r 105 
Adelaide.” I could not match it; it is more conical than any 
S. baconi, Reeve, had or have since obtained. It is very 
thin, but is evidently not a worn shell, and is very glistening 
internally. It must be an extreme variant if it be S. bacon. 
May it be an albino of one of the forms of S. diemenensis, 
Quoy ? 
; S. denticulata. Quoy & Gaimard, var. tasmanica, Ten. Woods,. 
Proc. Roy. Soc. Tasmania, 1877, p. 5435. zonata, Ten. Woods, op. 
cit., 1878, p. 99, and p. 47; Pritchard & Gatliff, Proc. Roy. Soc. 
Vict., 1903, vol. xv. (n.s.), part 38, p, 221. 
It was listed by Tate and May in their Census for Tas- 
mania, as S. tristensis, Sowerby, in Proc. Linn. Soc. New South 
Wales, 1901, vol. xxvi., pt. 3, p. 419, by misidentification. 
It is found at MacDonnell Bay on the rocks above low 
water, and at Beachport, mostly much eroded. But perfect 
specimens may attain full size of 22°5 mm. by 19'5 by 9, and 
may show a perfect protoconch of a deep brown colour, 
hooked backwards, and spirally curved, with the nucleus of a 
deep amber tint deviated to the left, on which side alone its 
_ two whorls, quite distinct, smooth, round, and slightly elate, 
ope yisible. , 
~S. stowz, Verco. 6] / Le 
S. stowa, Verco, Trans. Roy. Soc. South Austr., 1906, vol. 
xxx., p. 223, pl. viii., figs. 3 to 8. 
Type loc.—Pondolowie Bay, Spencer Gulf. The habitat 
has not been extended beyond Encounter Bay. 
Family GADINIID A, Gray. 
Genus GapiniA, Gray, 1824. q 
per nll. ee Aa 
Gadinia—conica, Angas, Proc. Zool. Soc. Lond., 1867, p. 115,. 
-No. 27, pl. xiii., fig. 27. Type locality, ‘Port Jackson Heads: 
(Coll., Angas)’; also p. 220, No. 221, ‘‘Coodgee Bay.” 
Gadinia angasi, Dall, Amer. Jour. Conch., 1870, vol. vi., 
p. 11; Pritchard & Gatliff, Proc. Roy. Soc. Vict., vol. xv. (n.s.),- 
part 3, p. 222, ‘“Portsea, Port Phillip; Western Port.” 
Taken on the ocean beach at Port MacDonnell, Beach- 
port, and Robe, not rare, and in good condition (Verco) ; Head 
of Great Australian Bight (Tate); Rosetta Head, Encounter 
Bay (Tate). 
Family MODIOLARCID &, Gray. 
Genus Mopronarca, Gray. 

M. tasmanica, Beddome. 4 © 0% 
Modiolarca tasmanica, Beddome, Proc. Roy. Soc. Tasmania, 
1881, p. 168; Cloudy Bay, South Bruni Island, and off Brown’s: 
River; Tate & May, Proc. Linn. Soc. N.S. Wales, vol. xxvi., 1901, 
p. 439, Text, fig. 12. 
ie Lélarr art tagotenata, Tenison Woods. “acieicbna in Ye 73 
