90 THOUGHTS ON NATURAL PHILOSOPHY. 



In the ordinary way, skin may be said to be an absolute non- 

 conductor. 



" Now, on a humid day the water in the atmosphere water 

 is one of the best conductors of electricity known destroys 

 this insulation of the body, and allows the electricity it con- 

 tains to escape. 



" The skin becomes damp, and the minute globules of water 

 in the air form millions of conducting chains, which lead the 

 electrical forces of the body in other words, its life itself 

 to the earth. 



"As a result a new burden is imposed upon the vital pro- 

 cesses of the man (or animal). They must repair the waste 

 of electricity, and the consequence is that a 'slack' feeling is 

 produced which is really the symptom of the wastage of 

 vitality. 



" This is extremely marked on a hot, moist day, for the 

 excess of slightly saline perspiration is exceedingly favourable 

 to a very pronounced leakage. 



" On a dry day all that the system has to contend with is 

 the natural loss of tissue caused by ordinary exertion ; there 

 is far less wastage of vitality and a consequent feeling of 

 superabundant energy. Hence the exhilaration of mind and 

 body. 



" The troops in South Africa, for instance, describe the dry 

 air of the high veldt as being 'like champagne' in its effect 

 upon them. 



" It may safely be said that the effect of a damp, gloomy 

 day is to deplete the system of life." 



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