THE BIONOMICS OF ENGLISH OLIGOCR£TA in 



Aporrectodea (Oerley) 



14. A. chlorotica Sav. Very widely distributed. 



Var. cambrica Friend. Wales, Cambridge. 



15. A. similis Friend. Kew Gardens. 



Dendrob^ena (Eisen em. Rosa) 



16. D. rubidus Sav. Under two forms : 



Var. subrubicunda Eisen. Very widely spread. 

 Var. arborea Eisen. In decaying tree-trunks. 



17. D. mammalis Sav. Frequent in road scrapings, etc. 



18. D. merciensis Friend. Derbyshire, England. 



19. D. octaedra Sav. Local and somewhat rare. 



20. D. submontana Vejd. Kew Gardens. 



Helodrilus (Hoffm. em. Mich.) 



21. H. oculatus Hoffm. Sussex, Surrey, Essex, Notts, Derby- 



shire; also Dublin and Swords, in Ireland; Scotland. 



22. H. ictericus Sav. Kew, Chelsea, Cambridge, etc. 



23. H. elongatus Friend. Pencarrow, Cornwall. 



Bimastus (Moore) 



24. B. beddardi Mich. Ireland. 



25. B. eiseni Levinsen. England, Ireland, Wales, Isle of Man, 



and Scotland. 



26. B. constrictus Rosa. Not very common, but somewhat 



widely distributed. 



Octolasium (Oerley em. Rosa) 



27. O. cyaneum Sav. In cultivated ground. 



28. O. lacteum Oerley (= profugum Rosa). Pretty generally 



distributed, in cultivated ground. 



29. O. gracile Oerley. In ditches and wet places, chiefly in the 



East of England. 



30. O. intermedium Friend. Oxford Botanic Garden. 



31. O. rubidum Oerley. Reported by the discoverer as found at 



Woolwich, but not confirmed hitherto. 



Genus not yet Determined 



32. Allolobophora antipae Mich. Blenheim Palace, 191 3. 



33. Allolobophora norvegica Eisen. Dublin, March 191 3. 



34. Allolobophora (doubtful). Dublin, March 191 3. 



35. Allolobophora (doubtful). Dublin, March 1913. 



