REPORTS OF CASES. 
53 
consisted of fibro-cellular tissue, with endothelial lining. Weight 
of entire mass, 3 pounds. Fig. i represents the subject before 
operation. Fig. 2 represents it after operation, 14 days, cica¬ 
trization nearly completed. 
Eucaine was found to be an admirable substitute for cocaine,, 
as no after effects are noted through its use, similar to the latter, 
while it is cheap and efficacious. 
TWO INTERESTING POST-MORTEM EESIONS. 
By E. L. VoLGENAU, D.V.S., Inspector U. S. Bureau of Animal Industry, New York. 
Aneurism of the Posterior Aorta .—The aneurism was situ¬ 
ated in the thoracic cavity, between the seventh and ninth ribs, 
under the vertebrae. It presented the appearance of a tumor 
the size of a child’s head, and was closely adherent to the chest 
wall. Owing to the pressure which the tumor exerted there 
had been complete absorption of the superior portion of the 
seventh, eighth and ninth ribs, which caused a deposit of bone 
cells upon the external surface of the tumor, making it so hard 
that it was with difficulty removed from its attachment. Upon 
cutting into the tumor the dilated aorta could be plainly dis¬ 
tinguished, filled with coagulated blood. The balance of the 
tumor was divided by connective tissue septa, into pockets, each 
filled with coagulated blood, giving the tumor a multilocular 
appearance. The animal, a young steer, was in good condition, 
