I2O ANIMAL EXPERIMENTATION 



must be no leaks in it, and those that appear must be 

 promptly and efficiently stopped. This dike has been 

 thrown up and guarded by the medical profession. I 

 think it unsafe to meddle with their work and to dictate to 

 them the methods of lookers-on. Man's power is finite 

 enough ; let us not use his weakness and failures as an 

 argument to limit it still more. 



