91 



[1908.1 



Coal Measures, hy J. A. Bownockee, N. W. Lord and E. E, Somermeier, 

 Pp. i-xii, 1-342, figs., pis. i-viii & 2 geol. maps. 8vo. Columbus (Ohio), 

 1908. 



OHNESORGE, T. Ueber Gneise des Kellerjochgebietes und der westliclien 



Halfte der Kitzbiihler Alpen, und liber Tektonik dieser Gebiete. VerJi. Tc.-k. 



geol. Reichsanst. 1908, pp. 119-136, figs. [geol. map]. 1908. 

 OKORN, E. Der Steinkoblenbergbau des preussischen Staates im Saarrevierre. 



Berg- Mitt. Jahrb. Wien, Iv. pp. 1-80, pi. i [geol. map]. 1907. 

 OLDHAM, R. D. Seismographs and Seismograms. Nature, Ixxvii. pp. 246-247. 



1908. 



2. Earthquakes and Earthshakes. Nature, Ixxviii. p. 78. 1908. 



3. Note on the Eirst Preliminary Tremor in the San Eranciscoand Colombian! 



.Earthquakes. Bep. Brit. Assoc. Adv. Sci. 1907, p. 93. 1908. 

 . See also Geikie, Sir A. ; SuESS, E. 



OLIVEIRA, E. P. DE. Nota sobre alguns Affloramentos de Carvao no Parand. 



Ami. Escola Minas, Ouro Breto, no. 9, pp. 91-102. 1907. 

 OLIVEIRA, S. d'. Analyses : Ouro, Manganez, &c. [Brazil. ] Ann. Escola Ilinas, 



Ouro Breto, no. 7, pp. 201-218. 1905. 

 2. Analyses de Minerios de Ouro, Manganez, &c. [Brazil.] An7i. Escola 



Minas, Oura Breto, no. 9, pp. 145-156. 1907. 

 OLSSON-SEEEER, P. Relation of Wind to Topography of Coastal Drift-Sands. 



Jonrn. Geol., Chicago, xvi. pp. 549-564, figs. 1908. 

 OMORI, F. On Micro-Tremors. Bull. Imp. Earthq. Comm., Tol-yo, ii. pp. 1-6, 



pis. i-iii. 1908. 



2. Note on the Tokyo Earthquake of Nov. 22, 1907. Bull. Imp. Earthq. 



Comm., ToTcijo, ii. pp. 7-12, pis. iv-vi. 1908. 

 3. Note on the Annual Variation of Seismic Frequency in Tokyo and Kyoto. 



Bull. Imp. Earthq. Comm., Tokijo, ii. pp. 17-20, pi. x. 1908. 

 4. List of Recent Volcanic Eruptions in Japan. Bull. Imp. Earthq. Comm.,. 



Tokyo, ii. pp. 21-33, pis. xi-xiii. 1908. 

 5, On the Annual Variation of the Height of Sea-Level along Japanese 



Coasts. 2nd Paper. Bidl. Imp. Earthq. Comm., Tokyo, ii. pp. 35-50, pis. xiv- 



xix. 1908. 



6. Note on the Annual Variation of the Height of Level of Lake Biwa, 



Btdl. Imp. Earthq. Comm., Tokyo, ii. pp. 51-57, pis. xx-xxi. 1908. 

 7. List of the Stronger Japan Earthquakes, 1902-1907. Bull. Imp. Earthq. 



Comm., Tokyo, ii. pp. 58-88. 1908. 

 8. On the Fore-Shocks of Earthquakes. Bull. Imp. Earthq. Comm., Tokt/o,. 



ii. pp. 89-100, pi. xxiii. 1908. 

 9. Notes on the Secondary Causes of Earthquakes. Bull. Imp. Earthq. 



Comm., Tokyo, ii. pp. 101-135, pis. xxiv-xxviii. 1908. 

 10. On the Destructive Earthquakes in the Shinanogawa Valley and those 



along the Japan Sea-Coast. Bull. Imp. Earthq. Comm., Tokyo, ii. pp. 136- 



143, pis. xxix-xxxi [earthq. map]. 1908. 

 11. Note on the Relation to the Epicentral Distance of the Duration of the 



Preliminary Tremor of the Earthquake-Motion of local Origin. Bull. Imp. 



Earthq. Comm., Tokyo, ii. pp. 144-147, pi. x.vxii. 1908. 

 12. Earthquake-Distributions in Formosa. Bull. Imp. Earthq. Comm., 



Tokyo, ii. pp. 148-155, pis. xxxiii-xxxiv [earthq. charts]. 1908. 

 ■ 13. On the Bokusekikaku and Basshisho (Formosa) Earthquake of January 11, 



1908. Bull. Imp. Earthq. Comm., Tokyo, ii. pp. 156-165, pis. xxxv-xxxvi 



[earthq. chart]. 1908. 

 ■ : 14. On the Earthquakes of the Fuji Volcanic Chain. Bull. Imp. Earthq. 



Comm., Tokyo, ii. pp. 166-184, pis. xxxvii-xxxix [earthq. charts]. 1908. 

 15. The After-Shocks of the Zenkoji (1847) and tlie Tenpo (1830) Earth- 

 quakes. Bull. Imp. Earthq. Comm., Tokyo, ii. pp. 185-195, pis. xl & xli. 



1908. 



16. Note on the Seismic Stability of the Piers of the Naishagawa Railway- 

 Bridge. Bull. Imp. Earthq. Comm., Tokyo, ii. pp. 196-202, figs., pis. xlii- 

 xliii. 1908. 



17. Example of a Simple Brick Structure damaged by Earthquake. Bull. 



Imp. Earthq. Comm.., Tokyo, ii. pp. 203-205, fig. 1908. 



18. On the Duration of the Strongest Part of Motion in Destructive Earth- 

 quakes. Bull. Imp. Earthq. Comm., Tokyo, ii. pp. 206-209. 1908. 



19. Observation of Local Earthquakes on Mount Tsukaba, in 1905. Buhl. 



Earthq. Comm., Tokyo, no. 22 A, pp. 1-39, fig., pis. i-vi. 1908. 



