The partial transparency of the crape ring was beautifully illustrated in an observation by Professor Barnard of the eclipse of iapetus on November 1st, 1889. The satellite was faintly visible in the shadow of the crape ring, while wholly invisible in the shadow of the better known rings.
"The Story of the Heavens"
Robert Stawell Ball
Moreover, he came personally twice a year to transport the cargo of horn, and let it be known throughout the frontiers that the sign of the Hawk was on that portion of iapetus, and that all who trespassed would have to answer to him.
"Hawk Carse"
Anthony Gilmore
From these Carse had long anticipated a raid on iapetus.
"Hawk Carse"
Anthony Gilmore