DABTON.] 



NOETH AMERICAN GEOLOGY. 



319 



Davis, Emerson. Notice of rocks and 

 minerals in Westfleld, Mass. 



Am. Jour. Soi., Tol. 10, pp. 213-215, 1826. 

 Davis, Horace. [Some notes on aurifer- 

 ona gravels of California.] 



California Acad. Soi., Proc, vol. 1, p. 62 (i p.), 

 2d edition, 1857. 



Davis, Jacob P. [On the geology of 

 Wayne County, Pa.] 



Am. Jour. Geol. and Nat. Hist., vol. 1, pp. 

 520-523, 1832. 



Davis, "William M. Notes on geological 

 observations in Colorado and Utah. 

 Macfarlane's Am. Geol. Ewy. Guide, p. 165, 

 1879. 



Banded amygdules of the Brighton 



amygdaloid. 



Boston Soo. Nat. Hist., Proc, vol. 20, pp. 426- 

 428, 1880. 



Brief notice of observations on the 



Triassic trap rocks of Massachusetts, 

 Connecticut, and New Jersey. 



Am. Jour. Sci., 3d series, vol. 24, pp. 345-349, 

 1882. 



On the classifloation of lake ba- 

 sins. 



Boston Soc. Nat. Hist., Proc, vol. 21, pp. 315- 



381. 1883. 



Abstracts, Am. Nat., vol. 16, pp. 1028-1029 

 (J p.), 1882. 



Am. Jour. Sci., 3d series, vol. 24, p. 230 (i p.) , 

 1882. 



Becraffcs Mountain. 



Am. Jour. Sci., 3d series, vol. 26, pp. 381-389, 

 1883. 



The nonconformity at Rondout, N. Y. 



Am. Jour. Sci., 3d series, vol. 26, pp. 389-395, 

 i 1883. 



[Remarks on the geology of Mount 



Desert, Me.] 



Boston Soc. Nat. Hist., Proc., vol. 21, pp. 

 117-118, 1883. 



The origin of cross valleys. 



Science, vol. 1, pp. 325-327, 356-357, 1883. 



Lake Bonneville, [notice of Gilbert 



on]. 



Science, vol. 1, p. 570 (§ p.), 1883. 



Lakes and valleys in northeastern 



Pennsylvania. 



Science, vol. 1, pp. 304-305 (f p.), 1883. 



The distribution and origin of drnm- 



lins. 



Am. Jour. Sci., 3d series, vol. 28, pp. 407- 



416. 1884. 



Gorges and waterfalls. 



Am. Jour. Sci., 3d series, vol. 28, pp. 123- 

 132, 1884, 



Davis, William M. — Continued. 



On the relations of the I'riaasio traps 



and sandstones of the eastern United 

 States. 



Harvard Coll., Mus. Comp. Zool., Bull., vol. 

 7, pp. 249-309, 3 plates, 1884. 



Eeviewed by J. D. D[ana], Am. Jour. Sci., 

 3d series, vol. 25, pp. 474-475, 1883. 



Abstracts, Science, vol. 1, p. 430 (J p.), 1883; 

 Neues Jabrbucb, 1884, pp. 230-232. 



The folded Helderberg limestones 



east of the Catskills. 



Harvard Coll., Mas. Comp. Zool., Bull., vol. 

 7, pp. 311-329, 2 plates, 1884. 



The Little Mountains east of the 



Catskills. 



Appalachia, vol. 3, pp. 20-33, plate, 1884. 



[Remarks on the unconformity at 



Becraft's Mountain on the Hudson.] 

 Boston Soo. Nat. Hist,, Proc, vol. 22, p. 339 

 (i p.), 1884. 



The structural value of the trap 



ridges of the Connecticut Valley. 



Boston Soc. Nat. Hist., Proc, vol. 22, pp. 116- 

 124,1884. 



Glacial erosion. 



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

 19-58, 1884. 



Abstract, Am. Nat., vol. 17, pp. 396-397 (Jp.), 

 1883. 



Drumlins. 



Science, vol. 4, pp. 418-420, 1884. 



Paleozoic high tides. 



Science, vol. 3, pp. 473-474 (§ p.), 1884. 



Geographic classification, illustrated 



by a study of plains, plateaus, and their 

 derivatives. [Abstract.] 



Am. Assoc, Proc, vol. 33, pp. 428-432, 1885. 



The structure of the Triassic forma- 

 tion of the Connecticut Valley. 

 Am. Jour. Sol.,vol. 32, pp. 342-352, 1886. 

 Abstract, Am. Assoc, Proc, voL 35, pp. 224- 

 227, 1887. 



Abstracts, witli comments by Newberry 

 and Emerson, ibid., p. 321 (i p.). 



Relation of the coal of Montana to 



the older rocks. 



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

 tries, pp. 697-712, 4°, "Washington, 1886. 



[ ] Prestwich's Geology. 



Science, vol. 8, pp. 109-110, 1886. 



Mechanical origin of the Triassic 



monoclinal in the Connecticut Valley. 

 Am. Assoc, Proc, vol. 35, pp. 224-227, 1887. 



Instruction in geological investiga- 

 tion. 



Am. Nat., vol. 21, pp. 810-825, 1887. 



