DABTON.] 



NORTH AMERICAN GEOLOGY. 



999 



■Watts, W. L.— Continued. 



Santa Clara County. 



California, loth Eeport of Mineralogist, pp. 

 604-619, 1890. 



Waud, W. B. Report of operations in 

 Manitoba with the diamond-pointed 

 steam drill. 



GeoL Surv. Canada, Keport of progress, 

 1873-74, pp. 12-16, 1874. 



Webb, T. H., Porter, J., Cambridge, 

 H. U., and. Account of the Roxbury 

 rocking stone. 



Am. Jour. Sci., Tol. 7, pp. 59-61, 1824. 



Webber, Samuel. Sketch of the great 

 geological features of the valley of 

 Connecticut River at Charlestown, 

 N.H. [etc.]. 



National Inst., Proc, vol. 1, pp. 197-200, 1842. 



[Observations on some appearances 



of the alluvial banks of the Connec- 

 ticut River.] 



Aid. Jour. Soi., vol. 47, p. 98 (i p.), 1844. 



Eead to Assoc. Am. G«ol. 



Weber, Adolph H. Natural gas. 



California, 7th Eeport of the State Mineral- 

 ogist, pp. ] 81-191, 1888. 



[ ] Petroleum and asphaltum in north- 

 ern California. 



California, 7th Eeport of the State Miner- 

 alogist, pp. 195-202, 1888. 



Santa Clara County. 



California, 9th Eeport of Mineralogist, pp. 

 48-56, 1890. 



Webster, Clement I.. On the glacial 

 flow in Iowa. 



Am. Nat., vol. 21, pp. 758-761, 1887. 



Notes on the geology of Johnson 



County, Iowa. 



Am. Nat., voL 22, pp. 408-419, plate 5, 1888. 



Notes on the Rookford shales. 



Am. Nat., vol. 22, pp. 444-446, 1888. 



On the glacial drift and loess of a 



portion of the northern central basin 

 of Iowa. 



Am. Nat., vol. 22, pp. 972-979, 1888. 



Description of new species of fossils 



from the Rookford shales of Iowa. 

 Am. Nat., vol. 22, pp. 1013-1018, 1888. 



A general preliminary description of 



the Devonian rocks of Iowa, which 

 constitute a typical section of the De- 

 vonian formation of the interior conti- 

 nental area of North America. 

 Am. Nat., vol. 23, pp. 229-243, 1889. 



Webster, Clement L.— Continued. 



A description of the Rookford shales 



of Iowa. 



Davenport Acad. Scl., Proc, voL 5, part 1, 

 pp. 100-109, 1889. 



The transitional drift of a portion of 



northern Iowa. 



Am. Nat., vol. 24, pp. 1182-1185, 1890. 



Webster, John W. Remarks on the 

 structure of the Calton Hill, near Edin- 

 burgh, Scotland; and on the aqueous 

 origin of wacke. 



Am. Jour. Soi., vol. 1, pp. 230-234, 1818. 



Localities of minerals, observed 



principally in Haddam, in Connecticut, 

 in September, 1819. 



Am. Jour. Soi., vol. 2, pp. 239-240, 1820. 



Siliceous sinter of the Azores. 



Am. Jour. Sci., vol. 3, pp. 391-392, 1821. 



A description of the island of St. 



Michael, comprising an account of its 

 geological structure, with remarks on 

 the other Azores or Western Islands, 

 Boston, R. P. and C. Williams. 



Ahstraot, Am. Jour. Soi., vol. 4, pp. 251-266, 

 1822. 

 — — Remarks on the geology of Boston 

 and its vicinity. 



Boston Jour. Phil, and Arts, vol. 2, pp. 

 277-292, 1824. 



Webster, N. B. On the physical and 

 geological characteristics of the Great 

 Dismal Swamp and the eastern counties 

 of Virginia. 



Am. Nat., vol. 9, pp. 260-262, 1875. 



Weed, Walter Harvey. On the forma- 

 tion of siliceous sinter by the vegeta- 

 tion of thermal springs. 



Am. Jour. Sci., 3d series, vol. 37, pp. 351-359, 

 1889. 



Formation of travertine andsiliceous 



sinter by the vegetation of hot springs. 

 U. S. Geol. Surv., J. "W. Powell, Director, 9th 

 Eeport, pp. 613-676, plates 78-87, Washington, 

 1889. 



Abstracts, Am. Jour. Sci., 3d series, vol.41, 

 pp. 158-159, 1891 ; Am. Geol., vol. 7, p. 201 (f p.), 

 1891. 



Diatom beds and bogs of the Yellow- 

 stone National Park. 

 Botanical Gazette, vol. 14. 

 Abstract, Am. Jour. Sci., 3d series, vol. 39, 

 p. 521 (i p.), 1890. 



Geysers. 



School of Mines Quart., vol. 11, pp. 239-306, 

 1890. 



