ANIMAL JUICES. 5 



water; but when we examine the specific gravity of such a solu- 

 tion, we find that it is higher, that is to say = 1*0726. In 

 accordance with this density, ten parts of chloride of sodium and 

 ninety parts of water, occupy only the space of 93-231 parts of 

 water; hence a condensation of I' 424 parts must have taken 

 place; for every 100 volumes there would, therefore, be a con- 

 densation of 1*505 volumes between one part of chloride of 

 sodium and nine parts of water. With these preliminary remarks 

 we proceed to give Schmidt's table. 



We forbear offering any remarks in this place on the interesting 

 points of view which are opened to us by Schmidt's admirable 

 investigation, as we must return to the full consideration of this 

 subject when we treat of the mechanical metamorphosis of 

 tissue. 



Schmidt employs specific gravities as a check on analyses, in 

 the following manner. The analysis of a specimen of serum, 

 whose specific gravity was found to be 1*0292, gave 82*59 p.m. of 

 organic constituents, 0*283 p. m. of sulphate of potash, 0*362 of 

 chloride of potassium, 5*591 of chloride of sodium, 0*273 of 

 phosphate of soda, 1*545 of soda, 0*300 of phosphate of lime, 

 and 0-220 of phosphate of magnesia. The following is the 

 manner in which the check is applied : 



