[i8 99 .] 



84 



RICHTER, E. 4. Die Aibeiten der internationalen Gletscherkommission. Peterm, 



MittJi. xlv. pp. 14-16. 1899. 

 RICHTER, — . Ueber Neoeompflanzen aus der Kolbschen Sandgrube bei Quedlin- 



burg. Zeitschr. deutsch. geol. Gesellsch., li. Protolc. pp. 39-41. 1899. 

 2. Ueber Quedlinburger Kreideconiferen, insbesondere solcbe, welcbe an 



Geinitzien und Sequoien erinnern. Ibid. pp. 43-44. 1899. 

 RICHTER, T. See Obit., Raymond, R. W. 



R1CHTHOFEN, F. von. Die neue geologische Karte von Oesterreich. [J± m -~\ 



Zeitschr. f. prakt. Geol. 1899, pp. 167-173. 1899. 

 RICKARD, F. Notes on the Vein-Formation and Mining of Gilpin County, 



Colorado. Trans. Am. Inst. M. E. xxviii. pp. 108-126, figs. 1899. 

 RICKARD, T. A. The Alluvial Deposits of Western Australia. Trans. Am. 



Inst. M. U. pp. 490-537, figs. [Map, 1 inch =50 miles.] And A.C. 

 RICKMER, W. R. Travels in Bokhara. Geoff r. Journ. xiv. pp. 596-617, figs. & 



1 map. 1899. 



RIDLEY, H. N. On the Caves in the Malay Peninsula [Selangor], Bep. Brit. 



Assoc. 1898, pp. 571-582, figs. 1899. 

 RIES, H. Geology of Orange County. Ann. Bep. 1ST. Y. State Mus. 1895, ii. 



pp. 393-475, figs., pis. i-xlii [Maps] & 1 Map. 1898. 

 2. Physical Tests of the Devonian Shales of New York State to determine 



their Value for the Manufacture of Clay Products. Ibid. pp. 673-699. 1898. 

 3. Feldspar and Quartz. Ann. Bep. TJ.S. Geol. Surv. xviii. 1896-97, pt. v. 



pp. 1365-1368. 1897. 

 4. The Kaolins and Fire-Clays of Em-ope. Ibid. xix. pt. vi fno. 2], pp. 377- 



486. 1898. 



5. Tbe Ultimate and the Rational Analysis of Clays and their Relative Ad- 

 vantages. Trans. Am. Inst. M. B. xxviii. pp. 106-166. 1899. 



RIGAUX, H. Les Modifications de la Plage de Wissant. Ann. Soc. geol. JVord, 

 xxviii. pp. 84-92. 1899. 



RIGGS, E. S. The Mylagaulidse, an extinct Family of Sciuromorph Rodents. 

 [Mylac/atihis & Protoga%dus7\ Field Columbian Mus., Publication 34. Geol. 

 Ser. i. no. 4, pp. 181-187, fisjs. 1899. 



RILEY, E. See Glass, J. G. H. 3 &c. 



RINNE, F. Beitrag zur Kenntniss der Natur des Krystallwassers. [Heulandite.] 



JV. J.f. Min. 1899, i. pp. 1-31, figs. 1899. 

 RIOS, J. A. de DOS. Estudio del Agua de Lima. Bev. Cienc, Lima, ii. pp. 73-86. 



1899. 



RISTORI, G. Resti d'Orso nel Quaternario di Ponte alia Nave (dintorni d'Arezzo). 



Atti Soc. tosc. Sci. Nat., Mem. xvi. pp. 229-239. 1898. 

 RITTER, E. See Dupaec, L., &c. 



RIVA, C. Relazione sommaria delle Gite compiute nei Dintorni di Lagonegro in 



Occasione della Riunione estiva deila Societa geologica italiana. Boll. Soc. geol. 



ital. xvii. pp. cxlii-cl. 1898. 

 ■ 2. Brochantite di Rosas (Sulcis). Atti B. Ace. Lincei, ser. 5, Bendic. viii. 



sem. 1, pp. 347-348. 1899 ; Biv. Min. e Crist, ital. Padova, xxii. pp. 89 & 90. 



1899. 



3. Ueber einige Mineralien von Rosas (Sardinien). [Aurichalcite, Azurite, 



Brochantite, Calamine, Cerussite, Linarite, &c] Zeitschr. f. Kryst. xxxi. 

 pp. 532-537. 1899. 



RIVIERE, E. Les Tufs de La Gaubert (Dordogne). C. B. Assoc. franc. Av. Sci. 



1898, xxvii. pt. ii. pp. 332-336, figs. 1899. 

 ROBSON, J. T. See Atkinson, J. B., &c. ; also Fostee, C. Le N. 

 ROCCATI, A. Nuove Ricerche sulla Provenienza del Materiale roccioso della Collina 



di Torino. Atti B. Acc. Sci. Torino, xxxiv. pp. 817-828, 1 pi. [Map, Torino 



District,^.] 1899. 

 ROCHELT, F. See Obit., Tietze, E. 

 ROGERS, A. F. See Beede, J. W., &c. 



ROGERS, A. W. Report on the Survey of the Stellenbosch District. Ann. Bep. 



Geol, Comm. Cape Colony, 1897, pp. 45-49. 1898. 

 . See Corstoephine, G. S. 



, & E. H. L. Schwaez. Report on the Survey of the Country between the 



Karoo and the Langebergen. Ann. Bep. Geol. Comm. Cape Colony, 1897, 

 pp. 59-69. 1898. 



2. Notes on the Recent Limestones on parts of the South and West 



Coasts of Cape Colony. Trans. S. A. Phil. Soc. x. pp. 427-436, figs., pi. x. 

 1898. 



