416 



CATALOGUE AND INDEX OF 



(BCLL. 127. 



Geologic Philosophy — Continued. 

 Petrology — Continued. 

 1886. Supermetamorpliism and vul- 



canism, Comstock. 

 Gabbros, etc., near Baltimore, 



"WiUiams, G. H. 

 Cretaceous metamorphicB of 



California, Becker. 

 Washoe rocks, Becker. 

 GabbroB and amphibolites of 



Delaware, Chester. 

 Mineral physiology and physi- 

 ography. Hunt, T. S. 

 Origin of schists and iron ores 



of Lake Superior, Irving, 



R.D. 

 Gneissio foliation and origin of 



Archean rooks, Lawton. 

 Tomebohm on formation of 



quartzite by enlargement, 



Irving, R. D. 

 Origin of schists, etc., of Pe- 



nokee-Gogebio range. Van 



Hise. 

 1887-1889. Northeastern Minnesota, 



Winchell, A. 

 Geology of Staten Island, Brit- 

 ton, N. L. 

 Origin of crystalline rocks, 



Hunt, T. S. 

 Hunt's Mineral Physiology, 



etc., Science. 

 Archeau geology in Lake 



Superior region, Lawson. 

 Parallel structure in rocks, 



Callaway. 

 Lithophysse and lamination of 



■acid lavas, Iddxngs. 

 Origin of serpentines, Grata- 



cap. 

 Holocrystalline granitic struc- 

 ture in Tertiary eruptives, 



Williams, G. H. 

 Texture of massive rocks, 



Becker. 

 Crystallization of igneous 



rooKs, Iddings. 

 Diabasio schists with jaspilite 



inMinnesota, Winchell, H. V. 

 Paramorphic origin of certain 



minerals. Cross. 

 Paragenesis of allanite and 



epidote in rocks, Hobbs. 

 Archean geology of Maryland, 



Williams, G. Q. 



Geologic Philosophy— Continued. 

 Petrology — C ontinued. 

 1887-1889. Metamorphism in rocks, 

 Heinrioh. 



Metamorphism of eruptives on 

 south shore of Lake Supe- 

 rior, Williams, G. H. 



Conglomerates in gneiss, Win- 

 chell, A. 



Variations in intensity of 

 metamorphism, Dana, J. D. 



Report of Lake Superior divi- 

 sion, U. S. Geological Survey, 

 Irving, R. D. 



Report on Archean [origin of 

 crystallines and serpen- 

 tines], Frazer et al. 



Danzig on nature of gneiss and 

 granulites of Saxony, Am. 

 Geol. 



Montville serpentine, Merrill, 

 G.P. 



Aspen, Colo. [dolomization 

 of limestones], Emmons, 

 S.F. 



Foliation and sedimentation, 

 Lawson, Winchell, A. 



Dikes of Hudson River high- 

 lands, Kemp. 



Dikes of Rainy Lake region, 

 Lawson. 



Quartz -keratophyre from Pi- 

 geon Point, Bay ley. 



Gabbros and norites, Herrick, 

 Clark, and Deming. 



Peridotites, gabbros, and an- 

 desites of Minnesota, Wads- 

 worth. 



Peridotites from Little Deer 

 Island, Me., Merrill, G. P. 



Quicksilver deposits of Pacific 

 Slope, Becker. 



Ophiolites of Warren County, 

 N.Y., Merrill, G.P. 



Origin of bowlders by decompo- 

 sition, Spencer, J. W. 



Subaerial decay of rocks and 

 origin of red color of certain 

 rocks, Russell, I. C. 



Geologic and mineralogic notes. 

 Sears. 



Latest volcanic eruption in 

 California, Diller. 



Spotted rocks from Pigeon 

 Point, Minn., Bayley. 



