SuTER. — On Neto Zealand Mollusca, 275 



Fam. Cyclophoridae. 



55. Cyclophorus lignarms, Pf. Found one specimen only, 

 in rotten wood. 



Fam. Cyclostomatidae. 



56. Bcalia egea, Gray. Scarce near Hastwell ; more 

 numerous on the Mauriceville limestone hill, amongst dead 

 leaves. 



Realia egea, Gray, forma alhina. Some specimens found 

 in the last-mentioned locality. 



Sub-Ord. SCUTIBRANCHIATA. 

 Fam. Hydrocenidae. 



57. Hyclrocena imrchasi, Pf. Found in one place only, 

 under stones in the bush near Hastwell, by the side of a 

 creek. 



Class LAMELLIBRANCHIA. 

 Fam. Unionidae. 



58. Unio riigatus, Hutt. In the Kopuaranga Eiver, Hast- 

 well, and Mangamahoe. Some specimens present a short 

 stout form, with the posterior end very high and straight, which 

 resembles somewhat U. hochstetteri. Pearly deformations in 

 the interior of the mussels are very common. 



II. — Molluscan Fauna of the Hooker arid Tasnian Valley, 



South Island. 



Class GASTEROPODA. Ord. PULMONATA. 

 Group STYLOMMATOPHOEA. 

 Sec. Gnathophora, {a.) Holognatha. 

 Fam. Limacidae. 



1. Pitys cryptohidcns, Sut. Amongst mould in the sub- 

 alpine bush, hiding under dead leaves. Very scarce. "White 

 Horse Hill, Hooker Valley. 



Fam. Phenacohelicidge. 



2. Phacussa liypcpolia, Pf. Found in all the lower parts 

 of the subalpine bush, under dead leaves and rotten wood. 

 Crawling after warm rain on shrubs with smooth bark, fre- 

 quently on dead Panax. 



3. Psyra tullia, Gray. Under stones amongst small roots. 

 Sealey Range. 



Psyra tullia, Gray, forma alhhut. In the same places. 

 Scarce. 



4. Psyra godeti, Sut. Together with P. tullia. Sealey 

 Range and Black Birch Creek valley. 



