Pank.—Relation of Oamaru Limestone and Waitaki Stone. 87 
Oamaru stone and therefore belong to the Oamaru series.* І need hardly 
say that the “ Pareora beds” I referred to belonged to the Pareora series 
of Hutton. It was to eliminate the confusion arising from the application 
the limestone that in 1905 I adopted the name “ Awamoa " in preference 
to * Pareora" when dealing with beds definitely known to overlie the 
Mount Brown (or Hutchinsonian) beds. 
My classificationt of 1905, with “ а. Waitaki stone " deleted, still repre- 
sents the stratigraphical succession of the Lower Cainozoic formations of 
New Zealand as we know them to-day. The inclusion of the Waitaki 
stone was an attempt to reconcile Captain Hutton's views with those of 
The Oamaruian succession in the Oamaru coastal area and in the 
Waitaki-Ngapara area is shown below :— 
Stage. Coastal Area. Waitaki-Ngapara Area. 
Awamoan .. Awamoa beds  .. .. Awamoa beds. 
Hakk А (Deborah limestone .. Waitaki limestone. 
utchinsonian .. |Z boehmi band .. `` L. boehmi band. 
( Mineral tuffs is w] G T beds. 
Ototaran ' (Oamaru stone... v 10) еи ums 
Waiarekan .. Waiareka tuffs .. E я 
гап .. Ngapara grits, sands, &с. .. Ngapara grits, sand, &c. 
Авт. 5.—-On the Character of the Contact between the Ngaparan 
Beds and the Underlying Bed-rock. 
By Professor James Park, F.G.S., F.N.Z.Inst., Dean of the Faculty of 
Mining at Otago University. 
Read be he Otago Institute, 8th November, 1921 ; received by Editor, 12th November, 
deg ^ 1921 ; issued separately, Ist February, 1923.) 
AN examination of the surface of the bed-rock on which the Ngaparan 
lignitic beds rest should afford much useful information as to the con- 
* Trans. N.Z. Inst., vol. 36, p. 418, 1904. 
+ Trans. N.Z. Inst., vol. 37, p. 492, 1905. 
{ J. Park, loc. cit., p. 492. 
