102 A Bibliography of the Geology, etc., of California. 



Description of three new species of the genus Plagiostcma 

 from the Cretaceous rocks of Los Angeles; by Dr. J. B. 

 Trask. Proc. Cal. Acad. Sci., vol. 1, 1854-57, pp. 93-94, 

 pi. 3. 



Plagiostoma Pedroana, n.sp. ; P. annulatus, n.sp. ; P. truncata, 

 n.sp. Plate III, figs. 1-3. 



On the mud volcanoes in the Colorado Desert ; by Dr. John A. 

 Veatch. Proc. Cal. Acad. Sci., vol. 1, 1854-57, pp. 116- 

 120. 



Republished Am. Jour. Sci., 2d ser., vol. 26, 1858, p. 288. 



The Proceedings of the California Academy of Sciences 

 included in vol. 1 were originally printed in ' ' The Pacific, ' ' 

 a newspaper published in San Francisco. This volume was 

 afterward published by the Academy in two editions. 



Earthquakes in California in 1858 ; by Dr. J. B. Trask. Proc. 

 Cal. Acad. Sci., vol. 2, 1858-62, pp. 38-39. 



Description of two new species of bivalved shell from the Ter- 

 tiaries of Contra Costa County; by A. Remond. Proc. 

 Cal. Acad. Sci., vol. 3, 1863-68, p. 13. 



Cardium Galii, n.sp. ; Ostrea Bourgeoisi, n.sp. 



Description of four new species of Echinodermata from the 

 Tertiaries of Contra Costa County ; by A. Remond. Proc. 

 Cal. Acad. Sci., vol. 3, 1863-68, pp. 52-53. 



Astrodapsis Whitneyi, n.sp.; A. tumidus, n.sp.; Echinarachnius 

 Brewerianus, n.sp. ; Clypeaster Gahhi, n.sp. 



Earthquakes in California from 1800-1864 ; by John B. Trask. 

 Proc. Cal. Acad. Sci., vol. 3, 1863-68, pp. 130-144. 



For articles on same subject, see p. 190 ; also, p. 239. 



Notes on the discovery of fossils in the auriferous slate for- 

 mation of the Mariposa estate, California, and the prob- 

 able geological age; by "William P. Blake. Proc. Cal. 

 Acad. Sci., vol. 3, 1863-68, p. 170. 



Regular meeting, October 3, 18G4. This is the first announce- 

 ment of fossils in the gold-bearing slates of the Mariposas. 



