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XIV. — Quarterly Reports of the Chemical Committee. 
March, 1886. 
1. Mr. Ernest Bomford, of Spring Hill, Fladbury, Pershore, 
sent on June 5tb, 1885, a sample of hop-guano, two tons of 
which he had purchased from the manufacturers at 4/. 10s. per 
ton. After analysis of it Dr. Voelcker reported : — 
Moisture 23 '95 
♦Organic matter 19 • 86 
Phosphate of lime 2-17 
Oxide of iron and alumina 6 • 44 
Sulphate and carbonate of lime, alkalies, &c. .. 28 "07 
Insoluble siliceous matter .. 19 "SI 
100-00 
* Containing nitrogen -61 
Equal to ammonia "74 
" This is worth nearer 9s. than 90s. a ton. J. Augustus Voelcker." 
Mr. Bomford complaining of the result, the manufacturers 
sent the following copies of analyses : — 
SiBSON. 
Moisture 11 "64 
•Organic matter 40 '37 
Phosphate of lime 4*62 
Sulphate of lime 4'3I 
Nitrate of soda and alkaline salts 27 "36 
Insoluble matter 11 • 70 
100-00 
* Containing nitrogen 8-10 
Equal to ammonia 9-91 
Dyer. 
Moisture 19-12 
Organic matter 30-18 
Phosphate of lime 9-38 
Nitrates, carbonate of lime, &c., &c 35-17 
Siliceous matter 6-15 
100-00 
Organic and ammoniacal nitrogen . . . . 2-17 
Nitrogen in the form of nitrates 4-29 
Total nitrogen 6-46 
Equal to ammonia 7-84 
and wrote ; — 
"E. Bomford, Esq. June 20th, 1885. 
" Dear Sir, — We are very disappointed with result of the analysis of hop- 
manure sent this morning ; it is the more disappointing because we know the 
value was put into the manure. 
