282 Transactions. — Zoology. 



I have seen one specimen in Professor Hutton's cabinet, Can- 

 terbury Museum, and I am quite sure that it is no New 

 Zealand shell, but very likely from Mauritius. I have col- 

 lected myself on mountains near Masterton, but never found 

 such a shell. 



3. Trochomorpha hermia, Hutton (1883). This shell, a 

 specimen of which is also in Professor Hutton's collection, is 

 another contribution to our fauna by Mr. T. W. Kirk, from 

 the Manawatu district. It was described by Professor F. W. 

 Hutton in Trans. N.Z. Inst., vol. xvi., p. 183. The specimen 

 I saw corresponds quite well with Helix (Pachystyla) iiiver- 

 sicolor, Per., from Mauritius. It, also, has to be omitted from 

 the list of New Zealand Mollusca. 



4. Neritina rieozelanica, Eecluz (1843). The habitat is 

 given: "New Zealand, on stones in mountain-streams." Pro- 

 fessor F. W. Hutton remarks ("Manual of New Zealand Mol- 

 lusca, 1880," p. 90), " The locality given is probably erroneous, 

 but I have reproduced the description, as it has been over- 

 looked in former lists." Neritina neozelanica, Eecl., is found 

 on the Fiji Islands (Gould), and is, according to Musson, the 

 most common fresh-water shell on the Samoa Islands (Upolu, 

 Tutuila). It has not been found by any of the recent col- 

 lectors in New Zealand, and we may well exclude it from the 

 list of our fauna. 



In Trans. N.Z. Inst., vol. xiv., p. 268, Mr. T. W. Kirk 

 mentions Neritina fluviatilis, L., as having been found by 

 him in the Waikanae Eiver. I saw the specimens in Profes- 

 sor Hutton's cabinet, and they perfectly correspond with 

 typical specimens from Germany. I think Mr. T. W. Kirk 

 must have been mistaken in labelling N. fluviatilis as from the 

 Waikanae Eiver. 



5. Helix (Rhagada) reinga, Gray, closely allied to H. dringi, 

 Pf., from North Australia, is very doubtful for New Zealand. 

 Had it been collected by Dr. Dieffenbach at the North Cape it 

 very likely would have been described by Gray -with the other 

 species in Dieffenbach's " New Zealand." Mr. Justice Gillies 

 remarks (Trans. N.Z. Inst., vol. xiv., p. 169), " Doubtful if 

 ever found in New Zealand;" and Professor F. W. Hutton 

 holds (Trans. N.Z. Inst., vol. xvi., p. 186) that it is "very 

 probably a New Zealand species, although no specimen 

 exists in any of our collections." Perhaps it is a unique speci- 

 men, like H. dringi, Pf. A thorough exploration of the far 

 north of New Zealand would give us more certainty in the 

 question. 



6. Helix (Trachia) delessertiana, Le Guillou (1842), is, ac- 

 cording to Dr. J. C. Cox, synonymous with Helix taranaki, 

 Gray, and is found on the islands of Torres Strait (Cox, Mono- 

 graph of Austr. Land Shells, p. 61, No. 153). It is not men- 



