154 Transactions. 



Genus Lironoba nov. 



Lironoba suteri (Hedlev, 1904). 

 Genus Anabathron Frauenfeld, 1867. 



Anabathron foliation (Suter, 1908). 

 Genus Estea nov. 



Estea incidata (Frauenfeld, 1867). 



lampra (Suter, 1908). 



roseola nov. 



roseocincta (Suter, 1908). 



subfusca (Hutton, 1873). 



var. micronema (Suter, 1898). 



zosterophila (Webster, 1905). 



— ■ var. minor (Suter, 1898). 



impressa (Hutton, 1885). 



rufoapicata (Suter, 1908). 



Genus Notosetia nov. 



Notosetia subflavescens nov. Synonym : Rissoa atomns Suter. 1908, 

 not Smith. 



infecta (Suter, 1908). 



- leptalea (Murdoch, 1905). 



lubrica (Suter, 1898). 



micans (Webster, 1905). 



microstriata (Murdoch, 1905). 



neozelanica (Suter, 1898). 



— — porcellana (Suter, 1908). 

 ■ — — stewartiana (Suter, 1908). 

 — — verecunda (Suter, 1908). 

 : — ■ — vulgaris (Webster, 1905). 



? gradation (Suter, 1908). 



Genus Amphithalamus Carpenter, 1865. 



AmphithaJamus hedleyi (Suter, 1908). 

 Genus Rissoina D'Orbigny, 1840. 

 Rissoina hanleyi Schwartz, 1860. 



rufolactea Suter, 1908. 



chathamensis (Hutton, 1873). Synonym : Rissoa rugulosa 



Hutton, 1873. 



■ zonata Suter, 1909. 



Genus Nozeba nov. 



Nozeba coulthardi (Webster, 1908). 



emarginata (Hutton, 1885). 



Genus Dardanula nov. Synonym : Dardania Hutton, Trans. N.Z. 

 Inst., vol. xiv, p. 147 (1882), (not Dardania Stal). 

 Dardanula chiltoni (Suter, 1909). 



cuvieriana (Suter, 1908). 



fiiscozona (Suter, 1908). 



limbata (Hutton, 1883). 



olimcea (Hutton, 1882). 



var. annulata (Hutton, 1884). 



— var. lutea (Suter, 1908). 



Probably we do not know even a quarter of the number of species of the 

 family Rissoidae existing in Neozelanic waters. Many of the species seem 

 to be local on the littoral, and very little dredging has yet been done. A 

 day's seaweed-washing at almost any point would give a new species, whilst 



