DABIOK.] 



NORTH AMEKICAN GEOLOGY. 



371 



lid-wards, A. M. — Contimied. 

 Results of mieroBcopical examina- 

 tion of specimens of sand obtaifled from 

 an artesian well. 



"New York Lyceum Nat. Hist., AnnalB, vol. 

 9, pp. 329-333, 1870. 



[On so-called clay stones from Han- 

 over, N. H.] 



New York Lyceum Nat. Hist., Trans., vol. 

 1, pp. 258-259 (i p.), 1871. 



[The origin of guano and ou infu- 

 sorial deposits.] 



New York Lyceum Nat. Hist., Trans,, vol. 

 1, pp. 229-234, 1871. 



On some facts connected with the 



occurrence of deposits of fresh-water 

 Diatomacese, commonly known as in- 

 fusorial earth. 



New York Lyceum Nat. Hist., Trans., vol. 

 1, pp. 47-50, 1870. 



On the formation of deposits of 



fresh-water diatoms. 



New York Lyceum Nat. Hist., Trans., vol. 

 1, pp 109-128, 212-243, 290-293, 296, 1870. 



. Report of the examination by means 



of the microscope of specimens of in- 

 fusorial earths of the Pacific Coast of 

 the United States. 



Am. Jour. Sci., 3d series, vol. 42, pp. 369-385, 

 1891. 



Ed-wards, J. Baker. On some recent 

 analyses of soils [Canada, Florida, 

 and Northwest Territory]. 



Canadian Nat., new seiiCS, vol. 10, pp. 458- 

 460, 1883. 



Egleston, Thomas. A geological and 

 agricultural survey of 100 miles west of 

 Omaha, 44 pages, New i'ork, 1866. 



Abstract, Am. Jour. Sci., 2d series, vol. 43, 

 p. 114 (i p.), 1867. 



[Remarks on cupriferous conglom- 

 erates of Lake Superior.] 



Am. lust. Mining Eng., Trans., vol. 5, pp. 

 606-611, 1877. 



Bhrenberg, C. G. Verbreitung Einfluss 

 des mikroscopischen Lebens in Siid- 

 und Nord-Amerika, — pages, 4 plates, 

 Berlin, 1843. [Not seen.] 



nights, James. Notes of a geological 

 examination and survey of Mitchell's 

 Cave, town of Root, county of Mont- 

 gomery, N. Y. 



Am. Quart. Jour. AgrL and Sci., vol. 7, pp. 

 21-27, 1848. 



Eights, James — Continued. 



Observations on the geological 



features of the post-Tertiary forma- 

 tion of the city of Albany and its 

 vicinity. 



Albany Inst., Trans., vol. 2, pp. 335-353,1852. 



Elderhorst, William. Chemical report 

 of the ores, rocks, and mineral waters 

 of Arkansas. 



First report of a geological reconnaissance 

 of the northern counties of Arkansas, for 1857 

 and 1858, by D. D. Owen, pp. 143-191, Little 

 Eock, 1858. 



Chemical analyses made for the geo- 

 logical survey of Arkansas. 



Second report of ageological reconnaissance 

 of the middle and southern counties of A rkan- 

 sas, 1859 to 1860, by D. D. Owen, pp. 289-294, 

 Philadelphia, 1860. 



Eldridge, George H. Montana coal 

 fields. 



loth Census U. S., vol. 15, Mining Indus- 

 tries, pp. 739-757, plates, maps, 4°, 1886. 



Includes notes by Lindgren, pp. 743-746, and 

 Wolff, pp. 755-756. 



Some suggestions upon the method 



of grouping the formations of the mid- 

 dle Cretaceous and the employment 

 of an additional term iu its nomencla- 

 ture. 



Am. Jonr. Sci., 3d series, vol. 38, pp. 313-321, 

 1889. 

 Abstract, Am. Nat.,vol. 24, p. 769. (| p.), 1890. 



[Notice of results of stratigraphic 



studies in the Denver basin.] 



U. S. Geol. Snrv., 8th Keport, J. W. Powell, 

 pp. Uir-145 (I p.), 'Washington, 1889. 



Given by S. F. Emmons in report of Rocky 

 ilountain division of geology. 



Some stratigraphical and structural 



features of the cou utry about Denver, 

 Colo. 



Colorado Sci. Soc., Proc, vol. 3, pp. 86-118, 

 1889. 



On certain peculiar structural fea- 

 tures in the foot hill z-egion of the 

 Rocky Mountains near Denver, Colo. 

 ■Washington PhU. Soc, Bull., vol, 11, pp, 

 247-274, map, 1890, 



Abstract, Am, Nat., vol. 24, p. 212 (J p.), 

 1890. 



The Florence oil fields, Colo. 



Eng, and Mining Jour,, vol, 52, p. 422 (J col,), 

 4°, 1891, 



Abstract of paper read to Am, Inst. Min- 

 ing Eng., October, 1891. 



