183 
The species is rare and rather small on the South Aus- 
tralian coast, both the typical and the variant form, and it 
is only when we get west as far as St. Francis Island that we 
find it of fair size and in good variety. Here we take both 
the craggy typical shell and Zs, extreme variant (Acme alba). 
asy NWacoaha Ff 
.——NaceHa parva, Angas. 
Nacella parva, Angas, Proc. Zool. Soc., 1878, p. 862, pl. liv., 
fig. 12; Verco, Trans. Roy. Soc., S.A., 1906, vol. xxx., p. 208 
and 1907, vol. xxxi., p. 101. ; 
Taken on the beach at Sceales Bay, and at St. Francis 
Island in 6 fathoms, and in 15 to 20 fathoms, many and in 
good condition, with the axial line of dorsal spots of a delicate 
blue colour; in 35 fathoms, 2 much more depressed than 
those oe shallower waters. 
—NeaeceHa crebrestriata, Verco. ~ “a 
Nacella crebrestriata, Verco, Trans. Roy. Soc., S.A., 1904, 
vol. xxviii., p. 144, pl. xxvi., figs. 20, 21; 1906, vol. xxx., p. 208; 
and 1907, Sal xxxi., p. 101. Zon, 
Dredged in 55 fathoms off Cape Borda, 1; taken on the 
beach at Venus and Sceales Bays, Port Sinclair, and St. Fran- 
cis Island. * . 
4 
pe (GS 
Var. roseoradiata, Verco. 4 / 9 aa 
aS 
Was taken at Guichen Bay and St. Francis Island. 
OO linactreee 
Naceil@ stowz, Verco. 
Nacella stowa, Verco, Trans. Roy. Soc., S.A., 1906, vol. xxx., 
. 209, pl. x., figs. 4, 5, and 1907, vol. xxxi., p. 101; Gatliff, Proc. 
oy. Soc., Victoria, 1907, vol. xx. (New Series), part 1, p. 34 
recorded for Victoria. 
Kingston Beach, many; St. Francis Island beach, 4 good. 
? 
Peal ober, alticostata, Angus. ~“ 3 /aZ@bidahe dF 
Patella alticostata, Angas, Proc. Zool. Soc., London, 1865, 
p. 56, pl. ii., fig. 11; Verco, Trans. Roy. Soc., S.A., 1906, vol. 
xxx., p. 209. 
Taken at Venus Bay and Port Sinclair, also on St. Francis 
Island, abundant, typical, good condition, and in considerable 
variety. adula, pl. xvi., figs. 3, 4. 
iJ 
64/4 MAcmza flamsmecea, Quoy and Gaimard. 
Patelloidea flammea, Quoy and Gaimard, Voy. ‘‘Astrolabe,”’ 
Zool., 1834, vol. iii., p. 354, pl. Ixxi., figs. 15, 16; Verco, Trans. 
Roy. Soc., S.A., 1906, vol. xxx., p. 312. 
A form like the type, which I have from the Derwent 
estuary, the tiype locality, has not been found by me in South 
