a 
— 99 — 
Var. y. Alpestris, Suter, 1894. 
Peseript. — Suter, Trans. N. Zeal. Inst., vol. XXIII, 
p. 88. — Pilsbry, Man. Conch. (2), vol. VIII, p. 99. 
Hab. — Ile du Sud: Hooker Valley (Suter). 
107. E. biconcava, Pfeiffer, sp. 1854. 
Inustr. — Reeve, Conch. Icon., vol. VII, pl. CXXXII, 
fig. 810. — Conch. Cab. (2), vol. 1, part. 2, pl. CLV, fig. 43- 
47, — Tryon, Man. Conch. (2), vol. I, pl. XXIV, fig. 75. 
pescript. — Pfeiffer, P. Z. S., 1852, p. 149 (1854). — 
Pfeiffer, Mon. Hel. viv., vol. Ill, p. 109. — Reeve, Conch. 
Icon., Helix, sp. 810. — Conch. Cab. (2), vol. I, part. 2, p. 
438. — Hector, Cat. Land Moll. N. Zeal., 1873, p. 13. — 
Hutton, Man. N. Zeal. Moll., 1880, p. 44. — Trans. N. Zeal., 
Inst., vol. XVI, p.193. — Tryon, Man. Conch. (2), vol, I, 
p. 130. 
Anat. — Trans. N. Zeal. Inst., vol. XXIV, p. 295, pl. 
XXII, fig. 30-31 (machoire ; radule). 
Hab. — Ile du Nord: Thames; Wellington; Forty 
Mile Bush ; Heretaunga. 
108. E. caput-spinule, Reeve, sp., 1852. 
Syn. — [ysilon, Pfeiffer, 185%. 2 
itustr. — Reeve, Conch. Icon., vol. VU, pl. CXXXIUI, 
fig. 818. — Tryon, Man. Conch. (2), vol. III, pl. XX, fig. 53. 
pescript, — Reeve, Conch. Icon., Helix, vol. VII, sp., 818. 
— P. Z. S., 1832, p. 37(1854). — Pfeiffer, Mon. Hel. viv., 
vol. II, p. are — Hector, Cat. Land Moll. N. Zeal., 1873, 
p. 44.— Hutton, Man. N. Zeal. Moll., 1880, p. 23. — Trans. 
N. Zeal. Inst., vol. XVI, p. 194. — Tryon, Man. Conch. (2), 
vol. III, p. 102. 
Anat.— Suter, Trans. N. Zeal. Inst., vol. XXVI 
(machoire; radule). 
Han. — Tle du Nord: Auckland; Horokiwi; Thames; 
