Hurron— The Phocene Mollusca of New Zealand. 61 
STRUTHIOLARIA FRASERI, Hutton, Trans. N.Z. Inst. Vol. XVII. p. 329; Hector, 
Outlines of Geol. of N.Z. p. 14, fig. 1. 
Shell spirally grooved. Whorls keeled and flattened, gradated ; usually a 
row of small tubercles on the keel. Spire whorls with 3-4 grooves behind the keel 
and 4-5 in front of it. Body whorl with about 10 spiral grooves in front of the 
keel. Length 77mm.; breadth 46min. 
Locality.—Matapiro. 
STRUTHIOLARIA VERMIS, Martyn, Univ. Conch. pl. nu; S. cvenaulata, Quoy and Gaimard, 
Voy. Astrolabe, Zool. IT. p- 430, pl. OO. figs. 7-9. 
Locality.—Wanganui, Petane, Matapiro. 
STRUTHIOLARIA CINGULATA, Zittel, Reise der Novara, Palzeontologie, p. 35, taf. xv. fig. 2 
Locality. —Patea. A single specimen only, 
Genus CALYPTRAHA. 
Key to the species. 
1. Apex lateral. 
Shell flattened ... as ne ed .. C. calyptreformis. 
Shell inflated ... Pee ae ee So ONCOL 
2. Apex sub-central. 
Shell flattened ... me Sc ie tay eC. SCULUME: 
Shell conical... aes ane ae rete Coan: 
CatypTR#A CALYPTR#FORMIS, Linn.; Crepzdula maculata, Quoy and Gaimard, Voy. 
Astrolabe, Zool. III. p. 422, pl. uxxt. figs. 6-9. 
Locality.—Wanganui, Petane, Matapiro. 
CatyprrR#A INFLATA, Hutton, Trans. N.Z. Inst. Vol. XV. p. 411. 
(Plate vir. fig. 58.) 
t=) 
Shell sub-globose. Whorls 24, rounded, the last inflated, with 4-5 distant, 
low, spiral ribs crossed obliquely by lines of growth. Apex lateral. Length of 
aperture 20mm.; breadth 18mm.; height of shell 10mm. 
Locality.— Wanganui. 

