J.VrBIiSKLV OF THE irEiius. 



:i93 



no respect prevent the inversion of the organ internally, but merely 

 hinder its escaping beyond the vulva ; and as their utility depends not 

 only upon the material of which they are composed, Imt also upon the 



I 





4 





Fig. 213. 

 Zcnoel's Labial Sdturks. 



integrity or power of resistance of the textures through which they 

 pass, it often happens that they either give way, or they " tear out " 

 prematurely, leaving sometimes troublesome wounds or cicatrices. 



Fig. 214. 

 The Loop of Dklwabt's Turss. 



It must not be forgotten, too, that even under the most favoui-able 

 ■circumstances, these sutures, both during their insertion and their 

 maintenance, are a source of uneasiness and pain to the animal. 



38 



