NEW YORK 

 BOTANICAL GARDEN 



BULLETIN OF THE UNIVERSITY OF WISCONSIN 



Science Series, Vol. 1, No. 2, pp. 35-56, pls. 1-3. 



ON THE QUARTZ KERATOPHYRE AND ASSOCI- 

 ATED ROCKS OF THE NORTH RANGE OF 

 THE BARABOO BLUFFS. 



BY 



SAMUEL WEIDMAN 



PUBLISHED BY AUTHORITY OF IJVW AND WITH THE APPROVAL OF 

 THE REGENTS OF THE UNIVERSITY 



MADISON, WIS. 



PUBLISHED BY THE UNIVERSITY 



January, 1895 



PRICE 23 CENTS 



