Mollusca.] SUBANTARCTIC ISLANDS OP NEW ZEALAND. 



Acmaea septiformis (Quoy and Gaimard), 1834. 



Patdloidea septiformis, Q. and G., Voy. " Astrolabe," iii, 1834, p. 362, pi. Ixxi, 

 figs. 43, 44. Acmaea septiformis, Q. and G., Man. Conch. (1), xiii, p. 55 

 pi. xxxvii, figs. 93, 94. Acmaea scabrilirata, Angas, P.Z.S., 1865, p. 154. 

 Acmaea petterdi, T.-Woods, P. Roy. S. Tasm., 1877, p. 155. A. septiformis, 

 Q. and G. : Suter, P. Mai. S., vii, p. 318. 



^oA.— Auckland Islands (Professor Benham) ; Campbell Island (Professor 

 Chilton). 



Also Chicken Island, west coast of the Manukau, Dunedin, Tasmania, and 

 Australia. 



Acmaea pileopsis (Quoy and Gaimard), 1834. 



Patdloidea pileopsis, Q. and G., Voy. " Astrolabe," iii, 1834, p. 359, pi. Ixxi, figs. 25-27. 

 Acmnea pileopsis, Q. and G., Man. Conch. (1), xiii, p. 57, pl. xxxvii, 

 figs. 90-92 ; Suter, P. Mai. S., vii, p. 319. Patelloides antarctica, Hombron 

 and Jacquinot, Ann. Sci. Nat. (2), xvi, 1841, p. 190. Patella floccata. 

 Reeve, Conch. Icon., 1855, fig. 106. 



Hob. — Snares Islands (Professor Chilton) ; Auckland Islands ; Campbell Island 

 (Captain J. Bollons). 



Also North and South Islands of New Zealand. 



Acmaea cantharus (Reeve), 1855. 



Patella cantharus. Reeve, Conch. Icon., 1855, fig. 131. Acmaea cantharus. Reeve, 

 Man. Conch. (1), xiii, p. 55, pl. xxxvii, figs. 1, 2 ; Suter, P. Mai. S., vii, 

 p. 320. 



Hah. — Auckland Islands. 



Also South Island of New Zealand ; Macquarie Island (A. Hamilton). 



Acmaea campbelli (Filhol), 1880. 



Patdla campbelli, Filhol, Compt. Rend., xci, 1880, p. 1095 ; Miss. I.C, 1885, p. 530. 

 Acmaea campbelli, Filhol : Suter, P. Mai. S., vii, p. 321, pl. xxvii, figs. 19, 20. 



Shell small, roundish-oval, conical, subpellucid, finely ribbed, pink. The radiate 

 riblets are very numerous and close together, about 40 reach from apex to margin, 

 and about 20 are interstitial ; they are broadly convex, and crossed by numerous 

 very fine concentric growth-lines. The colour is uniformly pink. Apex small, 

 rounded, situate about the anterior third of the length ; anterior slope straight, 

 posterior slope very little convex. Inside pinkish-white, with white radiating rays 

 corresponding to the riblets ; central area pink ; margin crenulate, with a narrow 

 pink border. 



Length, 5 mm. ; breadth, 5 mm. ; height, 3 mm. Type. 



Length, 5-75 mm. ; breadth, 4-75 mm. ; height, 3 mm. From Auckland Islands. 



Hab. — Campbell Island (Filhol) ; Auckland Islands (Captain J. Bollons). 



