[1915-19-] 



174 



LE CONTE, J. Elements of Geology. A Text-Book for Colleges and for the 

 General Reader (Revised and partly Re-written by H. Le Roy Fairchild). 

 Fifth Edition. Pp. i-xii, 1-667, figs. [geol. maps & sections]. 8vo. New- 

 York & London, 1915. 



. Obit. — See Fairchild, H. L., 1. 



LEDNICKY, V. E. The Palidan-Slide Mine. Philippine Journ. Sci. xi. 



sect. A, pp. 241-249. 1916. 

 — — . See also Philippine Islands, 2-4; & Pratt, W. E., 11. 

 LEDOUX, A. Sur un nouveau contact de la microdiorite quartzifere de 



Quenast avec le Simrien. Bull. Soc. beige Geol., Brux. xxvii. pp. 198-201, 



figs, [maps & geol. section]. 1913. 

 2. Les roches cristallines du Kasa'i (Congo-Beige). Ire Serie : Roches 



granitiques. Ann. Soc. geol. Belg., Liege, xl. Congo, pp. 177-210, figs. & 



pis. ix-x. 1914. 



3. Pyrite de Flemalle-Haute. Bull. Soc. beige Geol., Brux. xxviii. pp. 



94-95, fig. 1914. 



4. Sur les proprietes geometriques des melanges isomorphes. Applica- 

 tion aux pyroxenes rhombiques et monocliniques. Bull. Soc. franc. Min. 

 xxxix. pp. 232-280, figs, [diagrams]. 1916. 



5. Mineralogical Exploration of East Templeton District, Quebec. 



Summ. Rep. Geol. Surv. Canada, 1915, pp. 162-168. 1916. 



6. Determination des indices de refraction principaux de substances 



anisotropes par l'observation du retard de lames minces en lumiere 

 parallele oblique. Bull Soc. franc. Min. xl. pp. 119-157, figs, [diagrams]. 

 1917. 



7. Les regions volcaniqxies du Vorder Eifel et du lac de Laach. Ann. 



Soc. geol. Belg., Liege, xl. Bull. pp. 501-516, figs. 1918. 

 8. Compte Rendu de la Session Extraordinaire de la Societe geologique 



de Belgique tenue dans le Vorder-Eifel, le district du Laacher-See et 



le Siebengebirge, Septembre 1913. Ibid. pp. 517-556, figs. [geol. sections] 



& pis. xxi— xxii. 1918. 

 — — -9. Sand and Gravel in Ontario. Ontario Bur. Mines, xxvii. pt. 2, pp. 



i-iv, 1-138, figs, [sketch-maps]. 1918. 

 . See also Haworth, E. 



10, T. L. Walker, & A. C. Wheatley. The Crystallization of Para- 



hopeite. Min. Mag. xviii. pp. 101-106, figs, [diagrams]. 1917. 

 — ■ — . Obit. — See Leriche, M., 8. 

 LEE, G. W. See Clough, C. T., 2. 



LEE, O. I., & E. T. Wherry. Manganotancalite from Amelia, Virginia. 



Am. Mineralogist, iv. pp. 80-83, figs. 1919. 

 LEE, T. H. Two New Zircon Minerals— Orvillite and Oliveiraite. Am. Journ. 



Sci. ser. 4, xlvii. pp. 126-132. 1919; and Chem. News, cxviii. pp. 125- 



127. 1919. 



2, & L. Flores de Mgraes. On Ferrazite ? A New Associate of the 



Diamond. Am. Journ. Sci. ser. 4, xlviii. pp. 353-354. 1919. 

 LEE, W. Coal in Gillespie and Mount Olive Quadrangles [Illinois]. Bull. III. 



Geol. Surv. no. 30, pp. 51-59, figs, [contour -maps]. 1917. 

 LEE, W. T. Reasons for Regarding the Morrison an Introductory Cretaceous 



Formation. Bull. Geol. Soc. Am. xxvi. pp. 303-314. 1915. 

 2. Relation of the Cretaceous Formations to the Rocky Mountains in 



Colorado and New Mexico. Prof. Papers, U.S. Geol. Surv. no. 95, pp. 



27-58, figs. & pi. v [geol. maps & sections]. 1915. 

 3. The Aztec Gold Mine, Baldy, New Mexico. Bull U.S. Geol. Surv. 



no. 620, pp. 325-330, figs, [map & geol. sections]. 1916. 

 — — -4. General Stratigraphic Break between Pennsylvanian and Permian 



in Western America. [Abstract.] Bull. Geol. Soc. Am. xxviii. pp. 169- 



170. 1917. 



5. Early Mesozoic Physiography of the Southern Rocky Mountains. 



Smiths. Miscell. Coll. lxix. no. 4, pp. 1-41, figs. [geol. sketch-map & sec- 

 tions] & pis. i-iv. 1918. 

 -6, R. W. Stone, & Others. Guide-book of the Western United States. 



Part B. The Overland Route ; with a Side Trip to Yellowstone Park. 



Bull. U.S. Geol. Surv. no. 612, pp. 1-244, figs., pis. i-xlix [relief -map & 



geol. sections] & route-map, 25 sheets. 1915. 

 LEEDS, A. N. Obit.— See Harker, A., 6; & Woodward, A. S., 21. 

 LEES, J. H. Physical Features and Geologic History of Des Moines Valley. 



Iowa Geol. Surv. xxv. pp. 423-615, figs, [topogr. maps & geol. sections] 



& pis. xxvii-lxxii [geol. maps & sections]. 1916. 



