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Mental Feccr.-Of the cause of disease, anxiety of mind is one of the most frequent and important. When we walk in the streets of large commercial towns, we can scarcely fail to remark the hurried gait and care-wor features of tho well-dressed pas- sengers. Some young men, indeed, we may see with countenances possessing nat- nral cheerfulness and color, but these ap- pearnnces rarely survive the age of man- hood. Cuvier closes m elegant descriP- ton of animal existence and change VIII. the conclusion that life is state oi force.

 What he would urge is moral. Civiiiza- lion has changed our character of mind as well as body. Wc live in a state O! unnai- uraI exri,emrrt--unnaiura because tt Is partial, irregular and excessive. Our mus .Ies waste for want of action; our nervous system is worn out by excess of action:

 Man passcs his life in reasoning on the pasi. in complaining of the present, and in