PLATE VI. 

 Specific internal parasites of man. 



FIG. 2. 



Trichocephalus dispar. 

 a, male, with the anterior part lying 

 beneath the mucous membrane ; 

 b, female. 



(Leuckart, Parasiten.) 



FIG. i. 

 Oxyuris vermi- 



cularis. 



(Five times enlarged.) 



a, male ; b, female. 



(Leuckart, Parasiten.) 



FIG. 3. 

 Filaria labialis. 



(Enlarged.) 

 (Leuckart, Parasiten.) 



FIG. 5. Filaria lends. (About 35 

 times enlarged.) (Ammon.) 



FIG. 4. 



Filaria bronchialis. 

 (Treutler.) 



