306 Quarferlt/ Reports of the Chemical Committee, 1887. 
List of Analyses — continued. 
Coprolites 3 
Bones, bone-meal, &c 103 
Ilefuse-manvu-es 66 
INIanure-cakes 36 
Fish-manures ........ 27 
Dried blood 4 
Wool-dust and shoddy ■ . 27 
Nitrate of soda 42 
Kaiuit and potash salts 30 
Sulphate of ammonia ....... 33 
Soot 6 
Lime, limestone, gypsum, marls, minerals, &e. . , 7 
Soils 26 
Watei-s 89 
Examinations for poison 8 
Ensilage 10 
Miscellaneous 4 
1559 
AVoburn experiments, analyses for . . . , 56 
Total .... IGlo 
XVIII. — Qaarterlij Ilcjiorts of the Cheiibical Coniiuittee. 
Aphil, 1887. 
1. The Committee insert the following case and the corre- 
spondence to show how very flexible is the makers' definition of 
" i^ure " cake. 
The Committee cannot accept this definition of " pure." 
On October 2, Mr. W. Wright, of Wollatou, Nottingham, 
sent for analysis a sample of linseed-cake. Dr. Voelcker's ana- 
lysis and report were : — 
" October 9, 1886. 
Moisture 12-06 
Oil 10-40 
^ Albuminous compounds (Hesh-formiui,' matters) . 24-19 
Mucilage, sugar, and digestible fibre . . . 36-00 
Woody fibre (cellulose) 8-73 
- Mineral matter (ash) 8-62 
10000 
' Containing nitrogen .'5-87 
'-' Including sand ;!-78 
" This is by no means a pure cake — was it sold to j-ou as such ? 
"J. Augustus Voelcker.'' 
Two tons of this cake had been purchased, at 71. 17s. 6d. per 
ton, from Messrs. H. & F. Warhurst, Queen's Walk Wharf, 
