G?/-/ 
Organic Dependence and Disease : 
Their Origin and Significance. 
By John M. Clarke, 
D.Sc., Colgate, Chicago, Princeton 
LL.D., Amherst, Johns Hopkins 
Member of the National Academy of Sciences 
New York State Paleontologist 
New Haven: 
Yale University Press. 
London, Humphrey Milford, Oxford University Press. 
Mdccccxxi. 
