An illustration from Jock of the Bushveld by Sir Percy Fitzpatrick (1907).  The caption reads: "The haunting mystery of eyes and nothing more."

An illustration from a 1906 issue of Puck magazine.  The caption reads: "Just Reversed: The Moon in the Man."

I-eye:  an illustration from Told After Supper by Jerome K. Jerome (1891).

An illustration from an 1898 issue of The Idler magazine.

An illustration from a 1917 issue of Scribner's magazine.

An illustration from a 1914 issue of Cosmopolitan magazine.  The caption reads: "She leaned forward as if hypnotized and stared at her reflected image.  'I will look,' she whispered hoarsely, 'until those eyes stop glaring like that!'"

An illustration from a 1904 issue of Life magazine.  The caption reads: "He centered his eye upon us."

Staring into the depths: an illustration from a 1900 issue of The Strand magazine.  The caption reads: "There were two strange eyes glowing at us."

An illustration from a 1910 issue of Hampton's magazine.  The caption reads: "Luminous waves rolled toward me, covered with the faces of the dead.  I saw blue eyes all around the room."

An illustration from an 1897 issue of The Ludgate Illustrated magazine.

An illustration from an 1894 issue of The Strand magazine.

An illustration from a 1906 issue of Cosmopolitan magazine.  The caption reads: "The eyes of terror."

From Prof. Oddfellow's sketchbook:

From Prof. Oddfellow's sketchbook: