268 Facts relative to the Diseases common to 



appetens, & assicluo ea lambendo ac lingendo brevi rur- 

 suscurans*." 



Cases a good deal similar to this are recorded by 

 other writers. But it may be said, that the cases are 

 not stated with sufficient precision : and I will allow, 

 that it were to be wished, that Goetz had told us some- 

 thing more particular concerning the stages of the dis- 

 ease in his dog. The words, however, " exanthema- 

 tibus rubris variolosis," are very descriptive ; and it is 

 difficult to conceive that the author, who appears, from 

 several of his papers, to have been a man of observa- 

 tion, could have fallen into a mistake on the subject. 



But the susceptibility of other animals to receive the 

 variolous influence, will appear more probable from 

 the important lights, relative to the nature of the Vac- 

 cine disease, which have opened upon us, since the 

 publication of Mr. Blumenbach's work, in the year 

 1795f. That disease, it is well known, was originally 

 transferred to the inhabitants of four quarters of the 

 globe, from the udders of an animal belonging to the 

 class of mammalia. What has been the true origin of 

 the vaccine in the Pec or a, has not yet been ascer- 

 tained. Time may reveal the secret. But there are, 

 certainly, some reasons to believe, that this mild and 

 salutary disease is merely a modification of Va- 



* Acta Physico-Medica Academix Cxsarear Leopolcfino-Caro- 

 linx Naturae Curiosorum, Sec, 8cc. Vol. ii. Observatio CLXXXIII 

 p. 426. 



I use the third edition of the work. 



