426 



CATALOGUE AND INDEX OP 



[BULL. 137. 



Geologic Philosophy — Continued. 

 EocK Decay — Continued. 

 1880. Laterite of India, MoGee. 



Geologic action of humus acids, 



Julien. 

 Eeconnaissance in San Fran- 

 cisco and Bodie districts, 

 Becker. 



1882. Lower St. Croix district, 



Wooster. 



Summary of geology of Corn- 

 stock lode, Becker. 



Geology of Comstock lode and 

 Washoe district, Becker. 



1883. Geology and soils of tobacco 



region of North Carolina, 



Kerr. 

 Soils of Wisconsin, Chamber- 



lin, T. C. 

 Bock disintegration in hot, 



moist climates, Storer. 

 Decay of rocks geologically 



considered. Hunt, T. S. 

 General geology of Wisconsin, 



Chamberlin, T. C. 



1884. Durability of building stone 



in vicinity of New York, 

 Julien. 



Weathering of Pottsville con- 

 glomerate, Winslow. 



Chemical geology, Crosby, 



Building stones of the United 

 States, Hawes. 



Decay of rocks in Brazil, Derby. 



Decay of quartzite, Dana, J. 

 D. 



1885. Decay of quartzite, pseudo- 



breccia, Dana, J. D. 



Bowlders of decomposition at 

 Wa8hington,D, C.,etc., Spen- 

 cer, J. W. 



Progress of geology,1883, Hunt, 

 T. S. 



1886. Origin of kaolin, Lesley, J. P. 

 Rainbow lode, Butte, Mont., 



Blake, W. P. 

 Decomposition in Missouri, 

 Spencer, J. W. 



1889. Subaerial decay of rocks, Rus- 



sell, I. C. 

 Geologic and mineralogic notes. 

 Sears. 



1890. Subaerial decay of rocks and 



origin of red color, Dana, 

 J.D. 



Geologic Philosophy— Continued. 



Degradation. 



1824. EeJiquisB diluvian89, by Buck- 



land, Silliman. 



1825. On bowlders and rolled stones, 



N. 



1832. Review of Phillips's Principles 

 of Geology, Silliman. 



1835. On the falls of Niagara, Rogers, 

 H. D. 



1837. Geology of Portland and vicin- 

 ity, Hitchcock, E. 



1839. Geology and topography of 

 western New York, Hayes, 

 G. E. 



1841. Final report on Massachusetts, 



Hitchcock, E. 



1842. Elements of geology and out- 



line of geology of North Caro- 

 lina, Mitchell, E. 

 1844. Niagara Falls, their changes 



and geology, Hall, J. 

 1848, Geological action of currents 



of the ocean, Davis, C. H. 

 Erosion of the earth's surface 



by rivers, Hitchcock, E. 

 1852, Geologic action of the winds, 



Maury, 

 1855. Polishing of rocks by dry sands, 



Blake, W, P. 



1857. Illustrations of surface geol- 



ogy, Hitchcock, E. 



1858. Terrain d'originem^t^oriqne on 



de transport, aerien qui existe 

 au Mexique,Virlet d'Aoust. 

 Physical geography attending 

 production of the Paleozoic 

 strata, Rogers, H. D. 

 1869. Rock ruins, Niagara Falls, 

 Hyatt. 

 Certain physical features of 

 upper Mississippi River, War- 

 ren, G. K. 



1872. Action of wind and sand on 



rocks, Leidy, 



1873. River and lake terraces, You- 



mans. 

 Observations on Niagara, Tyn- 

 dall. 



1874. Sand sculpture in the West, 



Gilbert. 



1875. Exploration of the polorado, 



Powell, J. W. 

 Wind erosion, Gilbert. 

 Tidal erosion, Shaler. 



