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MUSEUM OF COMPAUATIVE ZOOLOGY. 



153 



Account of tlic Native Copper on tlic Southcni Sliorc of Lake Superior, witk 

 Historical Citations and Miscellaneous Kemarks, in a Report to the De- 

 partment of War. 1821. xVm. Jour. ScL, 1S21, (IJ iii. 201 - 21G ; 

 Quart. Jour. Sei., 1822, xii. 422 - 423. 



On the Number, Value, and Position of the Co])per Mines on the Southern 

 Shore of Lake Superior. Senate Papers, 2d Sess. 17th Cong., 1822, 



Doc. 5, 33 pp. 



Notice of a llcccntly Discovered Copper Mine on Lake Superior, "witli several 

 other Localities of Minerals. Am. Jour. Sci., 1824, (1,) vii. 43-49. 



Narrative of an Expedition througli the Upper Mississippi to Itasca Lake, the 

 Actual Source of this llivcr. New York, 1834, 307 pp. with map.. Con- 

 tains a Report by Dougkiss Houghton. 



Localities of Minerals observed in the Northwest in 1831 and 1832. Dis- 

 covery of the Source of the Mississippi, pp. 157 - 159. New York, 1834. 



On the Product ion of Sand Storms and Lacustrine Beds by Causes associated 

 with the North American Lakes. Proc. Brit. Assoc. Adv. Sci., 1842, xii. 

 Trans. Sections, 42-44; Am. Jour. Sci., 1843, (1,) xliv. 3GS - 370. 



A Memoir on the History and Physical Geography of Minnesota. Mimi. Hist. 

 Coll., 1850-50, i. 108-133. 



Summary Narrative of an Exploratory Expedition to the Sources of the 

 Mississippi lliver in 1820, resumed and completed by the Discovery of 

 its Origin in Itasca Lake in 1832. Philadelphia, 1854. Purports to con- 

 tain many of the original Reports to the War Department, and other 

 papers. 



Selwyn, Alfred R. C. 



Notes of a Geological Reconnoissancc from Lake Superior to Port Garry. 



Gcol. Surv. of Canada, Rep. of Prog., Montreal, 1872-73, pp. 8-18. 

 The Stratigraphy of the Quebec Group and the Older Crystalline Rocks of 



Canada. Canadian Nat. and Geol., 1879, (2,) ix. 17 - 32 ; Geol. Surv. of 



Canada, Rep. of Prog., 1877-78, A. 15 pp. 



Shepard, Charles U. 



On the Copper and Silver of Kcwenaw Point, Lake Superior. Proc. of the 



Sixth Ann. Meet, of the Assoc, of Am. Gcol. and Nat., New Haven, 1S45, 

 CO, 01. 



Tautolite on the North Shore of Lake Superior. Am. Jour. Sci., 1847, (2,) 

 iv. 278. 



Shepherd, Forrest. 



Remarks on a Boulder Mass of Native Copper from the Southern Shore of 

 • Lake Superior. Am. Jour. Sci., 1817, (2,) iv. 115, 110. 

 Observations on the Drift, Furrows, Grooves, Scratches, and Polished Surfaces 

 of the Rocks of Lake Superior. Am. Jour. Sci., 1847, (2,) iv. 282, 283. 



Spencer, Joseph William, 



Lake Superior. — On ttie Niplgon or Copper-bearing Rocks of Lake Superior, 

 wiih Notes on Copper Mining in that Region. Canadian Nat. and Geol., 



1878, (2J viii. 55-81. 



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