•280 



Transactions. 



Mangilia n. sp. 

 Borsonia n. sp. 

 Terebra or y eta Suter. 

 Gylichnella striata Hutton. 



enysi Hutton. 



n. sp. 



Dentalium mantelli Hutton. 



solidum Hutton. 



n. sp. 



Nucula hartvigiana Phil. 

 Malletia australis Q. & G. 

 Placunanomia incisura Hutton. 



zelandica Gray. 



Anomia huttoni Suter. 

 Area decussata Q. & G. 



australis Hutton. 



n. sp. 



Limopsis zitteli Ihering. 

 Glycymeris laticostata Q. & G. 



globosa Hutton. 



■ n. sp. 



Cucullaea alia Sowerby. 

 Pecten zelandiae Gray. 



burnetti Hutton. 



Pseudamusium huttoni Park. 

 Lima colorata Hutton. 

 Mytihis striatus Hutton. 

 Ostrea angasi Hutton. 



Ostrea nelsoniana Zittel. 

 Crassatellites obesus A. Ad. 



attenuatus Hutton. 



■ aniplus Zittel. 



Venericardia difficilis Deshayes. 



pseutes Suter. 



Diplodonta, globularis Lam. 

 Tellina glabrella Deshayes. 

 Zenatia acinaces Q. & G. 

 Dosinia magna Hutton. 

 Macrocallista n. sp. 



Chione meridionalis Sowerby. 



mesodesma Q. & G. 



yatei Gray. 



Paphia carta Hutton. 



n. sp. 



Cytherea, oblonga Hanley. 

 ■ sulcata Hutton. 



subsulcata Suter. 



Psammobia lineolata Gray. 

 Corbula pumila Hutton. 

 — ■ — ■ canaliculata Hutton. 



humerosa Hutton. 



caiparaensis Suter. 



Myodora subrostrata E. A. Smith. 

 Panopea sp. 



Chama huttoni Hector. 

 Chamostrea albida Lam. 



Of these 126 species, Mr. Suter is good enough to inform me, forty -six 

 are Eecent. The percentage of Recent species is therefore 36-3. Mr. Suter 

 informs me that 50 per cent, of the species listed in the paper published 

 last year are Recent. This shows how very greatly this percentage may 

 change as the collection from a locality becomes more complete. It is 

 hoped that during the ensuing year we may be able to excavate the bed 

 to such an extent as to make the collection still more complete. At the 

 present time greensands are exposed in a small cutting about 50 ft. below 

 the actual shell-bed. 



The fact that this list of 126 species includes some thirty species that 

 Mr Suter considers to be new shows how very imperfectly the Tertiary 

 beds of New Zealand have been scrutinized. Under these circumstances, 

 it is obviously quite unsatisfactory to attempt to classify the Tertiary strata 

 on the basis of the absence of any species in some strata or because of their 

 presence in others. Several of the genera recorded here have not previously 

 been found in the fossil state in strata below the Wanganui beds, of Pliocene 

 age, and Hutton even states* that the Pliocene is distinguished from the 

 Miocene by the occurrence of such genera as Trophon. I can find no record 

 of species of Circulus, Schismope, and Cerithiopsis being found in the fossil 

 state in New Zealand. 



Mr. Suter has kindly undertaken to describe the new species in Palaeonto- 

 logical Bulletin No. 3 of the Geological Survey, which will be published 

 shortly. 



* Macleay Memorial Volume. 



