If neglected they became spiteful, and were then known as Lemures.
"The Fairy-Faith in Celtic Countries"
W. Y. Evans Wentz
2. 208:- Somnia, terrores magicos, miracula, sagas, Nocturnos Lemures portentaque Thessala rides?
"The Roman Poets of the Republic"
W. Y. Sellar
So still lay the figure, and so dim was its outline, that any other than Arbaces might have felt a superstitious fear, lest he beheld one of those grim Lemures, who, above all other spots, haunted the threshold of the homes they formerly possessed.
"The Last Days of Pompeii"
Edward George Bulwer-Lytton