Rams with four horns were not uncommon

TCD MS 10516 folio 59 recto

TCD MS 10516 folio 59 recto

[12th October 1916] Rams with four horns were not uncommon in these flocks. Sometimes the two horns on each side sprang from a common stem, sometimes each had its distinct origin from the skull. Sometimes the horns would be symmetrical in their direction, the corresponding ones on each side agreeing in their curves; sometimes one pair would display symmetry, the other pair no trace of adaptation; sometimes the direction of all four would vary, the curve of any one would bear no relationship to the curve of any other. No part of the organization is so liable to vary as the secondary sexual characters. The beard, the breast, the voice of both sexes of human beings is convincing testimony of this. But when a secondary sexual character, such as the horns of the sheep, has so varied as to be monstrous, and [when] we examine the