DABTOK.] 



NORTH AMERICAN GEOLOGY. 



1013 



■Whitney, J. D.— Continued. 



Geology of Lake Superior. 



Science, vol. 1, p. 39 (J col.), 1883. 



On the climatic changes of later 



geological times. 



Harvard Coll., Mus. Comp. Zool., Memoirs, 

 vol. 7, part 2, pp. i-xiv, 1-3W, plates, 4°, 1884. 



Eevlewed by G. K. Gilbert, Science, vol, 1, 

 pp. 141-142, 169-173, 192-195, 1883. 



Abstract, Am. Jour. Sci., 8d series, vol. 21, 

 pp. 149-150, 1881. 



[ Desor, E., and.] [On so-called 



fossil rain drops on Ne-w red sandstone 

 and on Potsdam sandstone.] 



Boston Soo. Nat. Hist., Proc, vol. 3, pp. 200- 

 202, 1851. 



Poster, J. W., and. Synopsis of ex- 

 plorations of the geological corps in 

 the Lake Superior land district in the 

 northern peninsula of Michigan. 



Message Prest. TJ. S., Slst Cong., 1st sess.. 

 House Ex. Doc. No. 5, part 3, pp. 605-626, 4 

 maps, 'Washington, 1849. 



[General sketch of the geology 



of Lake Superior copper region.] 



TJ. S. General Land Office, Eeport for 1850, 

 31st Cong., 2d sess., House Ex. Doc. No. 9, pp. 

 147-152 [Washington, 1850]. 



Eeport on the geology and 



topography of a portion of the Lake 

 Superior land district in the State of 

 Michigan, part 1, copper lands, 224 

 pages, plates, map, "Washington, 1850. 



Notice and extracts. Am. Jour. Sci., 2d 

 series, vol. 12, pp. 222-239, 1851. 



On the different systems of ele- 

 vation which have given configuration 

 to North America, with an attempt to 

 identify them with those of Europe. 



Am. Assoc. Adv. Sci., Proc, vol. 5, pp. 136- 

 151, 1851. 



On the Azoic system, as devel- 

 oped in the Lake Superior land district. 

 Am. Assoc. Adv. Sci., Proc, vol. 5, pp. 4-7, 

 1851. 



Abstract by Desor, Soo. G6ol. Trance, Bull., 

 2d series, vol. 9, pp. 312-313 (f p.), 1852. 



On the age of the sandstone of 



Lake Superior, with a description of 

 the phenomena of igneous rooks. 



Am, Assoc Adv. Sci., Proc, vol. 5, pp. 22-39, 

 1851. 



Abstract by Desor, Soc. GSol. France, Bull., 

 2d series, vol. 9, p. 313 (i p.), 1852. ' j 



Whitney, J, D., Poster, J. W., and — Con- 

 tinued. 



Geology of the Lake Superior 



land district. Part II. 



Eeport on the geology of the Dake Superior 

 land district, by Foster and "Whitney, together 

 with general geology, special sess., March, 

 1851, Senate Ex. Doc. No. 4, pp. 1-139, 176-177, 

 183-194, 195-202, plates, maps, "Washington, 

 1851. 

 Extracts, Am. Jour. Sci., 2d series, vol. 15, 

 pp. 295-296 ; vol. 17, pp. 11-33, 128, 1851. 



On the elevation of mountain 



chains. 



Eeport on the geology of the Lake Superior 

 land district, part 2 ; the iron region, together 

 with the general geology, special sess., March, 

 1851, Senate Ex. Doc. No. 4, pp. 274-284, "Wash- 

 ington, 1851. 



[Aperpu de I'ensemble des ter- 

 rains siluriens du lac Sup6rieur.] 



Soo. G6ol. France, Bull., 2d series, vol. 8, pp. 

 89-101, 1851. 

 Discussed by J. Marcou, pp. 101-105. 



On the origin and stratigraph- 



ical relations of the trappean rocks of 

 Lake Superior. 



Annual of Scientific Discovery, 1861, p. 205, 

 1862. 



Hall, James, and. Eeport on the geo- 

 logical survey of the State of Iowa, 

 embracing the results of investiga- 

 tions made during portions of the years 

 1855, 1856, and 1857. Vol. 1, part 1, 

 geology, XV, 472, 4, 4 pages, map, 

 plates. Des Moines, 1858. 



Includes report by "Worthen, pp. 147-258, 

 1858. 



Eeviewed, Am. Jour. Sci., 2d series, vol. 27, 

 pp. 103-117,1858. 



Abstract, Canadian Nat., vol. 3, pp. 184-186, 

 1858; vol. 5, pp. 213-215, 186C. 



Annual report [Iowa geology], 



75 pages, Des Moines, 1860. [Not seen.] 



Eeport on the geological survey 



of the State of "Wisconsin, vol. 1, xix, 

 453 pages, 10 plates, 2 maps, 1862. 



Includes reports by J. "Wyman, pp. 421-423, 

 and J. Leidy, p. 424. 



Silliman, B., jr., and. Notice of 



the geological position and character 

 of the copper mine at Bristol, Conn. 

 Am. Jour. Sci., 2d seriea, vol. 20, pp. 301-368, 

 1855. 



From report of an examination of the Bris- 

 tol copper mine in Bristol, Conn., 32 pages, 



