CAEDITA. 351 



Hutton suggested its application to the New Zealand shell now 

 described. The species name proposed refers to the locality 

 Awamoa, where the shell is said to be common. 



Dimensio>is.— Height 40 mm. ; length 44 mm. 



Form, and Zoc— Eocene and Miocene (?) : New Zealand. 



L. 10553, L. 10554. Many examples of both valves having 

 smooth ribs (var. £ of Hutton) ; from Parimoa. 



/T. £. D. Mantell Coll. 

 L. 10555. Two specimens (var. £ of Hutton) from Parimoa. 



Trans/erred from the Museum of Practical Geology. 



I. 10556, Cast in glauconitic sandstone ; from Curiosity Shop, 

 Canterbury. g^^, j^,^^^^^ j^^^^^^ ^,J^ 



Cardita australis, Lamarck (sp.). 



1818. Venericardia australis, Lamarck, Hist. Nat. Anim. saas Vert t. y 



p. 610. 

 1873. Cardita australis, Von Martens, List Moll. N.Z. p. 47. 

 1873. Venericardia australis, Button, Cat. Marine Moll. N.Z. p. 74. 

 1873. Venericardia australis, Hutton, Cat. Tert. MoU. X.Z. p. 23. 

 1880. Cardita australis, Hutton, Man. X.Z. Moll. p. 158. 

 1893. Venericardia australis, Hutton, Linn. Soc. N.S.W. Macleav Mem Vol 



p. 85. J ■ • 



Shell strongly radiately costated, each rib bearing a number 

 of prominent, compressed tubercles, which frequently become sub- 

 spinose towards the posterior end of the shell. 



Dtmensmis.—Reight 27-5 mm. ; length 31-5 mm. 



Form, and Zoc— Pliocene : Wanganui, New Zealand. 



I. 10552. Three specimens. W. B. D. Mantell Coll. 



L. 10557. Two examples of both valves. Sir James Hector Coll. 



Cardita, sp. 



L. 5646. Cast of a species allied to Mijtilicardia compta, Tate, 

 but proportionately higher and more tumid, whilst the median 

 radud cost* are broader and flatter ; from Gippsland, Victoria. 



Presented hxj the Rev. J. S. II. Royce. 



L. 10551 Cast of a large species ; from the Tertiary of Nullarbor 

 Pluius, South Australia. m. Y. L. Brown Coll. 



