Description of the fossils and shells collected in California by William P. Blake, geologist of the United States Pacific Railroad Survey in California, under the command of Lieut. R.S. Williamson, in 1853-54
Half-title: Explorations and surveys for a railroad route from the Mississippi River to the Pacific Ocean.--War Department. Appendix to the preliminary geological report of William P. Blake ... Palaeontology.
Contents:
Report of T.A. Conrad on the fossil shells collected in California by W.P. Blake.--Catalogue of shells collected in California by W.P. Blake, with descriptions of the new species, by A.A. Gould.--Notes upon silicified plants found fossil in California, by W.P. Blake, with a letter from Prof. J.W. Bailey.--Notice of the fossil fishes found in California by Wm. P. Blake, by L. Agassiz
