311 



[1915-19-] 



YABE, H., 6. Notes on 0 per culina -Rocks from Japan, with Remarks on 

 " Nummulites " cumingi, Carpenter. Sci. Rep. Tohoku Imp. Univ., 

 Sendai, ser. 2, Geol. iv. pp. 105-126, figs. [geol. sections] & pi. xvii. 

 1918. 



7. Notes on a Carpenteria -Limestone from B.N. Borneo. Ibid. Geol. 



v. pp. 15-30, pis. iii-v. 1918. 

 8. Notes on a Le^Y/oq/c£?'na-Limestone from Cebu. Ibid. Geol. v. 



pp. 37-51, pis. vi-vii. 1919. 

 YAKOVLEV, N. N. On the Organization of the Rugose Corals and the Origin 



of their Characteristic Peculiarities. Geol. Mag. dec. 6, iv. pp. 108-115, 



figs. & pi. viii [diagrams]. 1917. 

 -YALE, C. G. Gold, Silver, Copper, Lead and Zinc in California and Oregon 



in 1914 (Mines Report). U.S. Geol. Surv., Min. Res. 1914, pt. i, pp. 353- 



414. 1915. 

 YASUI, K. See Jeffrey, E. C, 4. 



YCASIANO, F. R. A Recalculation of Certain Data on Steaming Tests of 

 Philippine Coals. Philippine Journ. Sci. xiii. sect. A, pp. 341-346. 1918. 

 . See also Philippine Islands, 3. 



YEHARA, S. The Cretaceous Trigoniie from Miyako and Hokkaido. Sci. 



Rep. Tohoku Imp. Univ., Sendai, ser. 2, Geol. ii. pp. 35-44, pis. i-ii. 1915. 

 2. A Huge Fossil Tree-stump, lately secured to the Geological Institute, 



Tohoku Imperial University. Ibid. Geol. iv. pp. 41-42, fig. [section] & 



pi. x. 1915. 



YELENKO, M. Resultats des etudes sur le tremblement de terre d'aout et 

 de septembre 1912 sur le mer de Marmara. C. R. Acad. Sci., Paris^, 

 clxvi. pp. 784-786. 1918. 



YOUD, H. Notes on the Occurrence of Uraniferous Ores in the Guarda 

 District, Portugal. Mining Journ. cix. pp. 243-244. 1915. 



YOUNG, A. W. See Weddeeburn, E. M. 



YOUNG, C. M. The Coal Industry of Illinois. Trans. Am. Inst. M. E. Ivii. 



pp. 560-575, fig. [index-map]. 1918. 

 . See also Andros, S. O., 9. 



YOUNG, G. A. Hydromagnesite Deposits of Atlin, B.C. Summ. Rep. Geol. 



Surv. Canada, 1915, pp. 50-61, fig. [sketch-plan]. 1916. 

 2. Burnthill Brook Map-Area, New Brunswick. Ibid. 1917, pt. F, 



pp. 1-15, fig. & 1 pi. [topogr. & geol. maps]. 1918. 

 YOUNG, G. J. A Cave Deposit. Econ. Geol. x. pp. 186-190, fig. 1915. 

 2. Brown-Coal Mining in Germany. Trans. Am. Inst. M. E. liv. 



pp. 188-203, figs. 1917. 

 YOUNG, G. W. Report of an Excursion to Horsley and Netley Heath. 



Proc. Geol. Assoc. xxvi. pp. 110-111. 1915. 

 2. The Geological History of Flying Vertebrates. Ibid. xxvi. pp. 229- 



265, figs. & pis. xx-xxii. 1915. 

 3. Report of an Excursion to Leatherhead, Polesden Valley, and the 



Gorge of the River Mole. Ibid. xxvi. pp. 320-324. 1915. 

 4. Report of an Excursion to Ashteacl, Headley-on-the-Hill, and the 



Valley of the River Mole. Ibid, xxviii. pp. 38-39. 1917. 

 . See also Boyd, A. A. ; <fc Gregory, J. W., 38. 



5, & W. D. Lang. Report of an Excursion to Charmouth and Lyme 



Regis. Proc. Geol. Assoc. xxvi. pp. 111-118. 1915. 



6, & D. Leighton. Report of a Motor Excursion to Surrey. Proc. 



Geol. Assoc. xxvi. pp. 118-120. 1915. 



YOUNG, H. I. Development and Underground Mining Practice in the 

 Joplin District. Trans. Am. Inst. M. E. Ivii. pp. 671-679, figs, [mine- 

 plan & sections]. 1918. 



YOUNG, J. Physical Geography. Pp. 1-368, figs. 8vo. London & 

 Glasgow, 1874. 



YOUNG, J. W. The Halogen Salts of Silver at Wonder, Nevada. Econ. 

 Geol. xiii. pp. 224-225. 1918; Ibid. xiv. pp. 427-430. 1919. [See also 

 Burgess, J. A.] 



YOUNG, L. E. Surface Subsidence in Illinois resulting from Coal Mining. 



III. Geol. Surv., Coal Min. Invest., Bull. no. 17, pp. 1-112, figs. & pis. i-iv 



[maps & geol. sections]. 1916. 

 2, & H. H. Stock. Subsidence Resulting from Mining. Coll. Guard, 



cxiii. pp. 717-718, 808-809, 852-854, 909-910, 946-947, 989. KM 3 -1044, 



1077-1079, 1214-1215; Ibid. cxiv. pp. 18-20, 66-67, figs. 1917. 

 YOUNG, R. B. Herbert Kynaston. [Obit.] Proc. Geol. Soc. S. Afr. x\ iii. 



pp. xxxv-xxxvi. 1915. 



