BY R. TATE AND W. L. MAY. 411 



*P. usTULATA, Reeve, Conch. Icon., f. 88. 



P. Tasmanica, Ten. -Woods, P R.S.Tasm., 1876, p. 157. 

 Common (Census); Recherche Bcay (type of P. Tasmanica); 

 Frederick Henry Bay, W, L. May. 



Genus Helcioniscus, Dall, 1871. 



*H. TRAMOSERicus, Martyn (Patdla), Univ. Conch., i., t. 16; 



Reeve, Mon. Patella., f. 27. 

 P. limhata, Philippi, Abbild. Conch., iii., 1849, t. 3, f. 2. 

 P. Diemeiiensis, Philippi, Z.f.Mal., 1848, p. 162. 

 King Island, R. Tate; common (^Census); Hobart (type of P. 



Diemenensis). 



Genus N a cell a, Schumacher, 1817. 



*N. Tasmanica, Tate & May, T.R.S.S.Aust., xxiv., p. 102, 1900. 

 (PI. xxvii., figs 89-90). 

 y. parva, var. Tasmanica, Pilsbry, "Nautilus," 1895, p. 128. 

 Frederick Henry Bay, W. L. May. 



Family ACM^ID^. 



Genus Acm^a, Eschscholtz, 1828. 



Patelloidea, Quoy & Gaimard, 1833; Lottia, Gray, 1833. 



*A. SACCARHINA, Linnc; Reeve, Conch. Icon., f. 72. 

 P. stellaris, Q. & G., Voy. Astrolabe, iii., t. 71, f. 1-4. 

 King Island, R. Tate; E. Coast, W. L. May. 



*A. cosTATA, Sowerby {Lottia?), Moll. Beechey's Voy., t. 39, f. 2, 

 1829. 

 Patella alticostata, Angas, P.Z.S., 1865, p. 56, t. 2, f. 11. 

 P. costata [Sow.] Angas, P.Z.S., 1867, p. 221. 

 AcrrKEa costata, Ten.-Woods, P. R.S.Tasm., 1877, p. 50. 

 Common (Census); on S. and E. Coasts, W. L. May. 



*A. CRUCIATA, Linne sp.; Tryon, Man. Conch., xiii., p. 169, t. 73, 



f. 95. 

 Patelloidea Jiammea, Q. k G., Voy. Astrolabe, t. 71, f. 15-24. 

 Acmcea crucisy Ten.-Woods, P.R.S.Tasm., 1877, p. 52; 1878, 



p. 53; Tryon, Man. Conch., xiii., p. 58, t. 37, f. 17-18. 

 Loc. ? (Census); King Island, R. Tate. 



