INTRODUCED LAND AND FRESH- WATER MOLLUSt'A. 1073 



21. Helicella caperata, Montagu. 



Helix caperata, Mont., Test. Brit., 430, pi. 11, f. 11 ; Forbes and Hanley, 

 Hist, Brit. Moll., iv, 59 ; Man. Conch. (2), iv, 14. 



Nelson ; Paekakariki. 



22. Vallonia excentrica, Sterki. 



F. pxcentrira, Sterki. Man. Conch. (2), viii, 249, pi. 32, f. 0-9. 



Auckland. 



23. Helix aspersa, Miiller. 



H. aspersa, O. F. Miiller, Hist. Verm., ii, 1774, 59 ; Forbes and Hanley, 



Hist. Brit. Moll., iv, 44 ; Man. Conch. (2), iv, 235. 



Common at most of the sea-coast towns, and a great nuisance in 

 gardens. 



24. Helix hortensis, Miiller. 



H. hortensis, O. F. Miiller, Hist. Verm., ii, 1774, 52; Man. Conch. (2), iv, 



123. 

 Auckland (Hutton). 



25. Caecilianella acicula, Miiller. 



Buccinum acicula, 0. F. Miiller, Hist. Verm., ii, 1774, 150. Arhnthia aciculn, 

 Mull. : Forbes and Hanley, Hist, Brit, Moll., iv, 130. 



Auckland (H. S.). 



26. Cionella lubrica, Miiller. 



Helix lubrica, 0. F. Miiller, Hist, Verm., ii, 1774, 104. Zua lubrica, Mull. : 

 Forbes and Hanley, Hist. Brit. Moll., iv, 125. 



Auckland (H. S.). 



27. Testacella Maugei, Ferussac. 



T. Maugei, Fer., Hist. Moll., 1819, pi. 8, f. 10, 12 ; Conch. Icon., ii, pi. 101, 

 f. 7-10. Daudebardia novce-zealandice, Pfr. : Hutton, T. N.Z.I., xiv, 

 152 ; not of Pfeiffer. Testacella vagans, Hutton, T.N.Z.I., xv, 140. 



Found in gardens in the vicinity of Auckland. 



28. Aneitea Graeffei, Humbert. 



A. Graeffei, Humbert, Mem. Soc. Phys. Hist. Nat. Geneve, v, 1864, 110; 

 W. Pfeiffer, Zool. Jahrb., Anat., xiii, 1900, 293. 



This slug, a native of Queensland and New South Wales, was 



found at Port Chalmers by Dr. C. Chilton, and near Collingwood by 



Mr. J. Dall. 



LITERATURE. 



Heynemann, D. F. " Die geographische Verbreitung der Nackt- 

 schnecken." Abhandl. Senckenberg. Naturforsch. Gesellsch.. xxx, 

 1905, Heft 1. 



Musson, Chas. T. " On the Naturalized Forms of Land and Fresh- 

 water Mollusca in Australasia." P.L.S. N.S.W. (2), v, 1890, 883. 



Sitter, H. " List of the Introduced Land and Fresh-water Mollusca 

 of New Zealand." T.N.Z.I., xxiv, 279. 



