46 AUSTRALASIAN ANTARCTIC EXPEDITION. 
LA&VILITORINA HAMILTONI Smith. 
(Plate VI., fig. 73.) 
Paludestrina hamiltoni Smith, Proc. Malac. Soc., iii., 1898, p. 22, figs. 1, 2. 
Levilitorina hamiltoni Suter, Man. N.Z. Moll., 1913, p. 190, pl. xxxv., fig. 12. 
A hundred specimens were gathered, October 28th, 1913, by Mr. H. Hamilton, 
attached to algse at low water on the west coast; and again, March 28rd, 1912, at 
Hassellborough Bay,. Macquarie Island, where it clung firmly to several pieces of alge 
between tide marks. 
EATONIELLA KERGUELENENSIS Smith. 
Eatonia kerguelenensis Smith, Ann. Mag. Nat. Hist., (4), xvi., 1875, p. 70. 
Eatoniella kerguelenensis (and ? E. inflata) Dall, Bull, U.S. Nat. Mus., iii., 1876, p. 42; 
Id., Smith, Phil. Trans., clxviii., 1879, p. 174, pl. ix., fig. 10; Jd., Martens 
and Pfeffer, Jahrb. Hamburg. Wiss. Anst., iii., 1886, p- 94, pl. i, fig. 5; Id., 
Lamy, Ist Expéd. Antarct. Franc., 1906, Moll., p. 7; Jd., Melvill and Standen, 
Trans. Roy. Soc. Edinb., xlvi., 1907, p. 134, and xlviii., 1912, p- 351; Id., 
“Scotia ”’ Zool., vi., 1912, p. 125; Id., Strebel, Schwed. Siidpol. Exped., vi., 1908, 
p. 58, pl. iv., fig. 58; Jd., Thiele, Deutsch. Siidpol. Exped., xiii., 1912, p. 235, 
pl. xiv., fig. 26, pl. xvi., fig. 1. 
Forty specimens, October 4th, 1912, from 25 fathoms; and nine from 45-50 fathoms, 
Commonwealth Bay. 
EATONIOPSIS AINSWORTH sp. nov. 
(Plate VII., fig. 74.) 
Shell small, oblong-ovate, imperforate. Colour, olive buff. Whorls five, rounded, 
rather rapidly increasing, parted by impressed sutures. Sculpture: smooth save for 
slight and irregular growth lines. Aperture subcircular, lip a little expanded and everted. 
Height, 1:5; breadth, 0:-7mm. 
Twelve specimens were taken from a worm tube collected, January 19th, 1912, 
by Mr. H. Hamilton, at Aerial Cove, Macquarie Island. Named in honor of Mr. G. F. 
Ainsworth, who was in charge of Macquarie Island for two years. 
TATEA MELVILLI sp. nov. 
(Plate VIL., fig. 75.) 
Shell elongate-conical, smooth, rimate. Colour, ochraceous buff. Whorls five, 
rounded, parted by impressed sutures, latterly rapidly increasing so that the last is 
longer than the rest together. Sculpture : on the last whorl are a few lightly impressed 
