Anatomy and Histology of a New Earthworm. 73 



AUolobophora tennis^ Eisen. 



A. tmuis, Eisen, Ofv. af K. Vet.-Akad, Forh, 1874, No. 2, p. 44. 

 Somites about 100. Clitellura on somites 25, 26-31. Tu- 

 bercula pubertatis on somites 28 and 29. Length 50-60 mm. 

 N. England, Canada, California (Eisen). 



AUolobophora tiimida, Eisen. 

 A. tumida, Eisen, Ofv. af K. Vet.-Akad. Furh., 1874, No. 2, p. 45. 

 Somites about 40. Clitellum on somites 21-28. Tuber- 

 cula pubertatis on somites 26 and 27. Length about 30 mm. 

 N. England (Eisen). 



AUolobophora parva, Eisen. 



A.parvia, Eisen, Ofv. af K. Vet.-Akad. Forh., 1874, No. 2, p. 46. 

 Somites about 100. Clitellum on somites 23-29. Tuber- 

 cula pubertatis on somites 24, 25, 26, 27, 28, and 29. Length 

 about 40 mm. N. England (Eisen.) 



AUolobophora nordenskloldii, Eisen. 

 A. nordenskioldii, Eisen, On the Oligoch^eta collected during 

 the Swedish Arctic Expeditions in the years 1870, 1875, and 

 1876, p. 6. 

 Somites 80-125. Tubercula pubertatis on somites 28, 29, 

 and 30. Length 80-150 mm. Closely allied to A. fadida. 

 Obtained by Eisen in Siberia; credited to North America 

 by Vejdovsky. 



Gekus Lumbricus, Linne. 



(Linne, Syst. Nat., 1735.) 

 Prostomium completely dividing the buccal somite. Out- 

 lets of vasa deferentia in somite 15. Seta? in pairs, four to 

 each somite. 



Lumbricus herculeus, Savigny. 

 Enterion Jierculeum, Sav.. Cuv., Hist, des progr. des sc. nat.,II., p. 



108, 1828. 

 Lumbricus terrestris, Linn^, 1767. 

 Lumbricus agricola, Hoffm., 1842. 



Somites 112-180. Clitellum on somites 32-37. Tubercula 

 pubertatis on somites 33, 34, 35, 36. Length of living ex- 

 amples 150-300 mm., varying in alcohol, according to Rosa, 

 from 90-150 mm. New England (Eisen). 



