Babteum. — A Fossiliferous B<d at Kawa Creek. 



105 



Paphia curt a (Hutt.). 

 Pecten williamsoni Zittel. 

 Pinna sp. 



Polinices amhiguus Sut. 

 * amphialiis (Watson). 



ovatus (Hutt.). 



sagenus Sut. 



*Protocardia pulchella (Gray). 

 *Psammobia lineolata Gray. 



* stangeri Gray. 



Siphonalia costata (Hutt.). 



kcnvaensis Bartrum.f 



jrropenodosa Bartrum.l 



*8pisula aequilateralis (Desli.). 



aequilateralis gilherti 



trum.t 



* ordinaria (Smith). 



Bar- 



Stndhiolaria sp. 

 *Tellina alba Q. & G. 



* glabrella Desli. 



* huttoni sterrha Sut. J 



* spenceri Sut.§ 



* urinatoria Sut.J 



Terebra henesulcata Bartruni.t 

 *Tugalia hascauda Hedley. 

 * intermedia (Reeve). 



kawaensis Bartrum.f 



Turbo 'postulatus Bartruin.")" 



Turris duplex Sut. 



Turritella huttoni Cossm. 



* symmetrica Hutt. 



^Venericardia difficilis (Dosh.). 



* lutea (Hutt.). 



* purpurata (Desli.). 



A critical examination of this list shows the following facts : Including 

 new ones, seventy-four species have been identified, four of them doubt- 

 fully so, and in addition three genera represented, one of which has no living 

 representatives. Forty-six of the species are still living — a, percentage of 

 62 ; one of these — Hipponix antiquatus (L.) — is new to the New Zealand 

 fauna, whilst three are recorded fossil for the first time. There are six 

 new species and one new variety. 



A considerable amount of information about the upper Notocene fossils 

 probably awaits publication by the New Zealand Geological Survey, but, 

 depending upon literature now available, the writer finds that as many as 

 sixteen of the twenty-nine extinct species have not previously been described 

 from beds higher than the Awamoan stage. Eleven species are found 

 fossil only in the Wanganui and Petane beds,|| or are Recent species now first 

 recorded fossil, and one more — Dosinia anus (Phil.) — is known only from 

 Pliocene beds elsewhere in New Zealand.^ 



Dr. J. A. Thomson, Director of the Dominion Museum, who has available 

 for comparison many unpublished identifications of fossils from North 

 Otago and South Canterbury made by the late Mr. H. Suter, very kindly 

 compared the Kawa faunal lists with those of the various typical Canterbury, 

 North Otago, and other localities, and reported as follows : " I find that 

 forty-seven of your species are known from the Awamoan or lower beds, 

 while twenty-three are not.** These twenty-three include, of course, all the 

 new species, and the remaining seventeen are all Recent species with the 

 exception of Drillia aequistriata Hutt., Olivella neozelamca (Hutt.), and 

 Polinices amhiguus Sut. The last species I cannot trace ; the two former 

 are certainly Wanganuian."tt 



_ _ _ _ y fc 



t Described in tlxis volume (pp. 96-100). 



% Not before recorded fos.sil. 



§ The late Mr. Suter informed the writer that he obtained a specimen of this shell 

 in a collection from Poverty Bay made prior to 1874 (locality No. 60 of the New Zealand 

 Geological Survey). Otherwise it was formerly unknown fossil. 



II Wanganui system (Pliocene) of Marshall (New Zealand and Adjacent Islands, 

 Handbuch der regionalen Geologie, 1911). 



T[ H. Suter, Manual of the New Zealand Mullusca, 1913. 



** Species doubtfully identified are omitted. 



tt Personal communication. 



