280 Facts relative to the Diseases common to 



Linnaeus has asserted, and his industrious and learned 

 editor, Gmelin, has repeated the observation, that the 

 " dog is very liable to gonorrhoea:" " saepe gonor- 

 rhoea infectus*." I do believe that there is some foun- 

 dation for this observation : and I may, perhaps, on 

 another occasion, detail the facts and circumstances, 

 upon which I rest my suspicion. 



Pelagra, except through the medium of books, is -a 

 disease with which I am wholly unacquainted. 



Lepra and Elephantiasis, for aught I know, are pecu 

 liar to the human kind. But I think that the dog, and 

 other mammalia, are subject to certain cutaneous dis- 

 eases, which it might not, on all occasions, be easy to 

 distinguish from some leprous affections. The affi- 

 nity of some cases of Scrophula and of Lepra has been 

 acknowledged by physicians : and I have rendered it 

 very probable, that various species of animals are sub- 

 ject to a true scrophula. 



The mammalia are also subject to that singular affec- 

 tion of the reticulum malpighianum, which lias been 

 called " Albino," Leucaethiopia, &c. This disease, 

 which has solicited much of Mr. Blumenbach's atten- 

 tion, is sometimes, apparently, of a leprous naturef. 



V. Local Diseases. 



' Systema Naturae, Sec lorn. i. Art. Canis fumilkuis. 



t See my a' count of the case of Henry Moss, in the Philadel- 

 phia Medical and Physical Journal. Vol. II. Fart li. Art. I. 



