364 Quarterly Reports of the Chemical Committee, 1884. 
11. Mr. A. W. Leedham, of the Ox Leasows, near Stone, 
Staffordshire, purchased 2 tons of quarter-inch steamed bones, at 
6/. 10s. per ton. 
A sample sent for analysis gave :— 
Moisture 10-20 
*Organic matter 7 • 30 
Phosphate of lime 31-30 
Carbonate of lime, sulphate of lime, &c 44-65 
Insoluble siliceous matter 6-55 
100-00 
* Containing nitrogen '60 
t Equal to ammonia '73 
And Dr. Voelcker subsequently reported: "In my judgment 
the sample of bone-dust which you sent me for analysis a short 
time ago is not. worth more than 3/. 15s. per ton." 
In the preceding five cases the Committee have no guaranteed 
invoices of the manures before them, and the purchasers have 
either never required a guarantee, or have omitted to send such to 
the Consulting Chemist. 
December 1884. 
1. On June 5th, 1884, Mr. J. Cole, of Dodford, Malford, 
Chippenham, sent a sample of linseed-cake for analysis, stating 
that two cows which had been feeding on it had died. 
The following report was sent in reply : — 
" June lltb, 1884. 
" Dear Sir, — I beg to enclose an analysis of the sample you sent me a short 
time ago. 
" The cake is very hard pressed, poor in oil, and it moreover contains castor- 
oil bean, which is very poisonous. The cake is quite unfit for feeding pur- 
poses. — Yours faithfully, Augustus Voelckep." 
Analysis. 
Moisture 9 '94 
Oil 8-01 
*Albuminous compounds 36-81 
Mucilage, &c 30-85 
Woody fibre 8-90 
Mineral matter (asli) 5-49 
100-00 
♦ Containing nitrogen 5-89 
Augustus Voklcker. 
In answer to enquiries it was ascertained that 42 cwt. of the 
cake had been bought in December, 1883, at 9/. bs. per ton by 
Mr. Cole, for his sister, whose farm he managed, the cake 
having been purchased in Chippenham Market as good oil-cake 
