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



Cerithium Paskentaensis, n.sp.; C. strigosum, n.sp.; C, sp. ? Aporrhais, 

 sp.; Phylloceras Knoxvillensis, n.sp.; Lytoceras Batesi, Trask ; Desmo- 

 ceras Californicif,m, n.sp.; Olcostephamis {Simbirskites) mutabilis, n.sp.; 

 0. {Polyptychites) trichotomus, n. sp.; Hoplites Uyatti, n.sp.; If. Storrsi, 

 n.sp.; n. angulatus, n.sp.; H. crassiplicatus, n.sp.; H. Dilleri, n.sp.; 

 Perisphinctes, sp.; Diptychocerast, sp.; Crioceras laUis, Gabb ; Apty- 

 chus f Knoxvillensis, n.sp.; Beleiimites impressus,G&hh \ B. Tehamaensis, 

 n.sp.; Belemnites, sp. 



Monographs, Vol. XIII. Geology of the quicksilver deposits 

 of the Pacific Slope, with atlas; by George F. Becker. 

 Washington, 1888. xix and 486 pp. 7 plates, with 

 atlas of 14 sheets. 



The general heading of the chapters of this work are as follows : 

 Chapter I. Statistics and history. 



II. Notes on foreign occurrence of quicksilver. 



III. Sedimentary rocks. 



IV. The massive rocks. 



V. Structural and historical geology of the quicksilver belt. 

 Appendix to Chap. V, Remarks on the genus Aucella, by 

 C. A. White. 

 VI. Descriptive geology of the Clear Lake region. 

 VII. Descriptive geology of Sulphur Bank. 

 VIII. Descriptive geology of the Knoxville district. 

 IX. Descriptive geology of the New Idria district. 

 X. Descriptive geology of the New Almaden district. 

 XI. Descriptive geology of the Steamboat Springs district. 

 XII. Descriptive geology of the Oathill, Great Western, and 

 Eastern districts. 



XIII. Other deposits of the Pacific Coast. 



XIV. Discussion of the ore deposits. 



XV. On the solution and precipitation of cinnabar and other 

 ores. 

 XVI. The origin of the ore. 

 XVII. Summary of results. 

 The report contains geological maps of the Oathill, Great Western, 

 and Eastern districts ; geological map of the Mayacmas range, with 

 figures of foreign and American species of the genus Avcella. 



Geological atlas of the United States. 



T&e following atlas sheets of California have been issued : 

 Jackson, folio 11. Washington, 1894. 4 sheets, with text. 

 Lassen Peak, folio 15. Washington, 1895. 3 sheets, with text. 

 Marysville, folio 17. Washington, 1895. 4 sheets, with text. 

 Smartsville, folio 18. Washington, 1895. 4 sheets, with text. 

 Placerville, folio 3. Washington, 1894. 4 sheets, with text. 

 Sacramento sheet. Washington, 1892. 4 sheets, with text. 



Statistical Papers: Mineral resources of the United States; by 

 Albert Williams. Report for 1883. 



Contains : Iron on the Pacific Coast, p. 148 ; Quicksilver, pp. 387- 

 398; Clays of the Pacific Coast, p. 475; with reports on borax, coal, 

 copper, iron, lead, nickel, salt, tin, and other minerals. 



