THE ANTLERS. 



221 



double bifurcations characteristic of the antlers of these two 

 species, and are here illustrated on the same plate, to show how 



Fia;. 20. 



Columbia Black-tailed Deer and Mule Deer. 



20. Abnormal Form of Antler from Black-tailed Deer. 



21. Normal Form of Antler from Black-tailed Deer from California. 



22. Normal Form of Antler from Black-tailed Deer from California, with an Abnormal 



Diseased Tine on the Left Antler. 



23. Normal Form of Antler from Mule Deer from the Black Hills, with an Abnormal 



Tine on the Right Antler. 



exactly ahke they are in general features. I express the confi- 

 dent opinion that no one, no matter how long and carefully he 



