AS A SPECIES 



131 



prominent, while the tops are decreased, so that no idea of 

 their size and length is given. To obviate these defects, a 

 long focus lens should always be used, and the photographs 

 should be made from at least two definite points of view, one 

 directly in front and one from the side. In addition to these. 



Fig. 9. 



Newfoundland Caribou (Rangifev Montmus, Setoii). 



An extremely fine head. 



[National Collection of Heads and Horns, New York Zoological Park.) 



a three-quarter front view would also be good. In this way 

 the respective merits of different heads could be compared 

 to much better advantage. I may be criticised for not living 

 up to my theories, but it happens that I have not the time 

 or opportunity to make the pictures in the way that I should 

 like ; I have had to depend on the photographs furnished to 



K 2 



