[1921.] 



114 



WRIGHT, G. F. Origin and Distribution of the Loess. [Abstract.] Bull. Geol. 



Soc. Am. xxxii. pp. 48-49. 1921. 

 . Obit. — See Sheppaed, T., 10, &" Stare, M. 



WRIGHT, W. J. Investigations in New Brunswick and Nova Scotia. Summ. 



Rep. Geol. Stirv. Canada, 1919, pp. 1f-2f. 1920. 

 WRIGLEY, A. The Claygate Beds at Willesden Green. Froc. Geol. Assoc. xxxii. 



pp. 139-140. 1921. 



WUNDERLICH, E. Die Allgemeine Oberflachenentwicklung des Mitteleuro- 

 paischen Flachlandes. ' Festband-Albrecht Fend:,' Stuttgart, pp. 117-134. 

 1918. 



. See also Keilhack, K., 5. 



WYBERGH, W. The Limestone Resources of the Union. Vol. ii. — The Lime- 

 stones of Natal, Cape, and Orange Free State Provinces. Mem. Geol. Surv. 

 S. Afr. no. 11, pp. 1-149, tigs. 1920. 



WYCKOFF, R. W. G. An Outline of the Application of the Theory of Space 

 Groups to the Study of the Structure of Crystals. Am. Journ. Sci. ser. 5, i. 

 pp. 127-137, figs. 1921. 



2. The Crystal Structure of Alabandite (MnS). Ibid. ii. pp. 239-249, figs. 



1921. 



3. The Determination of the Structure of Crystals. Journ. Franklin Inst. 



cxci. pp. 199-230, figs. 1921. A.C. 



XANTUS, J. Bericht fiber das Marmorvorkommen in den Gyergyoer Alpen. 

 Jaliresb. Jc.-ung. geol. FeicJisanst. 1913, pp. 549-558. 1914. 



YABE, H., & S. Endo. Discovery of Stems of a Calamites from the Palaeozoic of 

 Japan. Sci. Fep. ToJwJcu Imp. Univ. ser. 2 (Geologv), v. pp. 93-95, fig., pi. xv. 

 1921. 



2, & S. Shimizu. Notes on some Cretaceous Ammonites from Japan and 



California. Ibid. pp. 53-59, figs., pis. viii & ix. 1921. 

 YOUNG, A. P. Obit.— See Spexcee, L. J.; 2. 



Y r OUNG, G. A. Coal-Seams of Gloucester County, New Brunswick. Summ. ~Rep. 



Geol. Surv. Canada, 1920. pp. 1e-5e. 1921. 

 YOUNG, G. W., & E. A. Tuenee. Excursion to Walton Heath and Headley, 



with special reference to the supposed Pliocene Deposits. Froc. Geol. Assoc. 



xxxii. pp. 231-235. 1921. 

 YOUNG, R. B. The Rocks of a Portion of Portuguese East Africa. Trans. Geol. 



Soc. S. Afr. xxiii. pp. 98-113, pis. iv-vii. 1921. 

 YRUEGAS, P. F. See Valle, A. del, 1 & 2. 



ZALANYI, B. Miocane Ostrakoden aus Ungarn. Mitt. Jahrb. Jc.-ung. geol. 



Beichsanst. xxi. pp. 85-152, figs., pis. v-ix. 1913. 

 2. Neue Beitrage zur Obermediterranen Fauna von Bujtur. Jaliresb. Jc.-ung. 



geol. FeicJisanst. 1913, pp. 605-611, fig. 1914. 

 3. Bericht fiber die Bearbeitung und Evidenzhaltung des im Jahre 1913-14 



geordneten Gesteinsmaterials der Tiefbohrungen. Ibid. 1914, pp. 563-571. 



1915. 



4. Bericht fiber meine im Jahre 1915 ausgefuhrten Geologischen Arbeiten. 



1 — Ordnung und Bearbeitung des im Laufe des Jahres 1915 eingelaufenen 



Gesteinsmaterials der Bohrungen. II — In Balatonkenese ausgefuhrte Sammel- 



und sonstige Arbeiten. Ill — Ueber meine Sammeltatigkeit im Kreiclegebiet 



von Gredistye. IV — Ueber einen neueren Fossilfundort im Neogen des 



Komitates Hunyad. Ibid. 1915, pp. 586-599, figs. 1917. 

 ZAMBONINI, F. Bemerkungen iiber die Chemische Zusammensetzung einiger 



Mineralien. ZeitscJir. f. Krist. lv. pp. 132-155, pi. iv. 1915. 

 2. Osservazioni sulla Composizione Chimica di alcuni Minerali. Memoria 



seconda. [Diottasio, Rinkite, Mosandrite e Johnstrupite.] Atti Soc. ital. 



Sci. nat. lx. pp. 258-277. 1921. 

 3. Sur la Palmierite du Vesuve et les Mineraux qui l'Accompasrnent. C. F. 



Acad. Sci. Paris, clxxii. pp. 141P-1422. 1921. 

 ZEAL LEY, A. E. V. Triplite: a possible Source of Phosphoric Acid. Fep 



Fhodesia Fes. Committee, 1921, pp. 75-76. 1921. 



2. Minerals of Rhodesia. Ibid. pp. 115-118. 1921. 



3. Magnesite. Ibid. pp. 118-121. 1921. 



■ 4. Zirconium-Ore. Ibid. pp. 130-131. 1921. 



. See also Macgeeg-oe, A. M. 



