THE ANTLERS. 221 
double bifurcations characteristic of the antlers of these two 
species, and are here illustrated on the same plate, to show how 
Columbia Black-tatled 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 alike they are in general features. I express the confi- 
dent opinion that no one, no matter how long and carefully he 
