3. 

 4. 

 5. 

 6. 



7. 

 8. 



s SYSTEMATIC INDEX 



Craterostomum Boulenger . 

 Codiostomum Railliet & Henry . 

 Oesophagodo7itus Railliet & Henry 

 Equinurbia Lane .... 



Choniangium Railliet, Henry & Bauche 

 Ransomus Hall .... 



Subfam. 2. Trichoneminab 

 1. Triclt07iema Cobbold . 

 la. Subgenus Trichonema Le Roux 



16. 

 Ic. 

 Id;, 

 le. 

 2. 



3. 



4. 



5. 



6. 



7. 



8. 



9. 

 10. 

 11. 

 12. 

 13. 

 14. 

 15. 



1. 

 2. 

 3. 



1. 



2. 



,, Cylicostomum Ihle 



,, Cylicocyclus Ihle 



,, Cylicocercus Ihle 



,, Cylicodontophorus Ihle 

 Poteriostomum Quiel 

 Murshidia Lane 

 Pteridopharynx Lane 

 Gyalocephalus Looss 

 Amira Lane 

 Quilonia Lane . 



Bourgelatia Railliet, Henry & Bauche 

 Kiluluma Skrjabin 

 Cylindropharynx Leiper 

 Trachy pharynx Leiper 

 Eucyathostomum Molin 

 Deletrocep)halus Diesing 

 Cloacina v. Linstow . 

 Zoniolaimus Cobb 



Subfam. 3. Oesophagostominae 

 Oesophagostomum Molin 

 Ternidens Railliet & Henry 

 Chabertia Railliet & Henry 



Subfam. 4. Stephanurinae 

 Stephanurus Diesing .... 



Subfam. 5. Syngaminae 

 Syngamus v. Siebold .... 

 Cyathostoma E. Blanchard 



XXVll 



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