ACADEMY OF SCIENCES. 145 
Judge Hastings read three papers on the following subjects: 
‘On the Genuineness of Archeological specimens, including 
Ancient Coins;” ‘‘ A Plan for the Construction of Levees for re- 
claiming land;” ‘‘ San Francisco as a point for an Astronomical 
Observatory.” 
Amos Bowman read a paper on ‘‘ The Geological Formation 
of California.” 
Reautark Meetine, Jury 61x, 1875. 
President and Vice-Presidents being absent, R. HE. C. Stearns 
was called to the Chair. 
Owing to a misapprehension on account of the night of meet- 
ing, only six members were present, and the meeting adjourned 
without transacting any business. 
Recutar Meetine, Jury 197rx, 1875. 
Vice-President Gibbons in the Chair. 
Twenty-three members present. 
Donations to the Museum: Duplicate fossils, ‘‘ Types of Dana’s 
exploring expedition to Australia and Japan.” From Henry 
Edwards, specimens of chetiles crenita, spirifer glaber and Platy- 
chisma occulis from Australia; also specimens from the miocene, 
Oregon, cleobis grandis, (N.S. Wales,) Pleurotomaria Morrisiana, 
(N. Z.), lignite from Astoria, Oregon; Crustacean from the Bay 
of San Francisco. From W. Sublette, Chimera Calliniensis. 
From W. A. Woodward, galena ore from Searsville, San Mateo 
County. Quicksilver ore with garnets, Sonoma County, from 
