A PECULIAR AFFECTION IN THE HORSE. 
89 
the three first intestinal portions of the splenic, gastric, hepatic, 
and lateral arteries, of the canal. The size of the arterial vessels 
was generally less than what it would have been in their natural 
state. Those of the great and small mesenteries had diminished 
at least one-half ; the splenic artery was, however, an exception 
to this, for the superior portion of it had acquired, without exag- 
geration, the size of a man’s thumb, while the hepatic and gastric 
arteries were manifestly shrunk. 
The internal membranes of the arteries, as well as those of the 
veins, did not present the least mark of inflammation ; but it was 
not so with the outer parts of these vessels. There a very im- 
portant alteration was observable ; — when cut long-ways, they fell 
back of themselves, and rolled up even to the very edge of the 
incision. The same effect was produced when they were flat- 
tened out and placed in a horizontal position. Their action was 
similar to that of the two ends of a narrow slip of paper, which 
had been rolled up from either extremity, and again resumed its 
curled position when freed from the power which held it extended. 
Those fibres of the membrane which, when examined separately, 
could be more easily divided from the others, presented the same 
peculiarity. 
The size of the melt was enormous. It weighed eleven pounds. 
Its surface was marbled with brown, black, and violet. When cut 
in pieces and scraped with the back of a knife, a thick substance 
of the same colour exuded from it, odourless, and not easily dis- 
solved in water. It appeared impregnated with a great deal of 
fatty matter, which swam upon the liquid in which it was im- 
mersed. The liver was very bulky and heavy, and of the colour 
of dead leaves. It was very hard, and yet might be easily broken : 
its granulous texture was revealed in all its rigour. It was, like the 
melt, imbued with a fatty matter, which floated on the surface of 
the water. This last characteristic is, however, often equally 
apparent in healthy animals ; but, having found here so great a 
difference with regard to its general aspect, its colour, and its 
viscosity, we thought that, without the danger of erring much, we 
might venture to class this among the list of morbid lesions. The 
hepato-intestinal canal was diminished, and much smaller than the 
hepatic artery. 
Nothing remarkable was apparent in the interior of the intestinal 
canal, if we except a liquid matter united with a small quantity of 
food imperfectly digested. The gastric mucous membrane ap- 
peared to be much paler than is natural in the healthy state. The 
heart, and the solids in general, were perfectly sound. The arteries 
and the pulmonary veins did not contain any clots of blood. 
Peculiarities . — In two of the clots of blood, found near the crossing 
