Hurrox.—On Rhachiglossate Mollusca. 219 
Man. Conch., ii., p. 110, pl. 80, f. 184 [not M. octogonus, Sowb., Pro. Zool. 
Soc., 1859, p. 428]; M. dipsacus, Broderip, Pro. Zool. Soc., 1832, p. 194; 
M. peruvianus, Sowb., Pro. Zool. Soc., 1840, Conch. Icon., f. 103. 
Hab. Bay of Islands; Hauraki Gulf; Cook Straits. Found also in 
Japan and Peru. 
Varices eight or nine, each with seven to thirteen strongly recurved 
spines, which however are sometimes obsolete. 
The operculum and dentition are figured in the Trans. N.Z. Inst., vol. 
xv., pl. xiii., f. 0. 
Sub-genus Pteronotus, Swainson. 
Varices three, fin-shaped ; canal moderate, somewhat recurved. 
Murex aneast, Crosse (Typhis), Jour. de Conch., xi., p. 86, pl. 1, f. r. 
(1863); Tryon, Man. Conch., ii., p. 88, pl. 40, f. 522 [not ib., p. 109]. 
M. eos, Hutton, Cat. Marine Moll. of N.Z., p. 8 (1878). 
Hab. Dead specimens only have been found at the Bay of Islands and 
Wellington (T. W. Kirk). It is not uncommon in Australia and Tasmania. 
The colour is yellowish pink. 
Genus Trophon, Montfort. 
Shell white; whorls with numerous lamelliform varices ; canal open, 
usually bent to the left. 
A. Shell thin, canal produced. 
Tropuon AMBIGUUS, Philippi, Abbild., Fusus, pl. 1, f. 2 (1844); Tryon, 
Man. Conch., ii., pl. 33, f. 365; Homb. and Jacq., Voy. Póle Sud, Zool., 
v., p. 109, pl. 25, f. 13, 14. Fusus cretaceus, Reeve, Conch. Icon., f. 48 
(1847). Murex candida, H. and A. Adams, Pro. Zool. Soc., 1863, p. 480. 
Fusus varius et lyratus, Cat. Marine Moll. of N.Z. (1878), [not of Lamarck]. 
Hab. Cook Straits to Foveaux Straits. 
Whorls angled, and with numerous, unequal, spiral ribs; varices about 
12 or 14, often produced at the angles, distant, sometimes obsolete on the 
body-whorl. 
A very variable species. The operculum and dentition are unknown. 
B. Shell thick; canal short. 
TROPHON STANGERI, Gray (Fusus) in Dieffenbach’s New Zealand, ii., 
p. 230 (1843). Purpura rugosa, Quoy and Gaimard, Voy. Astrolabe, Zool., 
ii., p. 569, pl. 38, f. 19-21 (1833) [not of Lamarck] ; Gray, Figs. Moll. 
Anim., ii., pl. 96, f. 7; Tryon, Man. Conch., ii., pl. 51, f. 112 and 122; 
Purpura quoyi, Reeve, Conch. Icon., f, 71 (1846) [not P quoyi, Gray, Figs. 
Moll. Anim., iv., pl. 70]. M. spiratus, Adams, P.Z.S., 1868, p. 429; 
Kuster, Conch. Cab., t. 73, f. 8; Tryon, Man. Conch., ii., pl. 33, f. 354. 
Purpura retiaria, Hutton, Jour. de Conch., 1878, p. gp 
Hab. Auckland. 
