Selenious acid, 6 parts; cupric sulphate, 10 parts; water 1,000 parts; nitric acid, 5 parts.
"Practical Mechanics for Boys" by J. S. Zerbe
He pointed to the body of Seleni, whom he had shot dead just as he fired his second arrow at me.
"Tales of South Africa" by H.A. Bryden
But Selenis promised to send an Undine.
"The Memoirs of Jacques Casanova de Seingalt, Vol. V (of VI), "In London and Moscow" The First Complete and Unabridged English Translation, Illustrated with Old Engravings" by Jacques Casanova de Seingalt