;^37o OCT 2fi 1917 



TRANSACTIONS OF THE i i. ' 



CONNECTICUT ACADEMY OF ARTS AND UMfi^ 



Incorporated A. D. 1799 



VOLUME 22, PAGES 21i-248 OCTOBER, 1917 



Studies in the Calcite 

 Group 



BY 



WILLIAM E. FORD 



YALE UNIVERSITY PRESS 



NEW HAVEN, CONNECTICUT 



1917 



