DABTON.] 



NORTH AMERICAN GEOLOGY. 



1045 



"Wyoming— Continued. 



1890. Uinta formation, Scott, W. B. 

 Warren's Geography, Brewer. 



1891. Cambrian of North America, 



Waloott. 



Cretaceous of North America, 

 White, C. A. 



Geological horizons as deter- 

 mined by vertebrate fossils, 

 Marsh. 



■Wyoming — Continued . 



1891. Minerals in spherulites from 

 Glade Creek, Iddings and Pen- 

 field. 



Resources of Black Hills and Big 

 Horn country. Chance. 



Sphernlite crystallization, Id- 

 dings. 



Stones for building, Merrill, G. P. 



Features of Rocky Mountain ge- 

 ology. Hills. 



T. 



Yandell, L. P., and Shumard, B. F. 

 Contributions to the geology of Ken- 

 tucky, 36 pages, plate, Louisville, 1847. 

 Abstract by Verneuil, Soc. G6ol. Prance, 

 Bull., 2d aeries, vol. 5, pp. 149-151, 1848. 



7ates, Lorenzo Gordin. Notes on the 

 geology and scenery of the islands 

 forming the southern line of the Santa 

 Barbara channel. 



Am. Geol., vol. 5, pp. &^2, 1890. 



Stray notes on the geology of the 



Channel Islands. 



California, 9th Keport of Ihflneralogist, pp. 

 171-174, map, 1890. 



["Sroumans, E. L. f ] River and lake ter- 

 races. 



Popolar Soi. Monthly, vol. 2, pp. 661-665, 

 1873. 



Yonng, A. A. Further observations on 

 the crystallized sands of the Potsdam 

 sandstone of Wisconsin. 



Am. Jonr. Sei., 3d series, vol. 24, pp. 47-49, 

 1882. 



Young, A. A. — Continued. 



On sandstones having the grains in 



part quartz crystals. 



Am. Jonr. Sci. 3d series, vol. 23, p. 257 

 (i p.), 1882. 



Young, Charles A. On conglomerate No. 

 XII [on New River, W. Va.]. 



Philadelphia Acad. Sci., Proc. [vol. 28], p. 

 262 (i p.), 1876. 



Fagen, Hugh J., and. A section 



[from Alleghany Mountain to Brush 

 Valley, across Bald Eagle Mountain, 

 Nittany Valley, andNittany Mountain], 

 2d G-eol. Snrv. Pennsylvania, KeportH, Re- 

 port of progress in Clearfield and Jefferson 

 district of the bituminous coal fields, by F. 

 Piatt, plate opposite p. 1, Harrisburg, 1875. 



Young, J. P. Oolite in situ, in Eden- 

 ville. Orange County, N. Y. 



Am. Jonr. Sci., vol. 19, p. 398 (J p.), 1831. 



Zeiller, Ren€. Sur la presence dans le 

 grfes bigarr^ des Vosgea de I'Acros- 

 tichides rhombifolius. 



[Review of Pontaine.] Geol. Soo. France, 

 Bnll., 3d series, vol. 16, pp. 693-699, 1888. 



Reviewed by J. Marcon, Am. Geol., vol. 5, 

 pp. 160-174. 



Zincken, C. Der Naturgas Amerikas 

 nach A. Williams, C. Zincken, C. A. 

 Ashbnrner, etc., 13 pages, 4°, Leipzig, 

 1887 f. [Not seen.] 



Zirkel, Ferdinand. Microscopical pe- 

 trography, United States geological 



Zirkel, Ferdinand — Continued, 

 exploration of the fortieth parallel, 

 Clarence King, geologist in charge, 

 vol. 6, 297 pages, 12 plates, 4°, Wash- 

 ington, 1876. 



Review by J. D. I)[ana], Am. Jonr. Sci., 3d 

 series, vol. 13, pp. 309-313, 1877. 



Some remarks upon the petrograph- 



ical collection of the geological explo- 

 ration of the fortieth parallel. 



Boston Soc. Nat. Hist., Proc., vol. 22, pp. 109- 

 116, 1884. 



