† malus geniusn.

1538 T. Elyot Dict. at Genius Some dydde put two gouernours of the sowle, a good and an euyll, Bonus genius, & malus genius, whyche neuer departed from vs.

1611 J. Rawlinson Romish Ivdas 18 A man would thinke, that there had beene a transmigration of Iudas his malus genius into these Traitors; so aptly doe they accord both in Name and in Person.

1624 R. Burton Anat. Melancholy (ed. 2) Democritus to Rdr. 5 My Mistris Melancholy, my Ægeria, or my malus Genius.

1655 E. Elys Dia Poemata 1 Hell fiends need walk no more; the World's their own, Converted to an Apparition. 'Tis nothing else but Empty shape; and this It seems to be our Malus Genius.

1681 J. Dryden Spanish Fryar v. 81 Why, my Colonel: I mean my Wife's Colonel that appears there to me like my malus genius, and terrifies me.