WALKS AND TALKS 



IN 



GEOLOGICAL FIELD. 



BY 



ALEXANDER WINCHELL, LL.D.. 



/,' 



PROFESSOR OF GEOLOGY AND PALEONTOLOGY IN THE UNIVERSITY 

 OF MICHIGAN. 



NEW YORK: 

 CHAUTAUQUA PRKSS. 



C. L. S. C. DEPARTMENT, 805 BROADWAY. 

 1886. 



