BLOOD. 



471 



has been estimated at 4.7 per cent, of the body weight; in fat animals, 

 at 3.9 per cent. In the horse the amount of blood has been estimated at 

 fg of the body weight. 



The following tables represent the general composition of the blood 

 in different domestic animals : 



In One Hundred Parts Venous Blood (Hoppe- Seyler and Fudakowski). 



Horse. Dog. 



Corpuscles, . ; 32.62 38.34 



Plasma, ".,.-. . ..... 67.38 61.66 



One Hundred Parts Plasma. 



Solids, 9.16 7.87 



Water,. ..'..'. . . . 90.84 92.13 



Fibrin, 1.01 0.18 



Albumen, . .' 7.76 6.10 



Fats, 0.12 0.21 



Extractives, * . . 0.40 0.39 



Soluble salts, . . . . . . 0.64 0.82 



Insoluble salts, ..... . .0.17 0.17 



One Hundred Parts Corpuscles. 



Water, 56.50 . . . 



Solids, . 43.50 . . . 



In One Hundred Parts Defibrinated Venous Blood of Ox (Bunge). 



Corpuscles. Serum. 



31.87 68.13 



Water, . . . 



Solids, . 



Albumen, 



Haemoglobin, 



Other organic matters, . 



Inorganic matters, 



Potassium, 



Sodium, 



Lime, 



Magnesium, 



Iron oxide, 



Chlorine, 



Phosphoric acid, 



Water, . 



Fibrin, . 



Fat, 



Corpuscles, . 



Albumen, 



Alkaline phosphates, 

 " sulphates, 

 " carbonates, 



Sodium chloride, . 



Iron oxide, . 



Calcium, 



Phosphoric acid, . 



Sulphuric acid, 



19.12 

 12.75 



3.42 



8.94 



0.24 



0.15 



0.0238 



0.0667 



6.0005 



6.0521 

 0.0224 



Ox. 



799.59 

 3.62 

 2.04 



121.86 

 66.90 

 0.468 

 1.181 

 1.071 

 4.321 

 0.731 

 0.098 

 0.123 

 0.018 



62.22 

 5.91 

 4.99 



0.38 



0.54 



0.0173 



0.2964 



0.0070 



0.0031 



0.0007 



0.2532 



0.0181 



Calf. 



826.71 

 5.76 

 1.61 



102.50 

 56.41 

 0.957 

 0.269 

 1.263 

 4.864 

 0.631 

 0.130 

 0.109 

 0.018 



1. THE RED BLOOD-CORPUSCLES. Human red blood-corpuscles re- 

 semble biconcave lenses : their diameter varies between 0.0064 and 

 0.0086 millimeters. 



