476 Proceedings. 
rock specimens—Colonel De Quincey. Minerals from the caves at the 
Three Kings—Captain Hutton. Specimen of spider, supposed to be the 
katipo. 
1. * Analyses of Waters, lately forwarded to Dr. Hector, at Wellington." 
EXTRACTS. 
“Class IV. Results of analysis of specimen No. 156-L. Water, six 
bottles ; forwarded by T. B. Gillies; locality, Hot Springs, near Mahurangi, 
Auckland ; received, 24th January, 1868 ; reported on, 25th February, 1868; 
4 oz. of water from cold spring (A) yielded 1:85 grain, or per gallon 74 
grains; ditto hot (B), 3°51 grains, or per gallon 140'4 grains; ditto hottest 
(C), 3°54 grains, or per gallon 141°6 grains. The analysis of the solid 
residue from A could not be completed for want of material. 
ANALYSIS (A). 
gr. gr. 
Sulphuric acid d equ cdd Mat: .. '220rpergal 8:80 
Chlorine ... ewe “56 or per gal. 22:40 
i P eh. uw ins .. "l8 or per gal. 5'20 
Magnesia ... e wb ss .. '28 or per gal. 9:20 
Silica - ves ove € .. "08 or per gal. 3:20 
otash  ... oes eee - .. 'l2orpergal 480 
Balance left, probably carbonic acid and soda  ... ‘51 or per gal. 20°40 
185 | 7400 
ANALXSIS OF THE SOLID RESIDUE FROM B. 
gr. gr. 
Chloride of magnesium its E .. '55 or per gal. 22:00 
Chloride of calcium .., "e vse 42 or per gal. 16:80 
Chloride of sodium .., eee pes E 13 or per gal. 85:20 
Silica ^ .. d sis Wer .. "09 or per gal. 3°60 
Potash... eek e dee ... Traces Traces 
Carbonic and sulphurous acids eu soe, Traces Traces 
Constitutional water and loss... ese .. ‘82 or per gal. 12°80 
3°51 140°40 
*(Q.) The composition of C appearing the same as B to a qualitative 
examination, it was not quantitatively analyzed. 
* Results of analysis of specimen No. 252-L, forwarded by T. B. Gillies, 
from a hot spring near a lake on the west side of the Waikato River, 
received 23rd September, 1868 :— 
* Water: Character, clear; reaction is decidedly alkaline ; contains 47:04 
grains of fixed matter per gallon, consisting principally of alkaline chlorides, 
deos Penden tene "AH Mlicates of lime and alkaline carbonates. 
e ST eee qiu. 
