Quarterly Meports of the Chemical Committee, 1885. 347 
" May 6th, 1885. 
Water 22-07 
'Organic matter 21 • 74 
Monobasic phosphate of lime 4 "76 
Equal to tribasic phosphate of lime, rendercil) (-j-^q) 
soluble by acid )^ ^ 
Insoluble phosphates 3 '24 
Sulphate of lime, alkaline salts, &c 42 "25 
Insoluble siliceous matter 5*94 
100-00 
• Containing nitrogen 1-74 
Equal to ammonia 2-11 
" This is sold at double its worth. I would not give more than 31. 5s. a ton 
for such a manure. J. Augustus Voelcker." 
In answer to enquiries, Mr. Harvey wrote : — 
" Honeybrook Farm, Kidderminster, May 20th, 1885. 
" Dr. J. Augustus Voelcker. 
" Deae Sir, — Am obliged for your enquiries concerning the manure you 
analysed, but have arranged the matter with the seller, so that there will be 
no further trouble. — Yours very truly, J. P. Harvey." 
7. Mr. R.Graham, of Melmerby-by-Penrith, sent, on May 13th, 
a sample of what had been sold to him as dissolved bones at 
61. 10s. a ton. Dr. Voelcker reported on it as follows : — 
" May 21st, 1885. 
Moisture 16-72 
*Organic matter and salts of ammonia, &c 14-55 
Monobasic phosphate of lime 13-14 
Equal to tribasic phosphate of lime rendered) ^go- f;e\ 
soluble by acid 
Insoluble phosphates 3-89 
Sulphate of lime, &c 45-31 
Insoluble siliceous matter 6-39 
100-00 
* Containing nitrogen 1-49 
Equal to ammonia 1-80 
"This is not dissolved bones at all, but a mineral superphosphate mixed 
with sulphate of ammonia, and is not worth 51. a ton, independent of 
■carriage. J. Augustus Voelcker." 
Subsequently Mr. Graham wrote : — 
" Melmerby, near Penrith, June 4th, 1885. 
" Dear Sir, — In reply to yours of the 27th, I am sorry I cannot get such 
information respecting the dissolved bones as you ask for. I may say, how- 
ever, it was sold as pure bone dissolved, had to contain 2 i or 2-4 ammonia, 
