28 NEW ZEALAND PALEONTOLOGY. 



Vinculai'ia. Defraiice^ 1829, Diet. Science Nat., Vol. 58, 

 p. 214. 



Margaretta. Gray, 1843, in Dieffeiibacli's New Zealand, Vol. 

 2, p. 293. 



Tubucellaria. D'Orbigny, 1852, Pal. rran9aise Cret., Vol. 5, 

 p. 335. 



Onckopora. Busk, Quart. Jour. Microscop. Soe., No. 12, 

 p. 320. 



Cellaria punctata, n. s. Zooarium not mucli contracted 

 at the internodes ; branches nearly cylindrical ; surface finely 

 punctate ; cells circular, disposed distantly, quincimcially ; orifice 

 round, raised. 



This fossil is, I think, represented in the South Australian 

 tertiaries. Muddy Creek, and is closely allied to an existing 

 species in the Australian seas, the Onchopora hirsuta of Busk. 

 App. Off. Cat., p. 60 (bis?). Locality, Oamaru, but doubtful 

 whether from IV. or VI. Fig. 28, single internode, much 

 magnified . 



Genus — Me.mbranipora. 



There are a number of specimens in the collection with 

 fossils of the genus Membranipora, but not in a state of preserva- 

 tion sufficiently good for determination. 



Genus — Retehornera. Kirchenpaur. 



Retepores, with quadrate fenestr£e. One imperfect specimen 

 of this genus is in the collection (No. 51, p. 38). The fossil 

 is imbedded in stone, face downwards, and the cells are not 

 visible. The fenestrae are about 2 millimetres in length, and 

 half that in diameter, and the calcareous portions are scarcely 

 more than half a millimetre in diameter. I have named it pro- 

 visionally H. Haastiana. The genus has one living species in 

 New Zealand waters. 



Family — Selenariad.^s. 



Zooarium free ; orbicular or irregular ; conical or depressed ; 

 convex above, flat or concave below. Zoooecia of two kinds, 

 disposed quincuncially. This family is well represented in 

 Australia in both living and fossil state. It may indeed be 

 said to be Australian, though some European fossil members 

 are known. I have written a monograph of the whole family 

 in the Trans, and Proceed, of the Adelaide Phil. Society, 

 Sept. 2, 1879. 



