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Show 1889.] OLIGOCHEETOUS FAUNA OF N E W ZEALAND. 381 11. RHODODRILUS MINUTUS, n. sp. A small species one inch in length. Prostomium extending over a portion of peristomial ring, but not (?) completely dividing it. Dorsal pores present after clitellum. Dorsal blood-vessel single. Alimentary tract. The gizzard occupies segment v.; there are no calciferous glands. Inter segmental septa separating segments vi.-xii. specially thickened. Sperm-sacs in segments xi., xii. racemose. Nephridia paired, opening in front of third setse. Spermathecee four pairs in segments vi.-ix. ; each sac with a single diverticulum longer than spermatheca and dilated at its extremity. Genus TUBIFEX, Lamarck. Tubifex, Lamarck, Hist. Nat. Anim. sans Vertebres, t. iii. p. 228. 12. T U B I F E X R I V U L O R U M , Lamarck, Hist. Nat. Anim. sans Vertebres, t. iii. p. 228. Genus LIMNODRILUS, Claparede. Limnodrilus, Claparede, M e m . Soc. Phys. Geneve, t. xvi. 13. LIMNODRILUS, sp. inc. A species of Limnodrilus appears to occur very abundantly in New Zealand ; but as none of the specimens which I have examined were sexually mature, and as I have not had an opportunity of studying the living worm, I do not feel able to identify the species. Genus PHREORYCTES, Hoffmeister. Phreoryctes, Hoffmeister, Die bis jetzt bekannten Arten aus der Familie der Regenwiirmer, p. 40. 14. PHREORYCTES SMITHI, F. E. B. Phreoryctes smithii, F. E. Beddard, Ann. & Mag. Nat. Hist. ser. 6, vol. i. p. 389. Besides the above-named species, I have received examples of Lumbricus and Allolobophora which I have not yet worked out. Dr. Benham informs me that he has received specimens of a Eudrilus from New Zealand. The list of New-Zealand Earthworms which is published in the present paper is principally based upon the examination of two large collections, which were kindly made for me by Mr. W . W . Smith in the neighbourhood of Ashburton, and of one collection which Prof. T. J. Parker, F.R.S., was so good as to forward me from Dunedin. As the same species occurred abundantly in all these collections, I suppose that the list which I am now able to present to the Society contains a fair sample of the earthworm fauna of the country. I wish therefore to point out, of course with due reserve, the con- |