BLOOD. 



471 



has been estimated at 4.7 per cent, of the l>o(ty weight ; in fat animals, 

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

 T ' s - 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, 



19.12 



62.22 



Solids, 



. .12.75 



5.91 



Albumen, 



3.42 



4.99 



Haemoglobin, 



8.94 





Other organic matters, 



0.24 



0.38 



Inorganic matters, 



0.15 



0.54 



Potassium, . 



0.0238 



0.0173 



Sodium, , 



. 0.0667 



0.2964 



Lime, 





0.0070 



Magnesium, 



0.0005 



0.0031 



Iron oxide, 





0.0007 



Chlorine, 



'. . . 6.0521 



0.2532 



Phosphoric acid, . 



. 0.0224 



0.0181 





Ox. 



Calf. 



Water, 



. 799.59 



826.71 



Fibrin, 



3.62 



5.76 



Fat, 



2.04 



1.61 



Corpuscles, 



121.86 



102.50 



Albumen, 



66.90 



56.41 



Alkaline phosphates, 



. 0.468 



0.957 



" sulphates, 



1.181 



0.269 



" carbonates, 



. 1.071 



1.263 



Sodium chloride, . 



4.321 



4.864 



Iron oxide, . 



. 0.731 



0.631 



Calcium, 



0.098 



0.130 



Phosphoric acid, 



0.123 



0.109 



Sulphuric acid, 



0.018 



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. 



