Publications of the State of California. 13 



n.sp.; Fious microphylla, n.sp.; F. sordida, n.sp.; F. tiliwfolia, Al. Br.; 

 Ilexprunifolia,n.sp.; Juglmis Californica, n.sp.; J. Oregoniana, n.ap.; J. 

 laiirhiea, n.sp.; Liquidamhar CaUfornimim,n.sp.; Magnolia Californica, 

 n.sp.; M. lanceolata, n.sp.; Platanus appendiculata, n.sp.; P. dissecta, 

 n.sp.; Populus Zaddachi, Heev ; Persea pseudo-carolinensiSjVi.sp. Quer- 

 cus Boweniana, n.sp.; Q. chrysophylloides, n.sp.; Q. convexa, n.sp., Q. 

 distincta, n.sp.; Q. elxnoides, n.sp.; Q. Goepperti, n.sp.; Q. Nevadensis, 

 n.sp.; Q. pseudo-lyrata, n.sp.; Q. Voy ana, n.sp.; Rhus Boweniana, n.sp.; 

 R. dispersa, n.sp.; R. metopioidcs, n.sp.; R. mLrta, n.sp.; R. myricxfolia, 

 n.sp.; R. typhinoides, n.sp.; Sabalites Calif ornicus, n.sp.; Salix Califor- 

 nica, n.sp.; S. elliptica, n.sp.; Ulmus affinis, n.sp.; U. Californica, n.sp.; 

 U. pseudo-fidva, n.sp.; Zanthoxylon diversifolium, n.sp.; Zizyphus micro- 

 phylhis, n.sp.; Z. piperoides, n.sp. 



The auriferous gravels of the 'Sierra Nevada of California; by 

 J. D. Whitney. Cambridge, 1879-80, pp. 1-288; pp. 

 289-569, 1880. 24 plates and 2 geological maps. 



The climatic changes of later geological times. A discussion 

 based on observations made in the Cordilleras of North 

 America. By .J. D. Whitney. Cambridge, 1880-82. 

 394 pp. 



CALIFORNIA STATE MINING BUREAU. 



HENRY G. HANKS, State Mineralogist. 



Annual Report of the State Mineralogist, from June 1, 1880, to 

 December 1, 1880. Sacramento, 1880. 43 pp. 



This report contains analysis of clay from a deposit at Lincoln, 

 Placer County. 



Second Report of the State Mineralogist, from December 1, 

 1880, to October 1, 1882. Sacramento, 1882. 288 pp., 

 map and 4 photographs, with appendix. (The index to 

 this report was published separately.) 



The report contains articles on placer, hydraulic, and drift mining ; 

 general geology ;' iron ores and iron industries of California; lum- 

 ber and fuel ; the occurrence of salt in California, and its manufac- 

 ture ; mud volcanoes ; the Colorado Desert; diamonds in California ; 

 notes on mica; diatoms and diatomaceous earths; contribution to 

 ethnology and geology of the Pacific Slope, by Philip Harvey. 



The appendix contains the following papers: 1. Forest trees of 

 California, by A. Kellogg; 2. Notes on hydraulic mining, by F. W. 

 Robinson ; 3. Hydraulic and drift mining, by H. Degroot ; 4. On the 

 milling of gold quartz, by M. Attwood ; 5. Rare minerals recently 

 found in the State, by ^\'ilIiam P. Blake. 



