B473 <=> B475 (BTG XXX Art, p. 474)

“But what is most interesting in respect of this progressive deterioration of that most important part of their common presence is the sorry farce that results, namely, that those contemporary three-brained beings there who can still manage to distinguish the mentioned miserable fraction of the total number of tonalities – namely, merely forty-nine – look down with superior self-conceit and with an admixture of the impulse of pride upon those other beings who have lost the capacity to distinguish even this miserable number, as upon beings with abnormal deficiency in that said organ of theirs; and they call them diseased, afflicted by what is called ‘Daltonism.’

“The last seven blendings of the ‘gravity-center-vibrations-of-the-white-ray’ which, just as now among the contemporary beings there, they then had in Babylon have the following names:

(1) Red

(2) Orange

(3) Yellow

(4) Green

(5) Blue

(6) Indigo

(7) Violet