724 OLIGOCHAETA 



(7) Lumbricus herculeus (SAVIGNY). 



Enterion herculeum, SAVIGNY, M&n. Roy. Ac. Inst. Fr. (Analyse), v, 1826, 



p. 1 88. 



L. herculeus, DUGES, Ann. Sci. Nat., (2) viii, 1837, p. 21. 

 L. agricola, HoFFMEiSTEB, Do verm, quibusd. 1842, p. 24 (in part.). 

 L. terrestris, EISEN, Ofv. Svensk. Akad., 1871, No. 10, p. 954. 



Definition. Length, 360 mm. ; number of segments, 180. Clitellum, XXXII-XXXVII. 

 Tubercula pubertatis, XXXIH-XXXVI. First dorsal pore, 711/7111. Male pores 

 conspicuous. Hob. Northern Europe ; N. America ; Siberia. 



