38 Macuteay Memoriat VouLemMe. 
Murex esprxosvs, Hutton, Trans. N.Z. Inst. Vol. XVIII. p. 333. 
(Plate vi. fig. 3.) 
Shell fusiform, with a moderate canal and no spines. Whorls 53-64, the 
first embryonic, the others spirally and longitudinally ribbed. Longitudinal ribs 
rounded, distant, 8 or 9 on a whorl; spiral ribs strong, scaly, close, about 10 on 
the penultimate and 25-30 on the body whorl, those just below the suture 
smaller than the others. Aperture oval, rather suddenly contracted into the 
moderate and slightly bent canal, which is more or less closed. Length 30mm. ; 
breadth 15mm. 
Locality.—Petane, Matapiro. 
Murex (Preronorvs) aneasi, Crosse, Jour. de Conch. XI. p. 86, pl. 1. fig. 5 (7yphzs); 
Tryon, Le. II. pl. xu. fig. 522; Typhis zealandica, Hutton, Cat. Tertiary Moll. 
of N°Z.p, 2. 
Locality.—W anganui. 
Genus TROPHON. 
Key to the species. 
A. Longitudinal sculpture thin, varices. 
Varices distant, canal long... 500 a . LZ. ambiguus. 
Varices close, canal short 
Spirals distant, narrow on ae ... L. stangert. 
Spirals close, broad... : T. cheesemant. 
B. Longitudinal sculpture broad, forming ribs (Ka lydon). 
Ribs absent on body whorl a i : .. TL. expansus. 
Ribs present on body whorl. 
Spirals close, longitudinals 18 ina whorl... 7. pledecus. 
Spirals close, longitudinals 10-12 in a whorl... 7. duodecinius. 
Spirals distant, longitudinals 12 in a whorl .... 7. cvzspus. 
TropHon amBicuus, Philippi, Abbild. Fuss, pl. 1 fig. 2; Tyron Le. II. pl xxxm. 
fig. 8365 ; Homb. and Jacq. Voy. Pdle Sud, Zool. V. p. 109, pl. xxv. figs. 13-14. 
Locality.—W anganui, Petane, Matapiro. 
TROPHON sTANGERI, Gray, in Dieftenbach’s ““New Zealand,” IT. p. 230 (/usus); Purpura 
rugosa, Quoy and Gaim. |.c. IT. p. 569, pl. xxxvu. figs. 19-21; Tryon Le. I. pl. i. 
figs. 112 and 122: Purpura guoyt, Reeve, Conch. Icon. fig. 71 : Murex spiratus, 
Adams, P.Z.S. 1863, p. 429; Tryon, lc. ILI. pl. xxxmu. fig. 354. 
Locality.—W anganui. 
