4 
The following are the results obtained for the weight of iron, calculated as 
per cent. of the dry muscle. 
Weight of dry Weight of % of iron Weight of % of iron Total iron 
muscle (gms. ) oxide (gms.)| in oxide Fe PO, (gms.) in Fe P04 (per cent.) 
18, 9h DOSS 0.0012 0. 0074 0.0002 0.0013 0. 0087 
IT. 10.0038 0.0012 0.0040 0. 0004 0.0014 0.0054 
2. I. 10.9674 0.0016 0.0052 0.0002 0. 0007 0.0059 
II. 16.5412 0.0026 0.0057 0.0008 0.0017 0.0074 
Std. 1. 980 / 0.0006 0.0027 0.0010 0.0046 0.0073 
II, 12.9772 0.0014 0.0037 0.0016 0.0045 0.0082 
4. I. 8.5964 0.0012 0.0049 0. 0002 0.0008 0.0057 
II. 14.1552 0.0018 0.0044 0. 0006 0.0014 0.0058 
The following table shows the weights obtained for the calcium and mag- 
nesium. 
Weigar ot dry bigs of ie % of Weight of % of % of 
muscle See oe oe geo calcium Maenes Meg;(P0s)2 | Magnesium. 
oxide oxide pyrophosphates 
oe Rea a7 Bhs) 0.0208 0.3665 0.2655 0.0025 0.0440 0.0040 
II. 10.0038 0.0360 0.3598 0. 2554 0.0033 0.0329 0.0030 
2) le 10: 9674 0. 0433 0.3948 0. 2822 0.0149 0.0446 0.0040 
II. 16.5412 0. 0629 0.3802 OL AAT 0.0339 0.0779 0.0072 
The analysis of the ash gave the following results for the weights of sodium 
and potassium. 
Wt. of J of 
Wt. of Wt. of | Wt. of | Wt. of | Naci | Wt. of | NaCl} Wt. of | %of | %of 
muscle | platinum K. KCl & KCl NaCl & Na Na K 
KCl 
1. 4.0430 | 0.0616 | 0.0248 | 0.0472 | 0.2730 | 0.2258 | 6.75 | 0.0888 |2 
2. 3.1148 | 0.0576 | 0.0232 | 0.0442 | 0.2064 | 0.1622 | 6.63 | 0.0638 |2 
3. 3.2028 | 0.0563 | 0.0226 | 0.0484 | 0.2272 | 0.1788 | 7.09 | 0.0703 |2.1949| 0.7056 
4. 4.3020 | 0.0551 | 0.0222 | 0.0476 | 0.2848 | 0.2372 | 6.62 | 0.09383 |2 
