Prof. J. Park — Tertiaries and Cretaceous, New Zealand. 547 



that passes into a compact shelly limestone in a few places. It is 

 everywhere fossiliferous generally, and its characteristic fossils from 

 one end of New Zealand to the other are JPseudamusium huttoni, 

 which is never known to he absent, Cirsotrema browni, and Meoma 

 crawfordi. 



The Weka Pass Stone, on the other hand, has never yielded any 

 recognizable fossils, the fossils reported to have been found in it 

 by Haast having been, as I showed in 1904 (Trans. N.Z. Inst., 

 vol. xxxvii, p. 545), obtained from blocks of fossiliferous stone that 

 had tumbled down from the overhanging escarpments of the Tertiary 

 beds on Mount Donald, and lodged on the Weka Pass Stone 

 outcrops. 



The authors, however, do not follow the old Geological Survey, 

 but correlate the Oaniaru Stone with the Amuri Limestone, and the 

 Weka Pass Stone with the Hutchinson Quarry Beds. I may say that 

 the most enthusiastic supporter of the supposed Cretaceo-Tertiary 

 never ventured so far as to correlate the Oamaru Stone with the 

 Amuri Limestone. The Oamaru Stone everywhere contains a large 

 assemblage of Tertiary fossils, and is admitted to overlie conformably 

 beds that contain from 20 to 28 per cent of living forms. How, 

 then, can it be the equivalent of the Amuri Limestone, which has 

 yielded no fossils except an Ammonite, and which, moreover, is 

 admitted by all observers to overlie conformably beds that contain 

 a large assemblage of Mesozoic Saurian s, Belemniles, Concliothyra, etc. ? 

 The suggested correlation has no more foundation than, say, the 

 correlation of the Barton Sands of Hampshire with the Lower Chalk 

 of the North and South Downs. Their correlation of the Hutchinson 

 Quarry Beds with the Weka Pass Stone is supported by no evidence 

 or any attempt to analyse the position. 



Now the Weka Pass Stone contains no known fossils, whereas 

 the Hutchinson Quarry Beds contain a fauna rich in forms, of which 

 over 40 per cent are present in the Mount Donald or Mount Brown 

 Beds, which overlie the Weka Pass Stone by many hundred feet. 

 Why, then, correlate the Hutchinson Quarry Beds with the Weka 

 Pass Stone, which contains none of the Hutchinson Quarry fossils, 

 when there is an overlying horizon (Mount Donald) in the same 

 section, which contains so many of them ? 



In 1904 1 and in my work on the Geology of New Zealand, 1910, 

 I correlated the Otatara Stone with the Mount Brown and Mount 

 Donald Beds on the grounds that a very large number of the distinctive 

 fossils was common to both horizons. The Oamaru and Waipara 

 districts are separated b}" 150 miles, and I should not care to assert 

 that any particular bed at Oamaru was deposited on the same 

 time-plane as some particular portion of the Mount Brown Beds, 

 but I think the similarity of the faunas is so striking that there 

 can be little doubt we are dealing with two closely related series. 



The following is a list of nineteen of the more abundant fossils in 

 the Ototara Stone at Oamaru and Mount Brown Beds at Waipara, 



1 Park, " Marine Tertiaries of Otago and Canterbury" : Trans. N.Z. Inst., 

 vol. xxxvii, pp. 489-550, 1904. 



