109 



[^913-] 



RIDGWAY, J. L. The Preparation of Geological Reports. Preliminary Prepara- 

 tion, Econ. Geol. viii. pp. 279-289. 1913. 



RIEDEL, A. Bericlit liber die Exkursion vAxm. (E.sel und zur Asse. Jahresh. 

 niedersdchs. geol. l^er. 1912, pp. iii-v. 1913. 



2. Bericlit iiber die Exkursion zura Xussberge, nacli Gliesmarode, Querum und 



Bienrode. Jahresh. niederscichs. geol . Ver. 1912, pp. v-vi. . 1913. 



3. Eiu Diluviales Eisensteinkonglomerat bei Beinrode, nordlicli von Braun- 



scliweig. Jahresh. niedersdchs. geol. Ver. 1912, pp. 119-122. 1913. 



RIEKE, R. See Endell, K., 4. 



RIETZ, H. L. See Lincoln*, F. C. 



RIGGS, E. S. New or little-known Titanotlieres from tbe Lower Uintah Forma- 

 tions. With Notes on the Stratigraphy and Distribution of Fossils. Field 

 Columhian Mus. Puhl. 159, geol. ser. iv. No. 2, pp. 17-41, figs., pis. iv-xii. 1912. 



RIMANN, E. Geologische und Wirtschaftliche Betrachtnngen iiber Deutsch- 

 Siidwestafrika. Sitz. u. Ahh. Gesellsch. ' Isis,' 1912, pp 57-78, pi. ii. 1913. 



RIM BACH, C. Versuche liber Gebirgsbildung. N. J. f. Min., Beilage-Band 

 XXXV. pp. 689-752, tigs. 1913. 



RINNE, F. Kristallographisch-Chemischer Ab- und Umbau, insbesondere von 

 Zeolithen. Forfschr. 3£in. Krist. u. Pet. iii. pp. 159-183, figs. 1913. 



RITZEL, A. Translation und Anomalc Doppelbrechung bei 8teinsalz und Sylvin. 

 Zeitschr.f. Kryst. lii. pp. 238-276, tigs. 1913. 



RIVA-PALAZZI, G. See Taeamelli, T. 



ROBARTS, N. F. An Achill-Island Tumulus. Froc. Frehist. Soc. F. Anglia,. 



i. pp. 332-334. 1913. 

 ROBE KTSON, W. F. Notes on a Trip to Dease Lake and to the Groundhog Coal-^ 



field. Ann. Eep. Fep. llines, B.C. 1912, pp. 65-94, figs. 1913. 

 2. Coal-Mining in British Columbia. Ann. Rep. Dep. Mines, B.C. 1912,. 



pp. 242-250. 1913. 

 . See also British Columbia, Bureau of Mines. 



ROBINSON, V. N. Nouvelles Donnees sur la Structure Geologique du Caucase du 



Nord dans le Bassin des Fleuves Belaja et Laba. [In Russian.] Bull. Acad. 



Imp. Sci., St. Fetersh. vii. pp. 33-38. 1913. 

 ROBSC)N, G. C. Helminthociton (Bquivoca, n. sp.. Lower Ordovician, Bohemia. 



Geol. Hag. dec. 5, x. pp. 302-304, figs. 1913. 

 ROCCATI, A. II Talco delle ' Grangie Subiaschi' in Val Pellice (Alpi Cozie) ed i 



Miiierali ad esso Associati. Atti F. Acc. Sci. Torino, xlviii. pp, 630-642. 1913. 

 ROESENER, F, Vergleichende Untersuchungen liber die Perioden der Erdbeben- 



wellen, mit besonderer Beriicksichtigung der Nachlauferwellen. Beitr. 



Geophys., Leipzig, xii, pp. 207-276, figs. 1913. 

 ROGALA, W. Gorno-kiedovve utovory na Podolu Galicj-jskiem, Czesc I. Turon. 



Biala Kreda z Krzemieniami. Bozpr. Akad. Umiej. Krakow, ser, 3, xi. A, 



pp. 9-39, pi. i. 1911. 

 ROGERS, A. F. Introduction to ^he Studv of Minerals: a combined Text-book 



and Pocket Manual. Pp. i-xx, 1-522, figs. New York, 1912. 

 — — 2. Delaf'ossite, a Cuprous Metaferrite from Bisbee (Arizona). Amer. J. Sci. 



ser. 4, XXXV, p]). 290-294, fig, 1913. 

 3. Upward Secondary Sulphide Enrichment and Chalcocite Formation at 



Butte (Montana). Fcon. Geol. viii. pp. 781-794, figs. 1913. 

 4. Observations on the Feldspars. Jovrn. Geol., Chicago, xxi. pp. 202-207, 



fiijs. 1913. 



5. Dahllit (Podolit) von Tonopah, Nevada; Vcelckerit, ein neues Basisches 



Calciumphosphat ; Bemerkungen liber die Cliemisclie Zusammensetzung von 

 Aj.atit und Phosphorit. Zeitschr.f. Kryst. lii. pp. 209-217, fig. 1913. 



ROGEKS, A. W. Geological Survey of Parts of Van Rhyn's Dorp and Namaqua- 

 land Divisions. Ann. Rep. geol. Comm., Cape of Good Hope, xvi. (1911), 

 pp. 9-84, figs. 1912. 



. See also Cape of Good Hope, Dep. Mines, &c. 



ROGKPiS, G. S. Overthrust Fault in Nearlv Flat Strata. Journ. Geol., Chicago, 



pp. 534-536, figs. 1913. 

 2. A Studv in the Petrology of Sedimentary Rocks. Jotirn. Geol., Chicago, 



xxi. ].p. 711-727, figs. 1913. 

 ROLIjIKB, L. Ueber die Obercretacischen Pyritmcrgel (Wang- und Seowener- 



Mergel) der Schwyzeralpen. Fclogce Geol. Uelv. xii. ])p. 178-180. 1912; and 



I'erh. schtveiz. naturf. Gesellsch. 95. .lahrgang, ii. j)]). 203 -207. 1912. 

 2, Fossiles Nouveaux on pen connus des Terrains Secondaires (Mesozolques) 



du Jura et des Contrees p]nvironnantos. Part 2. Mem. Soc. paleont. suisse,. 



xxxviii. pp. 33-146, figs., pis. v-xii, 1912. 



