BIRDS, 569 



several laws of inheritance the females and the young 

 being left comparatively but little modified.* 



* I am greatly indebted to the kindness of Mr. Sclater for having 

 looked over these four chapters on birds, and the two following ones 

 on mammals. In this way I have been saved from making mistakes 

 about the names of the species, and from stating anything as a fact 

 which is known to this distinguished naturalist to be erroneous. 

 But of course he is not at all answerable for the accuracy of the 

 statements quoted by me from various authorities. 



