Publications of Scientific Societies. 67 



FOREIGN SOCIETIES. 



Origin of continents; by W. O. Crosby. Geol. Mag., Vol. 10, 

 .June, 1883, pp. 241-252. 



Lower Californian eruptive rocks; by E. Ritter. Arch, des Sci., 

 Vol. 33, 1895, p. 330. 



Die Californischen Bacillarien-Gebirge; by J. D.Whitney. Mon- 

 atsber. K. preuss. Akad. Wiss., Berlin, 1872, pp. 124-139. 



Zwei profile durch die Sierra Nevada; von E. Reger. Neues 

 jahrbuch IV, Beilage Band 1886, pp. 291-326, plates 

 XVII, with 24 illustrations. 



Ueber die wachsende kenntniss des unsichtbaren Lebens als 

 felsbildende Bacillarien in Calif ornien; von Ehrenberg. 

 Berlin Akad. Abhandl., 1870, pp. 126-132; Berlin 

 Monatsber. Akad., 1870, pp. 259-264. 



On the gold regions of California ; by J. S. Wilson. .Jour. 

 Geol. Soc. of London, Vol. 10, 1854, pp. 308-321. 



The author gives a geological sketch-map of part of Upper Cali- 

 fornia, comprising the southern mines ; section across Upper Cali- 

 fornia from the Pacific to the Sierra Nevada, length 70 miles ; Fig. 3, 

 section of auriferous detritus at Sullivan's Gulch ; Fig. 4, section of 

 quartz vein in Carson's Hill ; Fig. 5, section at Murphy's Deep 

 Diggings. 



A contribution to the history of mineral veins ; by J. Arthur 

 Phillips. Jour. Geol. Soc. of London, Vol. 35, 1879, pp. 

 390-396. 



On the hot springs of California. 



Geologic — Observations sur les gesements auriferes de la Cali- 

 fornie; par M. L. Simonin. Comptes Rendus de I'Aca- 

 de'mie des Sciences, 20 Fevrier, 1860. t. 50, p. 389. 

 Paris. 



Sur Paction des anciens glaciers dans la Sierra Nevada de Call-, 

 fornie et sur I'origine de la vallee de Yo Semite; par 

 W. P. Blake. Comptes Rendus, Paris, 22 July, 1867. 

 3 pp. 



