DAETOK.] 



NORTH AMERICAN GEOLOGY. 



579 



Leverett, Frank. On the occurrence of 

 the "forest hed"beneath intramorainio 

 drift. [Abstract.] 



4.m. Assoc. Adv. Sci., Proc, vol. 37, pp. 

 183-18i(Jp.), 1889. 



Raised beaches of Lake Michigan. 



■Wisconsin Acad. Sci., Trans., vol. 7, pp. 

 177-192, 1889. 



Glacial phenomena of northeastern 



Illinois and northern Indiana. [Ab- 

 stract.] 



Am. Nat., vol. 23, p. 808 (J p.), 1889. 

 Am. Assoc. Adv. Sci., Proc, vol. 38, p. 248 

 (I p.), 1890. 

 nature, vol. 40, pp. 557-558 (i ool.), 1889. 



Changes of climate indicated by in- 



terglacial beds and attendant oxidation 

 and leaching. 



Boston Soc. Nat. Hist., Proc, vol. 24, pp. 

 455-459, 1890. 



Abstracts, Am. Geol., vol. 5, p. 123 (7 lines) ; 

 Am. Nat., vol. 25, p. 279 (J p.), 1891. 



Glacial studies bearing on the an- 

 tiquity of man. [Abstract.] 



Boston Soc. Nat. Hist., Proc, vol. 27, pp. 

 585-586, 1890. 



Pleistocene fluvial planes of western 



Pennsylvania. 



Am. Jonr. Sci., 3d series, vol. 42, pp. 200-212, 

 1891. 



The Cincinnati ice dam. 



Am. Geol., vol. 8, pp. 232-233 (i p.), 1891. 

 Abstract of paper read to Am. Assoc. Adv. 

 Sci., 1891. 



Levette, G. M. Report of observations 

 made in the counties of Dekalb, Steu- 

 ben, Lagrange, Elkhart, Noble, St. 

 Joseph, and Laporte. 



Geol. Surv. Indiana, 5tli Annual Eeport for 

 1873, pp. 430-474, Indianapolis, 1874. 



Observations on the depth and tem- 

 perature of some of the lakes of north- 

 ern Indiana. 



Geol. Surv. Indiana, 7tb Annual Eeport for 

 1875, pp. 469-503, Indianapolis, 1876. 



Abstract, Am. Jour. Sci., 3d series, vol. 12, 

 p. 460 (4 p.), 1876. 



Leiwis, Elias, jr. Evidence of a proba- 

 ble modern change of level on the coast 

 of Florida. 



Am. Jour. Sci., 2d series, vol. 41, p. 406 (^ p.), 

 1866. 



Evidences of coast depression along 



the shores of Long Island. 



Am. Nat., vol. 2, pp. 334^336, 1869. Eead to 

 Long Island Hist. Soc. 



Lewis, Elias, jr. — Continued. 



Ups and downs of the Long Island 



coast. 



Popular Sci. Monthly, vol. 10, pp. 434-446, 

 1877. 



The formation of sand dunes [Long 



Island] . 



Popular Sci. Monthly, vol. 8, pp. 357-363, 

 1876. 



On water courses upon Long Island, 



Am. Jour. Soi., 3d series, vol. 13, pp. 142-146, 

 1877. 



Certain features of the valleys or 



water courses of southern Long Island. 

 Am. Jour. Sci., 3d series, vol. 13, pp. 215-210, 

 235-236, 1877. 



"Woodham artesian well on Long 



Island, 2 miles east of East New York 

 on the line of the Long Island Rail- 

 road. 



Am. Jour. Sci., 8d series, vol. 37, p. 233 (J p.), 

 1889. 

 Lewis, H. Carvill. The surface geology 

 of Philadelphia and vicinity. 



Philadelphia Acad. Sci., Proc, vol. 32, pp. 

 258-273, 1881. 

 Abstract, Am. Nat., vol. 14, p. 819 ( Jp.), 1880. 



On the Bryn Mawr gravel. 



Philadelphia Acad. Sci., Proc, vol. 32, pp. 



277-278, 1881. 



On a Jurassic sand [near Elkton, 



Md.]. 



Philadelphia Acad. Sci., Proc, vol.32, p. 279 

 (i p.), 1881. 



The iron ores and lignite of the 



Montgomery County valley. Pa. 



Philadelphia Acad. Sci., Proc, vol. 32, pp. 

 281, 282-291, 1881. 



On serpentine in Bucks County [Pa.]. 



Philadelphia Acad. Sci., Proc, vol. 32, p. 

 281, (J p.), 1881. 

 — — The antiquity of man in eastern 

 America geologically considered. 



Am. Assoc. Adv. Sci., Proc, vol. 29, pp, 

 706-709, 1881. 



Abstract, Science (edited by Micbela), vol. 1, 

 pp. 192-193, 4°, 1880. 



The Trenton gravel and its relation 



to the antiquity of man. 



Philadelphia Acad. Sci., Proc, vol. 32, pp. 

 296-309, 1881. 



Abstract, Am. Nat., vol. 15, p. 333 (J p.), 

 1881. 



On Philadelphite. (Sp. nov.) 



Philadelphia Acad. Soi., Proc, vol. 32, pp. 

 313-328, 1881. 



A Potsdam sandstone outcrop on the 



South Valley Hill of Chester Valley. 

 Philadelphia Acad. Sci., Proc, vol. 32, p. 329 

 (I p.), 1881. 



