152 
In Newton’s Optics the analogy of the musical 
scale, with the proportions of the prismatic colours 
in the solar spectrum, is suggested. It is largely 
insisted on by the Rev. William Jones of Nayland. 
Mr. Herschell, in his lately published treatise on 
sound, notices many curious facts which demon- 
strate the exact analogy of its reflections with those 
of light, especially when under water. 
Guided by analogy while investigating the pro- 
portional relations of distances of the planets from 
the sun and from each other, Professor Bode dis- 
covered a law, or scale of proportion, which I have 
formerly noticed. 
But I have had occasion to remark again and 
again in the course of the preceding survey, that the 
law which constitutes and limits differences, and 
which connects portions of the universe, most widely 
different in general character, by a continuous chain 
of analogies, is a law proceeding from a power not 
bound by necessity, a selecting and controlling and 
harmonizing power, itself uncontrolled, and demon- 
strating its superiority to all control by deviations, 
which to partial and ignorant observers appear to 
be discordant and irreconcilable with previously no- 
ticed harmony, but which, to the views of the more 
enlightened, sagacious, and profound, are manifested 
as subject to the one controlling Power, and by its 
paramount operation of intelligence resolved into 
perfect accordance with universal harmony. 
I cannot illustrate this important truth more aptly 
than in the words of Dr. Crombie, chap. 2. sect. 1. of 
