502 DESCRIPTION OF THE MUSEUM. 



(n° 12), found in the human liver, but happily 

 very rare. 



The manner in which these worms are intro- 

 duced and propagated in the brain, liver, etc., is 

 a problem that has long attracted the attention 

 of naturalists, but which is not yet resolved. The 

 examination and comparison of many species 

 may perhaps throw some light upon the subject. 



rt 



