Marshalt., Speight, Cotton. — Yoaurier Nnrk-series of N.Z. 397 



account gives the most correct intcrpretaUou of its stratigraphical rela- 

 tions. 



The old rocks of the Maitai series — possibly of early Mesozoic age — 

 form the core of the Maraetai Hills and reach the shores of the Waite- 

 mata (Auckland) Harbour near Maraetai. Skirting these hills, and lying 

 unconformablv on the older rocks, are various sedimentaries — conglome- 



FiG. 9. 



rates, sandstones, clays, and limestones — which are typically exposed in 

 Slippery Creek, near Papakura, and to which the name of Papakura series 

 was given by Hochstetter. The characteristic beds of the Papakura series 

 have since Hochstetter's time been fomid to extend along the flanks of 

 the hills in a northerly direction at least as far as Waikopua Creek, where 

 limestone resembling that in Slippery Creek was found by Park. 



