Puhlications of Scientific Societies. 89 



Ou the Diluvial or Quaternary deposits in California; by 

 James Blake. Am. Jour. Sci., 2d ser., vol. 13, 1852, pp. 

 385-391. 



Notes on the Almaden mine, California; by T. S. Hart. Am. 

 Jour. Sci., 2d ser., vol. 16, 1853, pp. 137-139. 



Infusoria of California. Ehrenberg (Monatsb. d. k. Pr. Akad. 

 Wiss., Berlin, Aug., 1852, p. 528) gives the list published 

 in Am. Jour. Sci., 2d ser., vol. 16, 1853, p. 134. 



Gives a list of infusoria from Shasta city and Sacramento River. 



On some new localities of fossil Diatom aceae in California and 

 Oregon; by J. W. Bailey. Am. Jour. Sci., 2d ser., vol. 

 17, 1854, pp. 179-180. 



Quicksilver mines of Almaden, California; by W. P. Blake. 

 Am. Jour. Sci., 2d ser., vol. 17, 1854, pp. 438-440. 



Recent earthquake shocks in California. Letter of W. P. 

 Blake, in Am. Jour. Sci., 2d ser., vol. 18, 1854, p. 151. 



Account of some volcanic springs in the Desert of the Colo- 

 rado, in southern California; by John Le Conte. Am. 

 Jour. Sci., 2d ser., vol. 19, 1855, pp. 1-6. 



Observations on the extent of the gold regions of California 

 and Oregon, with notices of mineral localities in Califor- 

 nia and some remarkable specimens of crystalline gold; 

 by W. P. Blake. Am. Jour. Sci., 2d ser., vol. 20, 1855, 

 pp. 72-85. 



Also notes on platinum near Port Orford ; quicksilver, Santa 

 Clara County ; copper, iron ores, etc. 



Earthquakes in California during the year 1856 ; by Dr. J. B. 

 Trask. Am. Jour. Sci., 2d ser., vol. 23, 1857, pp. 341-346. 



On the direction and velocity of the earthquake, in California, 

 of January 9, 1857; by John B. Trask. Am. Jour. Sci., 

 2d ser., vol. 25, 1858, pp. 146-148. 



On the parallelism between the deposits of auriferous drift of 

 the Appalachian gold field and those of California; by 

 W. P. Blake. Am. Jour. Sci., 2d ser., vol. 26, 1858, p. 128. 



