Qi(arterli/ Tteporls of the Chemical Committee, 1887. 321 
and is, I fear, quite a useless manure. It was applied as a top-dressing to 
wheat early in February, and a piece was left not dressed, but 1 fail to see 
any difference where applied and where not. — Yours faithfully, 
" Dr. J. Augustus Voelcker." " Wm. Hughes. " 
6. Mr. W. T. Scarth, of Raby Castle, Darlington, sent on 
April 4 a sample of linseed-cake, on which the following report 
was given : — 
"April 7, 1887. 
Moisture ........ 14-05 
Oil • . . 11-07 
* Albuminous compounds (flesh-forming matters) . 20-31 
Mucilage, sugar, and digestible fibre . . . 26 69 
Woody fibre (cellulose) 18-93 
* Mineral matter (ash) ...... 8-95 
100-00 
' Containing nitrogen ..... 3-21 
* Including sand ...... 3-95 
" This cake is an impure and nasty tasting one, containing, besides 4 per 
cent, of sand, cotton-husk, niger-seed, and other impurities. It is exces- 
sively high in indigestible fibre, and very low in nitrogenous matters. 
" J. AUGTTSTUS VOELCEER." 
' A ton of this was purchased from an agent of the manufac- 
turers, Messrs. Eyre & Co., of 6 High Street, Hull, and Scul- 
coates, Hull, and was invoiced as " -I- Pure," the price being 
7L 5s. per ton. A small quantity of the cake only had been 
used before its impurity was discovered, and the remainder of 
the delivery !Mr. Scarth returned. 
7. Mr. J. E. Hill, of Gressenhall, Dereham, forwarded on 
May 10, 1887, a sample of manure bought as dissolved bones 
at 6^. a ton delivered. The analysis and report on this were — 
^Moisture . . . 
^ Organic matter . 
Phosphate of lime 
Sulphate of lime, &c. . 
Insoluble silicious matter 
" May 24, 1887. 
. 11-08 
. 25-26 
. 23 24 
. 33-18 
. 7-24 
100-00 
' Containing nitrogen . . . . .1-74 
Equal to ammonia ..... 2-11 
" This is not dissolved bones at all, and the price, QL, is very excessive ; 
4/. a ton would more than represent its value to you delivered. 
"J. Augustus Voelckee." 
VOJi. XXIV. — S. S, Y 
