Which preposition to use with cornua

in Occurrences 2%

Ibi omnes foeminæ quæ sunt desponsatæ portant in signum quod habent maritos vnum magnum barile de cornu in capita.

of Occurrences 1%

A, epiglottis; B, thyroid cartilage; C, arytenoid cartilage; D, ligament connecting lower cornu of the thyroid with the back of the cricoid cartilage; E, cricoid cartilage; F, upper ring of the trachea.

Which preposition to use with  cornua