ee ee a 
Bulletin of the Museum of Comparative Zodlogy 
AT HARVARD COLLEGE. 
Vou EVIE Noe 15" 
GEOLOGICAL SERIES, Vol. X. SHALER MEMORIAL SERIES, No. 1. 
GEOLOGICAL EXPEDITION TO BRAZIL AND CHILE, 
1908-1909. 
By J. B. WoopwortTu. 
Wits THIRTY-SEVEN PLATES. 
CAMBRIDGE, MASS., U. S. A.: 
PRINTED FOR THE MUSEUM. 
NOVEMBER, 1912. 
