MUSEUM OF COMPARATIVE ZOOLOGY. 



157 



Winchell, N. H. 



Tlic Gkciul features of Grocn Bay of Lake Micliigan, with some Observa- 

 tions on a Poriuer Outlet of Lake Superior. Am. Jour Sci 1871 CS ) 

 ii. 15-20. " '^ '^ 



The Geological and Natural History Survey of Minnesota. 1873-1878. 

 7 volumes. Geology of Lake Superior, 1st, 2d, and 7th vols. The last 

 contains a Report by C. W. llall. 

 Wright, Charles E. 



Pirsfc Annual Report of the Commissioner of Mineral Statistics of the State of 



Michigan for 1877-78. Marquette, 1870, 239 pp. 

 See T. B. 13rooks, T. C. Chamberlain, aud A. P. Swincford. 



■ si 



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