The active forces of living organisms 15 



of the ether as to be, practically speaking, inseparable 

 from it. 



Although what we know of the physiological action vision an 



ether 



of light does not appear to furnish us with a clue to sense, 

 its origin, yet there are certain points in connection 

 with it which are of interest. If, for instance, we 

 look upon the ether as the medium by which light 

 waves strike the eye, then we must perforce recognise 

 it as playing the part of an initiating agency in one 

 of the most important of all physiological processes. 

 Further, if the ethereal movements coming from 

 without start physiological action, it seems impossible 

 to withstand the conclusion that the ether within the 

 body may also in a very marked degree contribute 

 to, if not originate, processes of a similar nature. 



It has often been remarked that certain colours The effect 



of colours 



give rise to different emotional states. The colour on the 



emotions. 



red IS often spoken of as a warm tone, and, when 

 vivid, causes in us what one may term an emotional 

 glow. In the turkey-cock and bull this effect is much 

 more pronounced, and assumes the character of 

 furious rage. Yellow brightens the feelings, dazzling 

 on the whole rather than exciting. Green awakens 

 emotions which approach those caused by yellow, 'and 

 yet are more subdued; it cheers and soothes at the 

 same time, the effect varying as it inclines towards 

 yellow or blue. The latter colour has a distinctly 

 tranquillizing effect, and the results obtained by those 

 who have had practical experience in the treatment 

 of disease by light baths tends to corroborate this 



