Fourth  Report  on  the  Analysis 
Composition  in  100  parts  of  the  ash  of  Bailey : — 
£<06 
No.  1. 
Chevalier 
on  loam. 
No.  2. 
Chevalier  . 
on  chalk. 
No.  3. 
Long-eared 
Nottingham 
on  chalk. 
Mean  of  the 
three 
specimens. 
Silica 
1S-41 
17-27 
21-12 
18 
93 
Phosphoric  Acid  . . 
3S-78 
30-76 
29  92 
33 
15 
Sulphuric  Acid 
trace. 
•20 
trace. 
09 
Carbonic  Acid  . 
none. 
none. 
•48 
16 
Lime 
2-97 
2-92 
3-39 
3 
09 
Magnesia  .... 
6-90 
7-63 
10-99 
8 
51 
Peroxide  of  iron 
1-46 
trace. 
• 15 
54 
Potash 
28-GO 
37-22 
32-02 
32 
62 
Soda 
none. 
none. 
1-21 
40 
Chloride  of  Potassium  . 
1-29 
1-93 
. . 
1 
07 
Chloride  of  Sodium 
1-39 
2-01 
■72 
1 
•44 
Total  .... 
ICO -00 
100-00 
100  00 
100-00 
The  total  sulphur  of  1000  grains  of  the  undried  barley  was — 
No.  1.  No.  2.  No.  3. 
•74  1-83  1-41 
Composition  in  100  parts  of  the  ash  of  Barley  Straw  (including  the  chaff) : 
No.  1 . 
Chevalier 
on  loam. 
No.  2. 
Chevalier 
on  chalk. 
No.  3. 
Long-eared 
Nottingham 
on  cluilk. 
I 
Mean  of  the  | 
three 
specimens. 
Silica 
Phosphoric  Acid 
Sulphuric  Acid 
Carbonic  Acid  . 
Lime 
Magnesia  .... 
Peroxide  of  Iron 
Potash  ..... 
Soda 
Chloride  of  Potassium  . 
Chloride  of  Sodium 
62-79 
4-22 
2-22 
1-25 
8-50 
1-70 
•20 
14-37 
■23 
none. 
4-37 
48-18 
3-41 
3-18 
3-55 
11  90 
2- 93 
•31 
20-18 
3- 29 
none. 
3-07 
52-40 
2- 13 
3- 04 
3-89 
12-59 
2-99 
•32 
10-18 
none. 
•90 
5-40 
54-45 
3- 25 
2-80 
2-90 
11-00 
2-54 
•28 
16-83 
1-19 
•30 
4- 26 
Total  .... 
100-00 
100-00 
100-00 
100-00 
The  total  sulphur  on  1000  grains  of  the  undried  barley 
straw — 
No.  1.  No.  2.  No.  3. 
1-02  -54  1-15 
d he  great  difference  which  is  observable  in  the  per  centage  of 
ash  of  No.  1 also  occurs  in  its  composition:  it  contains  nearly 
one-third  more  silica  than  No.  2.  Not  to  dwell,  however,  on  a 
question  which  these  analyses  are  not  expected  to  decide,  we  pass 
on  to  their  legitimate  application,  namely,  that  of  drawing  out  an 
average  for  the  mineral  composition  of  barley  and  barley-straw. 
