106 IOWA ACADEMY OF SCIENCE Vol. XXV. 1918 



upper iiieisoi' liccanie worn and wry tliiii from side to side at 

 the apex. l-Jotli lower incisors were thus pushed to the right 

 of the uormal alignment and continued to cirow uninterruptedly. 

 Not beiufj' directly apposed by a tooth in the upper jaw, the tips 

 of these lower incisors penetrated the flesh covering the palatal 

 surface of the pi-enuixilla and had already worn a small irregu 

 lar hole in the l)ony anterior palatal surface of the right pre- 

 maxilla just anterior to the maxillo-premaxillary suture. 



This state of affairs must have caused much inconvenience 

 and even pain to the animal until its sufferings were ended by 

 a shot from the hunter's gun. 



The State rxivERSiTV. 



