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 the extreme variant (Acmce alba). 



Nacella parva, Angas. 



Nacella parva, Angas, Proc. Zool. Soc, 1878, p. 862, pi. 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 from shallower waters. 



Nacella crebrestriata, Verco. 



Nacella crebrestriata, Verco, Trans. Roy. Soc, S.A., 1904, 

 vol. xxviii., p. 144, pi. xxvi., figs. 20, 21; 1906, vol. xxx., p. 208; 

 •and 1907, vol. xxxi., p. 101. 



Dredged in 55 fathoms off Cape Borda, 1 ; taken on the 

 beach at Venus and Sceales Bays, Port Sinclair, and St. Fran- 

 cis Island. 



Var. roseoradiata, Verco. 



Was taken at Gruichen Bay and St. Francis Island. 



Nacella stowae, Verco. 



Nacella stowce, Verco, Trans. Roy. Soc, S.A., 1906, vol. xxx., 

 p. 209, pi. x., figs. 4, o, and 1907, vol. xxxi., p. 101; Gatliff, Proc 

 Roy. Soc, Victoria, 1907, vol. xx. (New Series), part 1, p. 34, 

 recorded for Victoria. 



Kingston Beach, many ; St. Francis Island beach, 4 good. 



Acmaea alticostata, Angas. 



Patella alticostata, Angas, Proc. Zool. Soc, London 1865, 

 p. 56, pi. ii., fig. 11; Verco, Trans. Rov. 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. Radula, pi. xvi., figs. 3, 4. 



Acmaea flammea, Quoy and Gaimard. 



Patelloidea flammea, Quoy and Gaimard, Voy. "Astrolabe," 

 Zool., 1834, vol. iii., p. 354, pi. lxxi., figs. 15, 16; Verco, Trans. 

 Roy. Soc, S.A., 1906, vol. xxx., p. 212. 



A form like the type, which I have from the Derwent 

 estuary, the type locality, has not been found by me in South 



