Inquiries into Human Faculty and Its Development

by Francis Galton

COLOUR REPRESENTATION.

Highest.--Perfectly distinct, bright, and natural.

First Suboctile.--White cloth, blue china, argand coffee-pot, buff stand with sienna drawing, toast--all clear.

First Octile.--All details seen perfectly.

First Quartile.--Colours distinct and natural till I begin to puzzle over them.

Middlemost.--Fairly distinct, though not certain that they are accurately recalled.

Last Quartile.--Natural, but very indistinct.

Last Octile.--Faint; can only recall colours by a special effort for each.

Last Suboctile.--Power is nil.

Lowest.--Power is nil.