CONTENTS. 
PAGE. 
Observations upon the Cliartography of New Zealand, by 
Dr. A. Petermann ... ... 3 
Lecture on the Geology of the Province of Auckland, by 
Dr. F. v. Hochstetter ..... 8 
New Zealand, Geographical and Geological Survey : Explanation 
of Map I. . . . . . . .43 
The Geological Formation of the Southern Part of the 
Province of Auckland, Map IT. ... 47 
•• fr \ 
Record of the heights of the Southern part of the Province 
of Auckland ...... 56 
The Isthmus of Auckland and its extinct Volcanos, Map III. 62 
Rotomahana (or the Warm Lake) and its hot springs, Map IV. 67 
Whaingaroa, Aotea, and Kawhia, three harbours on the West 
Coast of the Province of Auckland, Map V. . . 72 
Lecture on the Geology o tne Province of Nelson, by Dr. F. v. 
Hochstetter . . . . . . 77 
Explanation of the Map of the Province of Nelson, Map VI. . 108 
