79 



[i 9 io.] 



LANE, A. C, 2. Wet and Dry Differentiation of Igneous Rocks. Tufts Coll. 



Studies, iii. pp. 39-54, figs. 1910. 

 LANG, R. Leber eine Eintheilung nichtmetamorplier Sedimente in Tiefenzonen 



nacli der Ausbildung ihrer Eisen und Aluminium-Mi neralien. [Kaolin.] Cen- 



tralbl.f.Min. 1910, pp. 69-76. 1910. 

 2. Der Mittlere Keuper im Siidlichen Wurttemberg. Jahresh. Ver. NattirTc. 



Wurtt. lxvi. pp. 1-54, figs., pis. i-ii. 1910. 

 3. Beitrag zur Stratigraphie des Mittleren Keupers zwiscben der Schwabis- 



cben Alb und dem Schweizer Jura. Geol. Paldont. Abh., Jena, xiii. pp. 235- 



267,pl.xxix. 1910. 



4. Die techniscbe Venvendbarkeit der Werksteine des schwabischen Stuben- 



sandsteins. Zeitschr.f. prakt. Geol. xviii. pp. 380-389. 1910. 

 LANGERON, — . See Marty, P. 



LANGHOFFER, A. Spieidion Beusixa. [Obit.] ' Glasnilc ' Soc. Hist. nat. 



Croatica, xxi. pp. 128-129. 1909. 

 LANGTON, D. W., fil. Obit.— See Smith, E. A. 

 LANZI, L. See Ve'eri. A. 



LAPPA RENT, A. be. Obit.— See Douville, H., 6. 



LAPPARENT, J. de. Les Gabbros et Diorites de Saint-Quay-Portrieux et leur 

 Liaison avec les Pegmatites qui les traversent. Bull. Soc. franc. Min. xxxiii. 

 pp. 254-270, fig. 1910. 



2. Sur les Roches basiques de Saint-Quay-Portrieux (C6tes-du-Nord). C. B. 



Acad. Sci. Paris, cl. pp. 930-932. 1910. 



. See also Teemiee, P., 3. 



LAPWORTH, C, & W. W. Watts. Shropshire. Geol. Assoc., Jubilee Vol. 



Pt. iv. pp. 739-769, figs., pis. xxiv-xxv. 1910. 

 LAPWORTH, H. The Application of Geology to Public Works Construction. 



Trans. Leeds Geol. Assoc. xv. pp. 18-19. 1910. 

 LARKIN, P. The Occurrence of a Sauropod Dinosaur in the Trinity Cretaceous of 



Oklahoma. With Note by S. W. Willistok. Journ. Geol., Chicago, xviii. 



pp. 93-98, figs. 1910. 

 LARNE, P. Arene bourguignonne et Grouine lorraine. C. B. Assoc. franc. Av. 



Sci. xxxviii. Lille, 1909, pp. 412-417. 1910. 

 LASKA, V. Ueber seismische Laufzeitkurven. Mitth. JErdbeben-Komm. 7c. AJcad. 



Wissensch. Wien, xxxviii. pp. 1-8. 1910. 

 LA TOUCHE, T. H. D. Relics of the Great Ice-Age in the Plains of Northern 



India. Geol. Mag. dec. 5, vii. pp. 193-201. 1910. 

 2. Lakes of the Salt Range in the Punjab. Bee. Geol. Surv. India, xl. 



pp. 36-51, pis. i-xiv. 1910. 

 3. Notes on certain Glaciers in Sikkim. Bee. Geol. Surv. India, xl. pp. 52-62, 



pis. xv-xxvii. 1910. 



4. General Report of the Geological Survey of India for the Year 1909. Bee. 



Geol. Surv. India, xl. pp. 75-122. 1910. 

 5. The Mineral Production of India during 1909. Bee. Geol. Siirv. India, 



xl. pp. 123-184. 1910. 

 LAUNAY, L. de. Etudes sur le Plateau Central. — III. Les Roches eruptives 



Carboniferes de la Creuse (Feuille d'Aubusson). Bull. Serv. Carte geol. Prance f 



xii. no. 83, pp. 1-120, figs., pis. i & ii [geol. maps]. 1902. 

 ■ 2. Sur le Poids Atomique moyen de l'Ecorce Silicatee Terrestre. C. B. Acad. 



Sci. Paris, cl. pp. 1270-1272. 1910. 

 3, & G. Uebain. Sur la Metallogenie des Blendes et des Mineraux qui en 



derivent, C. B. Acad. Sci. Paris, cli. pp. 110-112. 1910. 

 LAVRSKI, A. See Keotov, P., 3. 



LAWRENCE, B. B. El Cobre Copper-Mines, Santiago de Cuba. Mines Sf Minerals, 



Scranton, xxxi. pp. 235-239, figs. 1910. 

 LAZAREVIC, M. Ein neues Triplitvorkommen aus Nordwestbohmen und seine 



Begleiter. Centralbl.f. Min. 1910, pp. 385-388. 1910. 

 2. Ein Beispiel der ' Zeolith-Kupfer-Formation ' im Andesit-Massiv O.stser- 



biens. Zeitschr. f. prcrfct. Geol. xviii. pp. 81-82. 1910. 

 LEACH, A. L. A Kentish Cbalk-Mine. [Chislehurst Caves.] Essex Nat. xv. 



pp. 263-265. 1910. 



2. North Kent and Adjoining Parts of Surrey. Geol. Assoc., Jubilee M>l . 



Pt. ii. pp. 236-255, figs. 1910. 

 3. On a Glacial Drift at Marros, near Amroth. Geol. Mag. dec. 5, vii. 



pp. 278-279, fig. 1910. 

 4. Note on a Section in probable Bagshot Beds on Shooter's Hill (Kent). 



Geol. Mag. dec. 5, vii. pp. 405-407, fig. 1910. 



