Mollusca.] SUBANTARCTIC ISLANDS OF NEW ZEALAND. 45 



Fam. CARDITIDAE, Ferussac. 

 Genus Venericardia, Lamarck, 1801. 



Distribution. — Northern seas, west coast of Africa, Mediterranean, Indian 

 Ocean, west coast of America, Australasia, &c. 



Venericardia difficilis (Deshayes), 1854. 



Cardita difficilis, Deshayes, P.Z.S., 1852 (1854), p. 103, pi. xvii, figs. 16, 17 ; Button, 

 M.N.Z.M., p. 159. 



Hah. — Ten miles north of Enderby Island, in 85 fathoms (E. R. Waite). 

 North and South Islands of New Zealand. 



Venericardia (Miodon) corbis (Philippi), 1836. 

 Cardita corbis, Philippi, Enum. Moll. Siciliae, i, 1836, p. 55. 



Shell small, subtriangular, equi valve, slightly inequilateral, convex, with 10 

 to 1 1 stout imbricating radiate ribs. 



Length, 5 mm. ; height, 6 mm. ; diameter, 4 mm. 



Hah. — Near the Bounty Islands, in 50 fathoms (Captain J. Bollons) ; ten miles 

 north of Enderby Island, in 85 fathoms (E. R. AVaite). 

 Coasts of New Zealand, in 20 to 50 fathoms. 



Fam. LEPTONIDAE, Gray. 

 Genus Neolepton, Monterosato, 1875. 

 Distribution. — In most seas. 



Neolepton antipodum (Filhol), 1880. 



Kettia antipodum, Filhol, Compt. Rend., xci, 1880, p. 1095 ; Miss. I.C, 1885, p. 543. 

 Neolepton antipodum, Filhol : Hedley, T.N.Z.I., xxxviii, p. 74, pi. 1, fig. 5. 



^aft.— Campbell Island (Filhol). 

 Also North Island of New Zealand. 



Genus Rochefortia, Velain, 1876. 

 Distribution. — Southern seas. 



Rochefortia donaciformis (Angas), 1878. 

 Mysdla donaciformis, Angas, P.Z.S., 1878, p. 863, pi. liv, fig. 13. 

 /^rt6.— Campbell Island (Professor Chilton). 

 Also Stewart Island, in 18 fathoms ; Australia. 



Genus Lasaea (Leach), Brown, 1827. 

 Distribution. — Cosmopolitan. 



