t«rmed a froenum, a sort of bridle. It is this diiplica* 

 ture of skin that is cut by nurses under a child's tongue 

 to give it more liberty, ia general very erroneously. 

 It is this froenuni that at once appears on opening a 

 dog's moutli and lifting up his tongue, when from al- 

 «iost the point to tiie root of it is seen a skin that 

 ^n'idently was intended to confine it from passing 

 backwards into the throat, wlikh otherwise it might 

 readily do in convulsions. This skin is doubled, and 

 has besides an intervening thickening ; and when this 

 is ripped up, and taken out, it is called the worm : 

 the elastic property of the skin making it recoil from 

 the stretch it was put on in taking it away, is adduced 

 as a proof that it is alive, and proves it a worm, ia 

 the opinion of credulity. That there is no such thing 

 as a worm in the mouth, any person may easily con- 

 vince hims^^if of; and, having convinced himself 

 of this, it mu^it be evident that the removal of a bit 

 of skin, whose use is so apparent, can have no 

 effect in preventing madness. In the new Cyclopaedia 

 of Arts and Sciences this€iror has also crept in, with 

 several others on the subject of dogs. It is to be la- 

 mented that the ingenious collator of the above work 

 had not placed his authorities opposite to each article, 

 by which he would have avoided a very manifest in- 

 justice to some. Much matter on the subject of the 

 diseases of dogs was furnished by the author of this 

 Treatise at the express request of Dr: Rees, and so 

 much was contributed as to leave this subject as com- 

 plete as the nature of circumstances would admit of; 

 but, not content with what long experience and atten- 

 tive observation had made unquestionable, the colla- 

 tor mixes witli these the farrago of sportsmen, kennel 



