midnight
The resultant change in the apparent hue of the eyes would be helped by something else , which I shall come to later . The use of the tweezers on the eyebrows was doubly important , for , as Bertillon says , ` no part of the face contributes a more important share to the general expression of the physiognomy , seen from in front , than the eyebrow . ' The complexion would be easy to deal with . His way of life -- midnight hours , abstemiousness , languid habits -- had produced bloodless cheeks . A summary dosing with tonic drugs , particularly with iron , and a reformation of diet , would soon bestow a healthy tinge , which exercise , air , proper food , and rational living would not only preserve but intensify . `` But merely changing the face , and the apparent shape of the head , would not do . As long as his bodily form , walk , attitude , carriage of the head , remained the same , so would his general appearance at a distance or when seen from behind .