Bulletin of the Museum of Comparative Zodlogy 
AT HARVARD COLLEGE. 
Vou. XLII. 
GEOLOGICAL SERIES, Vol. VI. No. 6. 
THE SAND PLAINS OF GLACIAL LAKE SUDBURY. 
By James Wa.LTeR GOLDTHWAIT. 
With Five PLAtTEs. 
CAMBRIDGE, MASS., U.S. A.: 
PRINTED FOR THE MUSEUM. 
May, 1905. 
