402 



CATALOGUE AND INDEX OP 



[BULL. 127. 



Geologic Philosophy — Continued. 

 Chemic Geology (excepting metamor- 

 phism and rock decay) — Continued. 



1876. Report of San Juan division, 



survey of Colorado, En- 



dlich. 

 Reconnaissance in lead region 



of Kentucky, Norwood. 

 Phosphates of Laurentian and 



Cambrian of Canada, Daw- 

 son, J. W. 

 Origin of limestones of York 



and Adams counties, Pa., Fra- 



zer, P. 

 Age and origin of quartz veins, 



Frazer, P. 



1877. Geology of lead district of Wis- 



consin, Strong. 



Origin of galena of Kentucky, 

 Shaler. 



On genesis of lead ores, Whit- 

 ney, J. D. 



Reconnaissance of lead region 

 of Henry County, Norwood. 



On formation of metalliferous 

 deposits, Pumpelly. 



Relations of geology of Ver- 

 mont to that of Berkshire, 

 Dana, J. D. 



1878. Iron of Red River region, Ky. 



Moore. 



Silurian fossils in eastern Penn- 

 sylvania, Prime. 



Mineral region of southwestern 

 Missouri and southeastern 

 Kansas, Case. 



Iron ores in Missouri, Gage. 



Form and origin of lead and 

 zinc deposits of southwestern 

 Missouri, Schmidt. 



Hematites of Lehigh County, 

 Pa., Prime. 



Metasomatio development of 

 copper rocks of Lake Supe- 

 rior, Pumpelly. 



Economic geology of New 

 Hampshire, Hitchcock, C. H. 



Dikes and Azoic of southeastern 

 Pennsylvania, Hunt, T. S. 



Paleozoic of Lehigh and North- 

 ampton counties. Pa., Prime, 

 Frazer, P. 



1879. Report of commissioner of min- 



ing statistics of Michigan, 

 Wright, C.E. 



Geologic Philosophy— Continued. 

 Chemic Geology (excepting metamor- 

 phism and rock decay) — Continued. 



1879. Genesis of cinnabar deposits, 



Christy, S. B. 



Ores of Eureka district, Nev., 

 Blake, W. P. 



Iron ores of Alabama, Smith, 

 E. A. 



Fortieth parallel survey, sys- 

 tematic geology, by King, 

 Pumpelly. 



Corundum mine, Macon Coun- 

 ty, N. C, Raymond. 



1880. Mineral resources of the Black 



Hills, Jenney. 



Reconnaissance in San Fran- 

 cisco, Eureka, and Bodie dis- 

 tricts, Becker. 



Chemical and geological rela- 

 tions of the atmosphere, 

 Hunt, T. S. 



Origin and classification of ore 

 deposits, Newberry. 



Geologic action of humus acids, 

 Julien. 



Genesis of certain iron ores. 

 Hunt, T. S. 



Genesis of iron ores, Newberry. 



Geology of western Lake Supe- 

 rior district, Sweet, E. T. 



Preservation of plants on Ma- 

 zon Creek, 111., Pike, J. W. 



1881. Silver sandstone district of 



Utah, Rolker. 



Origin of iron ores of the Mar- 

 quette district, by Wads- 

 worth, Dana, J . D. 



Primeval American continent. 

 Gratacap. 



Limestone belts of Westchester 

 County, N. Y., Dana, J. D. 



Iron and copper districts of 

 Lake Superior, by Wads- 

 worth, Dana, J. D. 



Guanos of equatorial Pacific 

 islands, Kneeland. 



Origin of iron ores of Mar- 

 quette, Wadsworth. 



Origin of petrosiliceous rocks, 

 Crosby, W. O. 



1882. Peculiar features of Bassick 



mine, Colo., Grabill. 

 Geologisches nnd Montanis- 

 tisches aus Utah, Ochsenins. 



