510 THE AMERICAN NATURALIST [Vol.XLVI 



it is difficult to obtain good photographs of guinea pigs 

 in all positions on account of their nervousness. 



Despite these minor differences in color distribution 

 over the bodies of the young pig and its mother, there 



can be no question that we have here a remarkable case of 

 asymmetric color resemblance between this female guinea 

 pig and one of her offspring. It would seem further that 

 this asymmetric resemblance and distribution of color 

 in the young pig as compared with the mother is a char- 

 acteristic inherited from the mother. Unfortunately, as 

 has already been pointed out, nothing is known as to the 



