THE PANCREAS 259 
of chronic or repeated intestinal inflammation. Periph- 
eral inflammation such as occurs in gastric or duodenal 
ulcers, has not been encountered in a distinct character so 
that its value cannot be estimated. 
Cystic change in the pancreas has been observed a few 
times, but never a large visceral collection or the so-called 
extra-pancreatic cysts of the omentum. One acinus cyst 
was seen in a drake, one congenital cyst in a lark, and 
multiple ductal cysts were seen in a baboon and a duck. 
The parenchyma in all cases seemed entirely capable 
of functionating. 
TUMOES. 
Tumors of the pancreas have been three in number, 
two being of academic interest only. One of these con- 
cerned an apparent adenoma of the ducts within the 
organ, discovered microscopically in the sections from a 
Corsac Fox {Cams corsac). This is the only specimen 
we have had, and I can find no description of the normal 
microanatomy of tliis species, so that with a knowledge 
that certain carnivores have convoluted ducts, the 
determination is made tentatively ; it corresponds micro- 
scopically to a ductal adenoma. The pancreas of a 
raccoon {Procyon lotor) showed a true adenoma of 
glandular acini as two separate but closely applied firm 
nodules surrounded by a capsule, and with distorted acini 
as seen under magnification. The most important tumor 
was found in an Indian Paradoxure {Paradoxurus niger), 
an adenocarcinoma involving the head of the organ, 
enlarging it to twice its normal size ; there were no metas- 
tases. The animal suffered also with an infective hepatic 
cirrhosis of recent origin, chronic nephritis of the arterio- 
sclerotic type, chronic fibroid splenitis. No obstruction 
to the biliary channels existed. 
