BLOOD. 



367 



water, salts, &c., albumen of serum and globules in the blood of 

 individuals of different ages. The table was drawn up by Le- 

 canu from his own experiments.* 



(5.) The preceding table will give the reader an idea of the 

 various proportions between the serum and crassamentum of blood 

 in different individuals. Let us now see what is the constitution 

 of the serum according to the various analyses that have been 

 made. 



Dr Marcet found the constituents of serum as follows : 



Water, .... 900 



Albumen, . . . . 86-8 



Chlorides of potassium and sodium, 6*60 



Mucous extractive matter, . 4-00 



Carbonate of soda, . . 1 *65 



Sulphate of potash, . . 0-35 



Earthy phosphates, . .0*60 



13-2 



1000 



Berzelius obtained, 

 Water, 

 Albumen, 

 Alkaline chlorides, 

 Lactate of soda, &c. 

 Carbonate of soda, 

 Phosphate of soda, 

 Animal matter, 



905 



80 



14 



999 



* Etudes Chimiques sur le Sang Humain, p. 62. 



