horns of Wallachian sheep, i. 96;
exotic sheep in the Zoological Gardens, i. 96-97, ii. [305];
occurrence of horns in hornless breeds of sheep, ii. [30];
on the colour of sheep, ii. [30];
on interbreeding sheep, ii. [120];
on Merino rams in Germany, ii. [196];
effect of unconscious selection on sheep, ii. [213];
reversion of Leicester sheep on the Lammermuir Hills, ii. [224];
on many-horned sheep, ii. [326];
reduction of bone in sheep, ii. [242];