92 CASTOROLOGIA. 



ANALYSIS. 



Russian Canadian 



Castoreum. Castoreum. 



Volatile oil i.oo 2.00 



Castoreum resin 13-85 58.60 



Cholesterin ■ 1.20 



Castorin 0.33 2 50 



Albumin 0.05 1.60 



Glutinous substance 2.30 2.00 



Extract sol. in ■water and alcohol 0.20 2.40 



Carbonate of ammonium 0.82 0.80 



Phosphate of calcium 1.44 1.40 



Carbonate of calcium 33-6o 2.60 



Sulphates of potassium, calcium, magnes : . . 0.20 



Gelatinous subst. extracted by potash .... 2.30 8.40 



Gelatinous subst. extracted by potash \ ^ 



soluble in alcohol J ' " 



Membranes, skin, &c 20.03 3-3o 



Water and loss 22.83 11.70 



98.95 



Other special analytical tests have found traces of many other 

 substances, but not, however, in any appreciable quantity. 



In the treatise above referred to, it is stated that the animal was 

 hunted for " its skin, its fat, its blood, its hair, its teeth, and especi- 

 ally for its pockets or tumours which are placed in the groins, and 

 experience has shown that there is no part without its uses in medi- 

 cine." Then follow in order the various remedies attributed to each 

 part, and though the whole volume is of intense interest, only a 

 summary of its contents can be given here. 



" The skin of the beaver is of great utility in colic, in madness, 

 and in spasms ; it cures bed sores ; and consumption in children. 



" The fat of the beaver is of no less utility in medicine, and it is 

 efficacious in all maladies which affect the nerves. It is useful 

 in epilepsy, and prevents apoplexy and letharg}' ; stops spasms and 



