362 Quarterly Reports of the Chemical Committee^ 1884. 
" No. 2 is a better manure, but scarcely worth 6?. a ton, and 5?. 10s. would 
be a fair price for No. 2. 
" Will j-ou kindly say under what names the manures were sold, and be 
sure not to buy any more of No. 1, and No. 2 only if the enclosed analysis of 
the manure is guaranteed. 
" H. Pye, Esq." 
6. On May 1st, Mr. Henry Pye sent also a sample of so- 
called nitrate of soda, offered at lOZ. 10s. a ton, the vendor 
being, as before, Mr. Reeves, of Camberwell. 
This gave the following analysis : — 
Water 7' 14 
Chloride of sodium 67 "80 
Sulphates of magnesia, soda, &c 12 "80 
Nitrates of soda 12*26 
100-00 
Good commercial nitrate of soda should contain not less than 
95 per cent, of pure nitrate, and at that time was selling at about 
the above price. 
7. Mr. VV. Baker, of Moor Barns, Atherstone, purchased 
some manure sold to him as " bone-dust," at 6/. 15s. per ton 
delivered. 
It gave on analysis : — 
Moisture 23-41 
*Organic matter 23 "69 
Oxide of iron and alumina 4-64 
I'hosphate of lime 1-66 
Sulphate of lime, &c 35-15 
Insoluble siliceous matter 11*45 
100-00 
* Containing nitrogen 1-22 
Equal to ammonia 1-48 » 
And Dr. Voelcker wrote : — 
" W. Baker, Esq. April 9th, 1884. 
"Dear Sir,— The manure sent by you is not bone-dust at all, but a refuse 
manure of but little value. You say you purchased it at 6/. 15s. per ton 
delivered. I would not give more than 25s. per ton for such a manure. — 
Yours faithfully, Augustus Voelcker." 
Further enquiries were made, but no other information was 
given. 
8. Mr. T. F. Jackson, of Tattenhall, Chester, sent, on April 7th, 
two samples of boiled bones. 
No. 2 gave on analysis : 
