1903.] HORX-GEOWTH IiST THE ST. KILDA SHEEP. 



Text-fi^. 9. 



117 



Variations in the lionis of St. Kilcla Sheep. 



A. Kam Lamb, aged 15 months, showing retention of median or upper horns only. 



The sire and dam of this had each four horns. 



B. A well-grown St. Kilda head. 



C. Earn, showing retention of median horns and suppression of right lateral horn. 



D. Head of Ewe, showing two small horns on right side ; on the left side is a knob 



apparently containing three or four points of bone covered by a single horu- 

 slieath. ■ 1 1. 1 



E. Indian Ram (Brit. Mus.) having five horns. As many as seven or eight horns 



have been observed. 



