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Transactions. 



and the two series appear to be separated from one another by a normal 

 fault. The diagram, fig. 2, therefore represents the author's opinion of 

 the structure of this interesting basin of Tertiary rocks. 



The following is a list of the fossils found in the marly greensands on 

 the left, bank of the river about a mile below Wharekuri, which were obtained 

 as a result of two days' collecting : — 



Turritella ambulacrum Sowerby. 



pagoda Reeve. 



symmetrica Hutton. 



carlottae Watson. 



Struthiolaria cincta Hutton. 

 Oalyptraea maculata Q. & G. 

 Polinices gibbosus Hutton. 



huttoni Ihering. 



cinctus Hutton. 



suturalis Hutton. 



Cymatium minimum Hutton. 

 Epitonitim, rugulosum lyratum Zittel. 



n. sp. 



Niso n. sp. 



Fu sinus sp. 



Siphonalia nodosa Martyn. 



excelsa Suter. 



Cominella exsculpta Suter. 



pulchra Suter. 



Alectrion socialis Hutt. 

 Lapparia corrugata Hutton. 

 Fulguraria gracilis Swainson. 

 Ancilla pseudaustralis Tate. 



bicolorata Hutton. 



Marginella harrisi Cossman. 

 Tunis uttleyi Suter. 

 Drillia callimorpha Suter. 

 Surcula fusiformis Hutton. 



hamiltoni Hutton. 



Bathytoma sulcata excavata Suter. 



Mangilia cincta Hutton. 



- rudis Hutton. 

 Exilia dalli Suter. 

 Cylichnella enysi Hutton. 

 XenopJwra sp. 

 Dentalium mantelli Zittel. 



— solidum Hutton. 

 Leda semiteres Hutton. 



— bellula A. Adams. 

 Malletia australis Q. & G. 

 Anomia trigonopsis Hutton. 



— ivalteri Hutton. 

 Glycymeris cordata Hutton. 

 Cucullaea attenuata Hutton. 

 Limopsis aurita Brocchi. 



zitteli Ihering. 



Pecten chathamensis Hutton. 



huttoni Park. 



Ostraea tatei Suter. 

 Crassatellites obesus A. Adams. 

 Venericardia pseutes Suter. 

 Loripes laminata Hutton. 

 Dosinia greyi Zittel 

 Macrocallista multistriata Sowerby. 

 Chione meridionalis Sowerby. 

 Gardium patulum Hutton. 

 Psammobia lineolata Gray. 

 Corbula humerosa Hutton. 



canaliculata Hutton. 



Teredo heaphyi Zittel. 



Fourteen species in this list of sixty are Recent, a percentage of 23*3. 

 The most abundant of these fossils are Polinices huttoni, Cucullaea attenuata, 

 Venericardia pseutes, Crassatellites obesus, and amongst the smaller shells 

 Limopsis zitteli. 



The only other list of species of Mollusca from this locality is that given 

 by Park.* Park's collection, however, was made on the other side of the 

 river. It contains thirty-nine species, of which only twelve are identical 

 with|the species listed here. 



Otiake. 



There is a prominent exposure of limestone on the right bank of the 

 Waitaki, about five miles below Kurow. It lies half a mile distant from the 

 railway-line between Oamaru and Kurow, on its southern side, just below 



* Trans. N.Z. Inst., vol. 37, 1905, p. 525. 



