66 Macieay Memoriat Vouume. 
Rissoa sEMIsuLcata, Hutton, Trans. N.Z. Inst. Vol. XVII. p. 321. 
(Plate vi. fig. 69.) 
Shell minute, pupiform, thick. Whorls 5, flattened; the first three or four 
smooth; the last, or the two last, smooth anteriorly, and with four shallow but 
well marked spiral grooves on the posterior half. Suture distinct. Aperture 
roundly ovate, not notched anteriorly, peritreme continuous. Length 3mm. 
Locality.—W anganui. 
Genus RISELLA. 
RIsELLA MELANostomA, Gm. in Linné’s Syst. Nat. ed. 13, p. 3581, No. 90. 
Locality.—W anganui. 
Genus VERMETUS. 
VERMETUS NEOZELANICA, Quoy and Gaim. Voy. Astrolabe, Zool. Vol. TIE. pi 393; 
pl. uxvir. figs. 16-17. 
Locality. —W anganui. 
Vermervus monmuirervs, Hutton, Cat. Tertiary Moll. of N.Z. p. 13 (Cladopoda). 
(Plate vit. fig. 70.) 
Shell irregularly twisted; rugose, with unequal longitudinal moniliform ribs, 
crossed by numerous transverse growth marks. Transverse section subcircular. 
Locahty.— Wanganui. 
Genus SCALARIA. 
Key to the species. 
Longitudinal ribs 11 to 13 ina whorl... oe ... 9. 2elebort. 
5. 5 US to) AD us ae Bee ... S. nympha. 
55 a bones. Ms ee aoe ... 9. Corulum. 
ScaLArRIA ZELEBORI, Frauenfeld, Reise der Novara, Moll. pl. 1 fig. 6; S. exlermedia, 
Hutton, Cat. Tertiary Moll. p. 10. 
Locality.— Wanganui, Petane. 
