226 Mr. Waldie’s investigations connected [No. 3, 
Taste LV. 
The following table shews the results obtained by this process. 
Ammonia in 
100,000 fi. grs. 
River water of 
Rainy SEAson. 
6th July, 1866, yak ae aioe 58 aes Bi 1133 
Slee NAT, 255 60 ai 507 500 crajer yee 1825 
Average, ... Bes Lae wats 1429 
Cotp SEASON. 
9th December, 1865, Shore, ie oe Bere Seah 0162 
Ditto, Stream, oer ae ASO ee .0220 
Ditto, ditto.) ee oa ace rota gate .0208 
27th ditto, ditto, cae 400 500 ts: 0328 
Average, ss. wel depck vei 0229 
Hor Szason. 
Ebb tide. 
30th May, ... ae eae as sel ee as .0250 
14th June, a ia 2a Axe ae wiese| oh .0189 
Ditto repeated, ... 506 650 ae 600 sa 0550 
INT EVROS 660 555 505) 000 0329 
Flood Tide. 
HOela Ney 445 Sha 400 Be 300 ste Bi .0370 
14th June, fake ae schy ue Rs Seenee .1850 
Ditto repeated, ... 600 orks aoa 050 960 1075 
Average, ... ae sishe Dee 1098 
Now on an inspection of this table it will be easily observed that 
the discrepancies are so great that the results cannot be depended on 
as at all accurate. I have mentioned the difficulties and nicety of 
the process, and the errors manifestly point out the necessity of 
