/150 Transactions. 



The fossils collected from the lower part of the limestone were — 

 Aetheia gaulteri (Morris) ' | Pachymagas huttoni Thomson 



Liothyrella landonensis (?) Thomson j Rhizothyris rhizoida (Hutt.) 

 Neothyris tapirina (Hutt.) Terehratidina suessi (Hutt.) 



Pachymagas ellipticus Thomson | Epitonium lyratum (Zitt.) 



Foraminifera are also abundant. 



Below this fossiliferous portion 2 ft. or 3 ft. of greyish-green glauconitic 

 marly sands are exposed, and in the basin of Waipati Creek the quartz- 

 grits are exposed dipping towards the limestone. 



(4.) Maruwenua Rirer. 



The quartz-grits and overlying greensands can be seen at many places 

 between Duntroon and Livingstone. At the latter place the grits are 

 worked for gold, and are immediately overlain by a bed of fossiliferous 

 greensand in which shark's teeth are abundant. This in turn is followed 

 by concretionary greyish sands full of fossils (McKay, 1882b, p. 105). 

 McKay, however, gave no list of fossils. 



On the Eight bank of the Maruwenua River, at a point about a mile 

 south-west of Trig. Station S (Maruwenua Survey District), a calcareous 

 concretionary band full of fossils occurs in quartzose micaceous greensands, 

 not far above the basal quartz sands. Twenty feet above this band occurs 

 a sill of basalt, followed by another sill higher in the section, the two sills 

 being separated by 20 ft. of greensands. The beds dip easterly at 10°. The 

 calcareous concretionary band is full of fossils, but they are very difficult 

 to extract. The late Mr. Henry Suter determined the following forms 

 from a large quantity of material gathered by the writer. The work of 

 identification was rendered difficult, as most of the fossils were casts. 



*Nucula strangei A. Ad. 

 *Polinices amphialus (Wats.) 



Sinum n. sp. 



Surcula n. sp. 

 *Titrritella carlottae Wats. 

 *Venericardia difficilis (Desh.) 



*Ancilla novae-zelandiae (Sow.) . 

 *Capulus australis (Lamk.) 

 • Cardium waitakiense Sut. 



Cardium n. sp. 



Corbida humerosa Hutt. 



Cylichnella enysi (Hutt.) 



Mangilia n. sp. 



Out of this small list four species are new. Mr. Suter has published 

 the description of only one of these species — Sinum fornicahim Suter. 



Some distance to the north-east a steep escarpment of the limestone 

 occurs, the lower portion being glauconitic ; the dip is easterly, at 7°. 

 A few fossils were obtained from the lower part of the limestone : — 

 Aetheia gaulteri (Morris) 

 Epitonium lyratum (Zitt.) 

 Terebratulina suessi (Hutt.) 



At four places in the road-cuttings in Blocks 2 and 3, Maruwenua 

 Survey District, the writer foimd a hardened calcareous concretionary 

 band lying above the limestone. The fossils were in the form of casts, 

 but the position of the beds above the limestone indicates that the Otiake 

 beds are widely spread throughout this part of the district. 



(5.) Station Peak. 

 Although this locality is beyond the scope of tlie present paper, a 

 brief reference should be made to it. On the Canterbury side of the 

 Waitaki, opposite the mouth of the Otekaike River, there is an outcrop 

 of fossiliferous Tertiary rocks lying near the base of a well-marked fault- 

 scarp. The beds dip 40° to the west. This scarp, which bounds the 



