36 PROCEEDINGS OF THE PHILADELPHIA MEETING 



Minnesota (buikling stones). 10th Census U. S., Report on building 



stones for ISSO, pp. 244-256. (Vol. X.) 

 The crystalline rocks of the Northwest. Am. Nat., vol. xviii, pp. 984- 

 1001. 1SS4. Proc. Am. Assoc. Adv. Sci., vol. xxxiii, pp. 36.3-379. Ab- 

 stract. Science, vol. iv, pp. 238-240. 1884. 13th Ann. Kept. Geol. and 

 Nat. Hist. Surv. Minn., pp. .36-38. 

 The geology of Minnesota ; volume I of the final report of the Geolog- 

 ical and Natural History Survey of Minnesota. 697 pp. 4to; 43 

 plates and 52 figures. Minneapolis. 1884. This report contains : 



Historical sketch of explorations and surveys in Minnesota, pp. 



1-110. 

 The general physical featui'es of Minnesota, pp. 111-141. 

 The building stones of Minnesota, pp. 142-203. 

 The geology of Houston, Winona, Fillmore, Mower, Freeborn, 

 Pipestone, Rock, and Rice counties, pp. 207-324, .347-366. 376- 

 393, 533-561, 648-673. 



1885. The thirteenth annual report of the Geological and Natural History 



Survey of Minnesota for 1884. 196 pp. 8vo; 4 plates. St. Paul, 1885. 

 This report contains: 



Notes of a reconnaissance into Pope County. May, 1884, pp. 10-19. 

 Notes of a trip across the Mesabi range to Vermilion Lake, pp. 



20-24. 

 The Vermilion iron ores, pp. 25-35. 

 The Humboldt salt well in Kittson County, pp. 41-44. 

 The deep well at Lakewood cemetery, Minneapolis, pp. 50-54. 

 Notes on the artesian wells at Mendota, Hastings, Red Wing, 

 Lake City, and Brownsville, and on the deep well at St. Paul, 

 pp. 55-64. 

 Fossils from the red quartzite at Pipestone, pp. 65-72. 

 The mineral exhibit of Minnesota at the New Orleans Exposition, 1884. 



5th Ann. Rept. Cal. State Mineralogist for 1885, pp. 167-169. 

 Notes on the sandstone of Taquamenon Bay, Lake Superior. Am. Jour. 

 Sci., 3d ser., vol. xxix, pp. 339-340. 1885. 



1886. The fourteenth annual report of the Geological and Natural History 



Survey of Minnesota for 1885. 353 pp. 8vo ; 2 plates. St. Paul, 1886. 

 This report contains : 



Notes on some deep wells in Minnesota, pp. 11-16 ; 348-353. 



New species of fossils, pp. 313-318. 



A supposed natural alloy of copper and silver from the north 



shore of Lake Superior, pp. 319-324. 

 Revision of the stratigraphy of the Cambrian in Minnesota, pp. 

 325-337. 

 The Taconic controversy in a nutshell. Science, vol. vii, p. 34. 1886. 



1887. The fifteenth annual report of the Geological and Natural History Sur- 



vey of Minnesota for 1886. 446 pp. 8vo; 2 maps. St. Paul, 1887. 

 This report contains : 



Report of N. H. Winchell (on iron ores and areal geology and 

 stratigraphy of northern Minnesota), pp. 211-.398. 

 Notes on classification and nomenclature for the American Committee 



