12 
HE SEARCHES ON THE COMPOSITION 
In 1000 parts of the fresh materials : 
Name. 
Water. 
Organic 
matter. 
Ash. 
Nitro¬ 
gen. 
Pbospbo 
ric acid. 
Lime. 
Magne¬ 
sia. 
Inada . 
642.5 
212.5 
146.0 
27.6 
30.9 
58.9 
1.0 
Aji. 
582.8 
289.2 
127.9 
29.0 
24.8 
45.9 
1.3 
Hirame. 
686.0 
195.4 
118.6 
20.5 
29.3 
51.3 
0.8 
Sawara. 
643.9 
277.5 
78.6 
22.2 
17.2 
27.2 
0.6 
Maguro. 
706.0 
226.3 
67.7 
23.3 
21.5 
24.7 
0.2 
Karei. 
583.5 
317.8 
99.7 
25.7 
33.5 
34.3 
0.8 
K oelii . 
578.4 
309.1 
111.9 
28.3 
36.9 
38.6 
1.3 
K uroclai. 
474.0 
314.3 
211.7 
35.0 
61.5 
82.1 
1.8 
Isaki . 
382.1 
437.6 
1S1.3 
36.5 
53.1 
59.1 
1.5 
Average 
586.4 
286.6 
127.0 
27.6 
34.3 
46.9 
1.0 
When these substances were made air dry after expelling 
the moisture in a water oven, they contained only the 
following quantities of water : Inada 5.50%, Aji 8.41% 
Hirame 7.11%, Sawara 12.90%, Maguro 6.73%, Karei 
6.72%, Kochi 9.21%, Ivurodai 7.11 %, Isaki 7.87%, being 
an average of 7.85%- In powdering the air dry sub¬ 
stances on a hand mill we did not experience:any particular 
difficulty. Hence the manufacture of a dry handy powder 
from them would certainly be an easy matter, and profit¬ 
able too for both the producer and consumer, since on the 
one side the raw material is very cheap* and, on the other, 
farmers are not in the habit of using raw fish refuse in a ra¬ 
tional way,they subject them with some water or other fluids 
to putrefaction in tanks and apply as manure only that 
portion which dissolves. The solid matters left after pu¬ 
trefaction, which consist chiefly of the bones are thrown 
away, probably because the farmers are accustomed only 
* 1 ka — about 12 kuwamme cost at present only 10 Sen 
