77 



[i 9 oi.] 



(EHLERT, D. P. 3. Note sur la Publication par Keproduction des Types Decrits efr 

 Figures anterieurement. C.B. Congres geol. intemat, viii.])]). 275-281. 1901. 



OEYEN, P. A. Bidrag til vore Braeegnes Geografi. Ni/t Mag. Naturvid. xxxviL 

 pp. 73-229. 1900. 



. See Richter, E., &c. 



OGILVIE, W. See Dall, W. H., Ac; & Teimmeb, F. M., &c. 

 O'HARA, C. C. See Clark, W. B., &c. 



OLDHAM, R. I). On the Propagation of Earthquake-Motion to Great Distances. 



Phil. Trans. Boy. Soe. cxciv. A. pp. 135-174. 1900. 

 ■ 2. Beach-Formation in the Thirlmere Reservoir. Bep. Brit. Assoc. 1900, 



pp. 763-764. 1900. 



3. The Basal (Carboniferous) Conglomerate of Ullswater and its Mode of 



Origin. Ibid. p. 764. 1900. 

 4. Das grosse Erdbeben in Indieu am 12. Juni 1897. Centralbl.f. Min. 1901, 



pp. 482-488. 1901. 



5. On the Origin of the Dunmail Raise (Lake District). Abs. Proc. G. <SL 



1900-1901, p. 37 ; & Q. J. G. S. lvii. pp. 188-195. 1901. 

 6. Les Bruits de Tremblements de Terre et les ' Barisal Guns.' Pull. Soc. 



beige Geol. Brux. xv. Proc.-verb. pp. 57-58. 1901. 



7. The Periodicity of Earthquakes. Geol. Mag. dec. 4, viii. pp. 449-452. 



1901. 



, P. N. Datta, & E. Vredenberg-. Geology of the Son Valley in the Rewah 



State and of Parts of the adjoining Districts of Jabalpur and Mirzapur. Mem. 

 Geol. Surv. India, xxx. pp. 1-178, figs., pis. i-iii, & 1 map [1 inch= 4 miles]. 

 1901. 



OLDS, H. F. Notes on Blue Asbestos. Trans. Inst. Mining § Metall. vii. 

 pp. 122-123. 1899. 



OLIPHANT, F. H. Petroleum and Natural Gas. Ann. Bep. U.S. Geol. Surv.. 



xxi. pt. 6 (non-Metallic), pp. 1-318. 1901. 

 OLSZEWSKI, S. Leber die Aussichten der Petroleumschurfungen im Thale des 



Laborecflusses bei Radvan}' (in Oberungarn). Zeitschr. f. pralct. Geol. 1901, 



pp. 353-356. 1901. 

 OMALIUS d'HALLOY, J. J. d'. See Obit., Dupont, E. 



OMBONI, G. Denti di Lophiodon degli Strati eocenici del Monte Bolca. Atti B. 



1st. Veneto Sci. Sfc. lx. pp. 631-638, pis. i & ii. 1901. A.C. 

 OMORI, F. The International Seismological Conference at Strasburg. Nature, 



lxiv. pp. 340-341. 1901. 

 2. Results of the Horizontal-Pendulum Observations of Earthquakes, July 



1898 to Dec. 1899, Tokyo. Publ. JEarthq. Comm. Tokyo, no. 5, pp. i-iii. 1-82. 



figs. & pis. i-xx ; & no. 6, pp. i-vii, 1-181. 1901. 

 ONGARO, G. See Squinabol, S. 



OPPENHEIM, P. Ueber einige alttertiare Faunen der osterreichisch-ungarischen 

 Monarchic. Beitr. Paldont. (Esterr.-Ung. xiii. pp. 145-277, figs. & pis. xi-xix. 

 1901. 



2. Die Priabonaschichten und ihre Fauna. PalaontograpMca, xlvii. pp. 137- 



348, figs. & pis. xiii-xxi. 1901. 

 ORDONEZ, E. Las Rhyolitas de Mexico. Pt. I. Bol. Inst. Geol. Mexico, no. 14. 



pp. 1-75, 6 pis. TMap, jp^.] 1900. 

 2. The Onyx-Marble Deposits of Jimulco (Coahuila). Mem. Soc. cient. 'Ant. 



Alzate; xv. pp. 381-385. 1901. 

 ORTMANN, A. E. Ueber die Decapoden-Gattungen Limiparus und Podocrates. 



Centrabl.f. Min. 1901, pp. 712-714. 1901. 

 ORTON, E. (the late). Petroleum and Natural Gas [N.Y.]. Bull. N.T. State 



Mus. Albany, vi. no. 30, pp. 399-526 (with Obituary, 1 p.), 3 pis. [maps]. 



1899. 



. See Obit., Gilbert, G. K. 



OSBORN, H. F. Correlation between Tertiary Mammal Horizons of Europe and 



America. Ann. N.Y. Acad. Sci. xiii. pp. 1-72. 1900. 

 2. Phylogeny of the Rhinoceroses of Europe. Rhinoceros Contributions, no. 5. 



Bull, Am. Mus. Nat. Sist., NT. xiii. pp. 229-267, figs. 1900. 

 ■ 3. Oxycena and Patriofelis restudied as Terrestrial Creodonts. Ibid. 



pp. 269-279, pis. xviii & xix. 1900. 

 4. Des Methodes precises mises actuellement en (Euvre dans l'Etude des 



Vertebres fossiles des Etats-Unis d'Amerique. C. B. Congres geol, internal 



viii. pp. 353-363, pis. i & ii. 1901. 

 , W. B. Scott, & T. Gill. Obituary Notices of Edward Drinker Cope. 



Proc. Am. Phil. Soc. (Memorial Volume I.) 1898, pp. 273-314, 1 pi. 1900. 



