16 AUGUST 1919, Page 16

WEEKDAYS.

[To THE EDITOR OF THE " SPECTATOR."] Sin,—I am interested in your correspondent's letter with regard to the colours of numerals. Ever since I can remember the numerals have been associated in my mind with different' colours. One is white, two blue, three is yellow, four and five tawny, six yellow but a deeper shade than three, seven is sea blue, eight yellow, nine red, and ten blue. The higher numbers take the colours of their units, with the exception of a. hundred, which is black. The letters of the alphabet also have each their own colour, almost more distinctively than the numerals. With regard to shapes, I see particular zigzags for the week, for the months, for the numerals, while the " Lord's Prayer " has always for me ascended front the left- hand bottom corner of a square to the right-hand top corner. It would be interesting to know if there is any scientific explanation for the colours of letters and numbers. I see colours at times for musical notes, but that could perhaps be accounted for by the laws of vibration.—I am, Sir, &e.,