EXPLANATION OF THE MAPS. 
and may serve as a guide to the tourist in this interesting 
district. 
Professor v. Fehling, of Stuttgart, has had the kindness 
to analyse the waters of the lake and the stalactites. On 
account of the small quantity of the water, a quantitative 
analysis could not he made. 
A . — Analysis of the Water . 
1. Te Tarata Spring, hy Mr. Melchior. 
2. Ena Kiwi Spring, by Air. Melchior. 
8. Roto Punamu, by Dr. Kielmaier. 
In 1000 parts of water was contained : 
i. 
2. 
3. 
Siliceous acid . 
. 0,164 
0,168 
0,231 
Chi or natrium . 
. 2,504 
1,992 
1,192 
Residue 
. 2,732 
2,462 
1,726 
B .—Silicious Stalactite or Deposit of the different Wot Springs 
on the hanJcs of the Iloto-mahana. 
1. Deposit of Te Tarata Spring: (a.) soft, (h.) hard. 
2. ,, of the ISTgahapu Fountain, 
3. „ of the Whatapoho Fountain, 
4. ,, of the Otuka Puarangi Spring. 
The analysis executed by Mr. Mayer gives : 
Silica . 
Water and organic substance 
Oxide of Iron ) 
Argillaceous eartli \ 
Chalk . 
Magnesia . . . 
Alkalies . 
1 . 
b. * 
9 
3. 4. 
86,03 
84,78 
79,34 
88,02 86,80 
11,52 
12,86 
14,50 
7,99 11,61 
1,21 
1,27 
1,34 | 
3,87 \ 
2,99 | Traces 
0,45 ) 
0,40 
0,27 
0,36 
1,09 
0,26 ) 
0,64 } rn 
0,38 \ 
0,42 1 
0,40 \ liaces 
MAP Y. 
WHAIN GABO A, AOTEA, AND KAWHIA — THKEE II ABB 0 UPS ON 
WEST COAST OF THE PBOYINCE OF AUCKLAND. 
The contrast between a weather sliore and lee shore coast 
formation is nowhere so striking as between the west coast and 
the north-east coast of the North Island of New Zealand. 
While, from the North Cape to the East Cape, the coast, 
