Bulletin of the Museum of Comparative Zoology 
AT HARVARD COLLEGE. 
Vou. XLII. 
GEOLOGICAL SERIES, Vol. Vi. No. 2. 
THE CHEMICAL COMPOSITION OF LIMESTONES FROM 
UPRAISED CORAL ISLANDS, WITH NOTES ON 
THEIR MICROSCOPICAL STRUCTURES. 
By Ernest W. SKEATS. 
CAMBRIDGE, MASS., U.S.A.: 
PRINTED FOR THE MUSEUM. 
JuneE, 1903. 
