pp. 302- 



303, pi. vi [portrait]. 1916. 

 LIND, S. C. See Parsons, C. L. 



LINDEMAN, E., & L. L. Bolton. Iron Ore Occurrences in Canada. Intro- 

 ductory by A. H. A. Robinson. Canada Dep. Mines, Mines Branch, 

 no. 217. Vol. I. — Descriptions of Principal Iron Ore Mines, pp. i-vii, 

 1-71, pis. i-xxiii. Vol. II. — Descriptions of Iron Ore Occurrences, pp. 

 i— ii, 1-222. 57 geol. & magnetometric maps. 1917. 



LINDEMANN, F. A. The Age of the Earth. Nature, xcv. pp. 203-204, 

 372. 1915. [See also Stromeyer, C. E.] 



LINDGREN, W. Geology and Mineral Deposits of the National Mining 

 District, Nevada. Bull. U.S. Geol. Surv. no. 601, 1-58, figs. & pis. i-viii 

 [geol. maps & sections]. 1915. 



2. The Origin of Kaolin. Econ. Geol. x. pp. 89-93. 1915. 



3.. Processes of Mineralization and Enrichment in the Tintic Mining 



District. Ibid. pp. 225-240, pis. ix-x. 1915. 



4. The Origin of the " Garnet Zones " and Associated Ore Deposits. 



Trans. Am. Inst. M. E. xlviii. pp. 201-208. 1915. 



5. Gold and Silver Deposits in North and South America. Ibid. lv. pp. 



883-909, figs. [maps]. 1917. 



— — 6. The Occurrence of the Halogen Salts of Silver. Econ. Geol. xiii. pp. 

 225-226. 1918. [See also Burgess, J. A.] 



7. John Duer Irving. [Obit.] Ibid. pp. 413-418, pi. [portrait]. 1918. 



N 



