196 THE CONTAGIOUS TYPHUS 



typhoid fever : it is the highest expression of 

 its class, and occupies the first degree in the 

 scale of infectious typhic diseases. Next to it 

 we should place the typhoid fever, which we 

 admit is not often found in the ox. But vete- 

 rinary pathology is still less understood than 

 human pathology, and typhoid fever may per- 

 haps be recognised in those diseases which the 

 former science has described under the names 

 of adynamic and ataxic fevers. Besides, a per- 

 sistent research among the veterinary memorials 

 and reports might possibly enable us to dis- 

 cover some instances in which the real typhoid 

 fever in the ox had been traced, apart from 

 the epizootic conditions. Here is an instance 

 of it : 



Gelle, in vol. i. page 245 of the Pathologic 

 Bovine, quotes the following abstract which had 

 been forwarded to him by one of his brethren, 

 on the dissection of an ox, which was made on 

 the 10th of May, 1824: 



"Duodenum. Uniform redness of the mucous 

 membrane, with thickening, softening, and 

 petechial spots. In the middle portion were 

 discovered some of Peyer's glands, small 



