108 
THE FRESHWATER MOLLUSCA OF VICTORIA 
Limnaea subaquatilus Tate. 
(PL I, Fig. 7.) 
1880 Limnaea subaquatilus Tate, Tr, Roy. Soc. S. Aust., iii, p. 103, 
pi. 4, figs. 6a, 6b. 
1881 Lymnaea subaquatilus Tate. Tate and Brazier, Pr. Linn. Soc. 
N.S.W., vi, p. 555. 
1882 Limnaea subaquatilus Tate. Smith, Journ. Linn. Soc. Lond., Zool., 
xvi, p. 274. 
1894 Amphipiplea subaquatilus Tate. Whan, Geelong Nat., iv. No. 10, 
p. 8. 
1932 Limnaea subaquatilus Tate. Cotton and Godfrey, S. Aust. Nat., 
xiii. No. 4, p. 158, pi. 2, fig. 2. 
Size of Type. — Length, 9 mm.; breadth, 3 75 mm. 
Localities. — Stawell (F. L. Billinghurst) ; Geelong (J. 
Mulder). 
Vernacular Name. — The Subaquatic Pond-Snail. 
Observations. — ^An ovate, thin, shining, pale horn-coloured 
species allied to the Tasmanian L. huonensis Ten. Woods, but 
the last whorl is relatively narrower, and in consequence the 
revolution of the whorls is less oblique. The columella fold 
is thin, opaque white, and reflected. 
Limnaea gunni Petterd. 
(PI. I, Fig. 8.) 
1889 Limnaea Gunni Petterd, Pr. Roy. Soc. Tas., p. 66, pi. 2, fig. 10; 
pi. 3, figs. 9 and 12 (animal) . 
1920 Id. May, Pr. Roy. Soc. Tas., p. 69. 
1921 Id. May, Check-list Moll. Tas., p. 89. 
1923 Id. May, 111. Index Tas. Shells, pi. 41, fig. 8. 
Size of Type. — Length, 7 mm.; breadth, 5 5 mm. 
Locality. — Tarraville (T. Worcester). 
Vernacular Name. — Gunn’s Pond-Snail. 
Observations. — A very thin, fragile, yellowish-horn 
coloured shell ; the animal, as observed by the author, is pale 
bluish- white ; its habitat is clear, gently-flowing water among 
submerged rocks, over which the mollusc smoothly glides 
without the jerky motion so characteristic of L. subaquatilus 
var. neglecta Petterd. 
Limnaea victoriae Smith. 
(PI. I, Fig. 9.) 
1882 Limnaea victoriae Smith, Journ. Linn. Soc. Lond., Zool., xvi, p. 
274, pi. 5, fig. 16. 
Size of Type. — Length, 6 mm. ; diameter, 2 1-3 mm. 
