46 SUBANTARCTIC ISLANDS OF NEW ZEALAND. [Miilliisca. 



Lasaea miliaris, Philippi, var. 

 Lasaea miUnris. Philippi. Wiejiinairs Arcliiv. f. Naturgesch., 1845, p. 51. 



Shell minute, oval, eqiiivalve, inequilateral, dark red, with somewhat irregular 

 growth-lines ; beaks prominent, broadly rounded. 



Length, "2 -5 mm. ; height, 2 mm. ; diameter, 1-3 mm. 



Hah. — Snares Islands (Captain J. Bollons) : Auckland Islands (Professor Ben- 

 ham) ; Campbell Island (Professor Chilton). 



Also Macquarie Island, Chatham Islands, VVhangaroa Harbour, Banks Peninsula, 

 Dunedin, and Stewart Island. 



Fam. SPHAERIIDAE, Dall. 

 Genus Sphaerium, Scopoli. 1777. 

 Distrihidion. — Almost world-wide, in lakes, ponds, and rivers. 



Sphaerium novae-zelandiae, Deshayes, 1853. 



Sphderium nnvae-zelnndine. Deshayes, C*at. Conehif. Brit. Mus., 1853, p. 272 ; Conch. 

 Icon., XX, pi. iv, fig. 37 ; Suter, T.N.Z.I., xxxvii, p. 242, figs. 5-7 in text. 



Hah. — Auckland Islands, in a pool (Professor Benham). 



The specimens perfectly resemble specimens I collected at Birch Hill Station, 

 Tasman V^alley. 



Nortli and Soutli Islands of New Zealand. 



Fam. MESODESMATIDAR, Deshayes. 



Genus Mesode.sma, Deshayes, 1831. 



Distribution. — Mediterranean, east coast of Nor-th America, west coast of South 

 America, Indian Ocean, Philippines, and Australasia. 



Mesodesma australe aucklandicum, v. Martens, 1879. 

 Mesodesma aucklandicum, v. Martens. Sitz. Ber. Gesell. Nat. Fr., Berlin, 1879. ]). 37. 

 A larger and more solid shell than M. australe. 

 Hab. — Auckland Islands (H. Krone, Cajjtain J. Bollons). 



Fam. VENERIDAE, Gray. 

 Genus Chioxe, Megerle, 1811. 

 Distrihuti(yii. — Almost cosmopdlitan. 



Chione stutchburyi ((iray). 1828. 



Venus stutclihuriji, (Jray, in Wood's Index Test., Suppl.. 1828, fig. 4. Venus ze- 

 landica, Quoy and Gaimard, Voy. " Astrolabe," iii, 1835, p. 522, pi. Ixxxiv, 

 figs. 5, 6. Venus dieffenbachi. Gray, Dieif. N.Z., p. 250 (young shell). 



