viii 



C 0 N T E N T S. 



CHAPTER V. 



Lumbering on the Waters of Green Bay, . . . . . .471 



DR. B. F. SHUMARD'S REPORT. 



Local Details of Geological Sections on the St. Peter's, Mississippi, Wisconsin, 



Barraboo, Snake, and Kettle Rivers, ...... 481 



CHAPTER I. 



Observations on St. Peter's River, ....... 481 



CHAPTER II. 



Local Sections on the Mississippi River, ....... 495 



CHAPTER III. 



Local Sections on the Wisconsin and Barraboo Rivers, . . . .510 



CHAPTER IV. 



Observations on Snake and Kettle Rivers, ...... 523 



DR. JOSEPH LEIDY'S MEMOIR, 



On the Fossil Mammalia and Reptilia collected during the Survey, . . . 539 



APPENDIX. 



PalvEontological Descriptions, Chemical Examinations, Botanical and Ornitho- 

 logical Catalogues, ......... 573 



Article I. Description of New Genera and Species of Palseozoic Fossils ; by D. D. Owen, . 573 



Article II. Description of New Species of Crinoidea ; by D. D. Owen and B. F. Shumard, 587 



Article III. General Distribution of Fossil Genera and Species of the Northwest, . . 598 



Article IV. Additional Chemical Examinations ; by D. D. Owen, .... 600 



Article V. Systematic Catalogue of Plants, of Wisconsin, Iowa, and Minnesota; by C. C. 



Parry, ........... 606 



Article VI. Systematic Catalogue of Birds, of Wisconsin and Minnesota; by H. Pratten, 622 



