AND ANIMAL LIFE. 328 



degrees, in this manner, been protected from 

 effects that would otherwise have destroyed or 

 endangered life. 



CCCLXXI. The various stages of gestation, 

 and the act of parturition, are among the best 

 illustrations that can possibly be brought forward 

 of the origin, transmission, and influence of sen- 

 sations, and of physical changes to which the 

 delicate frame of the female is highly susceptible. 



x 



