GASTEROPODA. 77 



Cerithiopsis, Forbes and Hanley, 1849. 



cerea, Sowerby. Thes. Conch, ii. 880 ; Man. Conch, i, ix. 



177. 



terebelloides, v. Martens. Man. N.7.. Moll. 74 ; Man. 

 Conch, i, ix. 158. 



Potamides, Brongniart, 1810. 



bicarinatus, Gray. Man. N.Z. Moll. 74; Man. Conch, i, 



ix. 163. 

 subcarinatus, Sowerby. P.L.S.N.S.W. i, ix. 937 ; Man. 



Conch, i, ix. 163. 

 alternatus, Hutton. Man. N.Z. Moll. 74 ; Man. Conch, i, 



ix. 165. 

 tricarinatus, Hutton. P.L.S.N.S.W. i, ix. 937 ; Man. 



Conch, i, ix. 165. 



Bittium (Leach), Gray, 1847. 



lawleyanum, Crosse. Journ. de Conch. 1863, 87 ; Man. 



Conch, i, ix. 154. 



exile, Hutton. T.N.Z.I. xvi. 214; Man. Conch, i, ix. 158. 

 cylindricum, Watson. Challenger Reports, xv. 550. 



Family ASSIMINEID.+:. 

 Assiminea, Leach, 1828. 



antipodum, Filhol. Mission He Campbell, 523. 



Family HYDROBIID/K. 

 Potamopyrgus, Stimpson, 1865. 



corolla, Gould. P.L.S.N.S.W. 2, vii. 619. 

 antipodum, Gray. P.L.S.N.S.W. 2, vii. 619. 

 cumingiana, Fischer. P.L.S.N.S.W. 2, vii. 619. 

 spelaea, Frauenfeld. Man. N.Z. Moll. 82. 

 pupoides, Hutton. T.N.Z.I. xiv. 146. 



Family RISSOIID.E. 

 Rissoia, Freminville, 1813. 



huttoni, Suter, P.Mai. S. iii. 2. 



hamiltoni, Suter. P.Mal.S. iii. 2. 



incidata, Frauenfeld. P.Mal.S. iii. 3 ; Man. Conch, i, ix. 339. 



annulata, Hutton. P.Mal.S. iii. 3. 



var. minor, Suter. P.Mal.S. iii. 3. 



subfusca, Hutton. P.Mal.S. iii. 4 ; Man. Conch, i, ix. 344. 



var. micronema, Suter. P.Mal.S. iii. 4. 



tenisoni, Tate. R. aitstralis, T. Woods, non Sow., P.Mal.S. 



iii. 4 ; P.L.S.N.S.W. xxv. pi. xxv. fig. 4. 

 fumata, Suter. P.Mal.S. iii. 5. 

 foveauxiana, Suter. P.Mal.S. iii. 5. 

 lubrica, Suter. P.Mal.S. iii. 5. 



