366 Qmrterhj Reports of the Ghemical Committee, 1888, 
" bone and animal charcoal," offered at 21. 10s. a ton delivered. 
The analysis of this was : — 
Moisture . , 
^ Organic matter . 
Phosphate of lime 
Oxide of iron and alumina 
Carbonate of lime 
Alkaline salts, &c. 
Insoluble silicious matter 
' Containing nitrogen 
Equal to ammonia 
' February 22, 1888. 
26-07 
11-76 
traces 
18-69 
7-72 
1-77 
33-99 
100-00 
•51 
•61 
" This material has hardly any manurial worth, and containing, as it does, 
26 per cent, of water and 34 per cent, of insoluble sandy matter, it is not worth 
carting any distance. " J. Augustus Yoelckek." 
On receiving the analysis, Mr. Bourne did not make any 
purchase. 
July, 1888. 
1. Mr. A. Peebles, agent to his Grace the Duke of Northumber- 
land, Albury, Guildford, sent on February 7, 1888, a sample of 
" Hamilton's Organic Manure " for analysis. Five tons of this had 
been purchased on Jan. 27 at 21. per ton, exclusive of can-iage. 
The manure was ordered through an agent of the makers, Messrs. 
Hamilton & Co., 118 High Street, Wandsworth. Dr. Voelcker's 
report was : — 
" February 13, 1888. 
Moisture 35-87 
' Organic matter , 28-95 
Phosphoric acid traces 
Oxide of iron and alumina . . , , , 6-38 
Carbonate of lime, &c. . . . , 16"23 
Insoluble silicious matter 12-57 
100-00 
' Containing nitrogen . . . , . -81 
Equal to ammonia ...... -98 
" A manure of but slight value, and worth nothing like the price asked. 
I could not advise you to use it. " J. Augustus Voelckee." 
On Mr. Peebles complaining, the manufacturers wrote saying 
that there was evidently a mistake, and they would send a repre- 
sentative to inspect the manure and arrange matters. Subse- 
quently Mr. Peebles informed Dr. Voelcker that one of the 
