The Classification and Distribution of Earthworms. 239 



Pontodrilidae, Vejd. 



Fontodrilus, E. P 



Criodrilidae, V<'.jd. 



( 'riodriluft, TToH 1 1 1 . 



Lumbricidae, Vcjd. 



1. Tctragomirus, Eis. • 

 * 2. Aliurus, Eis. 



3. Dendrohoina, Eis. 



4. Allolohoj)horn., Eis. 



5. Lumbricus, L. 



1 6. Ilypogceon, Sav. 

 1 7. Alyattes, Kinb. 

 Eudrilidse, Clans { = L. intraclitelliens, E. P.). 



1. Eudrihis, E. P. 



2. Rhinodrilus, E. P. 



3. Aniens, E. P.^ 



4. Titanus, E. P. 



5. Geogenia, Kinb. 



6. Urochceta, E. P. 



7. TyjohcEus, Beddard. 



? 8. Pontoscolex, Schmarda. 



Acanthodrilidae, Claus. 



1. Acanthodrilus, E. P. 



2. Dig aster, E. P. 



? 3. Mayidane, Kinb. 



Perichaetidse, Claus. 



1. FerichcBta (Schmarda), Beddard. 



2. Perionyx, E. P. 



Plutellidse, Vejd. 



Plutellus, E. P. 

 Pleurochaetidae, Vejd. 



Pleurochceta, Beddard (? = Megascolex,Hexn^\.). 



Moniligastridse, Claus. 



Monilig aster, E. P. 



Eosa has criticised, this classification, and for the most 



^ Vaillant (Histoire Katurelle des Anneles, raarins et d'eau douce, Paris, 

 1889, p. 183, ct seq.) unites Anteus and Microchceta. The very remarkable 

 spermatliecte of the latter genus, which are also found in Brachydrihis, seem 

 to be against such an ideutitication. His generic definition, created for the 

 inclusion of these two forms, seems to me to be not sufficiently precise. 



