127 



[1912.] 



RIEDEL, 0. Chemisch - mineralogisches Profil des alteren Salzgebirges im 

 Berlepschbergwerk bei Stassfurt. Zeitsehr. f. Kryst. 1. pp. 139-173, pi. iii. 

 1911. 



RIES, H. Report on Prosress of Investigation of Clav Resources. Summ. Eep. 



Geol. Surv. Canada, 1911, pp. 225-229. 1912. 

 2. Whiteware Materials in Ontario and Quebec. Kaolin near Huberdeau 



(Quebec). Summ. Eep. Geol. Surv. Canada, 1911, pp. 229-232. 1912. 

 3, & J. Keele. Preliminary Report on tbe Clay-and Shale- Deposits of the 



Western Provinces. Canada, Dep. Mines, Geol. Surv. Mem. no. 24 E, 



Pp. 1-231, tigs., pis. i-lxi. 8vo. Ottawa, 1912. 

 RIMAXX, E. Ueber die Beziehungen des Riesengebirgsgranits (' Granitit ') zu 



deni ihn im Siiden begleitenden ' Granit '-zusre. Centralbl. f. Min. 1912, 



pp. 33-34. 1912. 



RIXXE, F. Salzpetrographie und Metallographie im Dienste der Eruptivgesteins- 



kunde. Fortsehr. Min. Krist. u. Petrogr., Jena, i. pp. 181-220, figs. 1911. 

 2. Xatiirliche Trauslationen an Steinsalzkrvstallen. Zeitsehr. f. Kryst. 1. 



pp. 259-262, pi. v. 1911. 

 3. Allgemein gultige Kegel zur Konoskopischen Bestinimung des Charakters 



der Doppelbrechung in Diinnschliflen. Min. petr. Mitt. xxx. pp. 321-323, fics. 



1911. 



4. Ueber Gvralen. Xotiz zur Krvstallographischen Xomenclatur. Zeitsehr. f. 



Kryst. 1. pp.'6l>5-606. 1912. 

 5, & R. Kolb. Optisches zur Modifikationsiinderung von a- in /3-Quarz sowie 



von a- in ^-Leucit. X. J.f. Min. 1910, ii. pp. 138-158, figs. 1910. 

 IlfTZEL, A. Kristallplastizitat. Fortsehr. Min. Krist. u. Petrogr., Jena. ii. 



pp. 62-73, figs. 1912. 

 2. Die Kristallisations- und Aufldsungsgeschwindigkeit. Fortsehr. Min. 



Krist. u. Fetrogr., Jena, i. pp. 86-98, figs. 1911. 

 RIVIERE, E. Les Sablieres Quaternaires du Perreux (Seine). C.B. Assoc. franc. 



Av. Sci. xl. Dijon, 1911, pp. 421-431, figs. 1912. 

 lilZZO, G. 13. Sulla Propagazione dei Movimenti prodotti dal Terremoto di 



Messina del 28 Diceinbre 1908. Mem. E. Acc. Sci. Torino, ser. 2, lxi. pp. 3c5- 



417, 1 pi. 1911 ; & Xature, lxxxvi. p. 213. 1911. 

 ROBERT, M. La Stratigraphie du Systeme du Kundelungu au Katanga. Ann. 



Sac. geol. Belg., Liege, xxxix. Congo, pp. 5-8. 1912. 

 2. Les Caracteres du Relief du Plateau des Kundelungus. Ann. Soc. geol. 



Belq., Liege, xxxix. Congo, pp. 25-3U, fig. 1912. 

 ROBERTS, G. J. Chalk Fossils from Huuton Bridge. Trans. Herts. Nat. Hist. 



Soc. xiv. pp. 189-192. 1911. 

 ROBKRTS. J. Notes on the Glacial Action in Swansea and District. Ann. Eep. 



Boy. Inst. S. Wales, 1909-1910, pp. 107-108. 1910. 

 ROBERTS, K. D. Obit.— See A>o>\, 14 ; Watts, W. W. 



ROBEKTSOX, W. F. Preliminary Report on the Portland Canal Mining Division. 



Bull. Brit. Columbia Bur. Mines, no. 2, pp. 1-16, figs. 1910. 

 . See British Columbia, Dep. Mines. 



ROCCATI, A. Ricerche Lito-Mineralogiche sopra alcuni Pozzi Profondi della 

 Piauura Padana. I. Pozzo di Alessandria. Atti B. Acc. Sci. Torino, xlvii. 

 pp. 770-791. 1912. 



2. Ricerche Lito-Mineralogiche sopra alcuni Pozzi Profondi della Pjfliiura 



Padana. II. Pozzi di Suzzara, Galliera. Massa Loinbarda e Lodi. Atti E. Acc. 

 Sci. Torino, xlvii. pp. 1014-1036. 1912. 



R(EDER, C. Obit.— See .Iubd, J. W., 3. 



RCENTGEX, W. C. Bestimmungen des Thermischen Linearen Ausdehnungs- 



koeffizienten von Cuprit und Diamant. Sitz. k.-bayr. Akad. Wissenscli. 



1912, pp. 381-387. 1912. 

 ROGALA, W. Oligozanbildungeu am Hohenriicken. Bull. Internat. Acad. Sci. 



Cracovie, 1910, A. pp. 512-515. 1910. 

 ROGEHS, A. F. Baddeleyite from Montana. Am. Journ. Sci. ser. 4, xxxiii. 



pp. 54-56. 1912. 



2. Lorandite from the Rambler Mine (Wy.). Am. Journ. Sci. ser. 4, xxxiii. 



pp. 105-106, figs. 1912. 



3. Dahllite (Podolite) from Tonopah (Xev.) ; Vcelckerite, a new basic Calcium 



Phosphate : and Remarks on the Chemical Composition of Apatite and Phos- 

 phate Rock ; with Analyses by G. E. Postma. Am. Journ. Sci. ser. 4, xxxiii. 

 pp. 475-482, figs. 1912. 



— 4. The Occurrence and Origin of Gypsum and Anhydrite at the Ludwig 



Mine. Lvon Countv (Xevada). Fcon. Geol. vii. pp. 185-189, figs. 1912. 



■— 5. The Paragenesis of Minerals. Fcon. Geol. vii. pp. 638 -646. 1912. 



