VETERINARY DENTAL SURGERT. 113 



barring our way. A small opening at one side of 

 the tooth tumor permitted the escape of about two 

 pints of pale-yellowish serum. 



"The opening through the facial bones was en- 

 larged, exposing a large part of the surface of the 

 dental tumor, a steel punch was placed against it, 

 when with several sharp blows it was broken from 

 its attachments. It was found impracticable to 

 remove the tumor entire, so it was broken up by 

 means of heavy bone cutting forceps and removed 

 in pieces. The tumor was irregular in form and 

 weighed about four ounces. 



"The surrounding cyst from which the tumor had 

 been removed and the fluid had escaped, had enlarged 

 to such an extent, as to destroy all partitions between 

 the sinuses on the left side, converting all into one 

 great cavity completely occupied by the cyst which 

 by its great size, had encroached upon and occluded 

 the left nasal passage, and by pressure upon the nasal 

 septum had crowded it over into right nasal pas- 

 sage, seriously diminishing it in extent, necessitating 

 great effort in respiration. 



"The inside of cyst was thickly studded through- 

 out its extent with soft, rough pyramidal bony eleva- 

 tions i^ to i^ inches in diameter at base, and ^ to $ 

 inches from base to apex. 



"On the outside the cyst was smooth, covered with 

 mucuous membrane, and detached from the facial 



