General Diseases. 



363 



slightly, especially on the fore-legs. The dog now moved 

 with a reeling, snatching gait ; the latter was particularly 

 observable in the hind-legs. The back was also arched. 

 When lying down or resting, the head had a tremulous, 

 but not persistent, motion ; the limbs, however, were con- 

 tinually twitching. I inserted a seton at the back of the 

 ears. The same afternoon, before medicinal treatment 

 was commenced, the animal died. 



I made a post-mortem examination for the purpose of 

 ascertaining the condition of the heart, as the case being 

 of long standing, and complicated with rheumatism, I 

 expected to find cardiac mischief. - On making a section 

 through the right ventricle, and exposing the tricuspid 



Fig. 33- 



heart of dog, left ventricle open. i. mitral valve, 



inflamed. 2. ante-mortem fibrinous clot. 



valve, I found the latter thickened and rough, beyond 

 which there was nothing abnormal to be seen ; but an 

 examination of the left ventricle revealed the presence of . 

 an ante-mortem, clot seven-eighths of an inch in length, 

 wedge-shaped, tapering to a point. It was the sixteenth 

 of an inch thick, white in colour, and fibrous, having on 

 its upper surface a dark, recent blood-clot. This ante- 

 mortem clot was immediately below and partly attached 



