Note 55 — Chapter IV
Reading edition
Consequently the withers and the crupper, being the same height, are situated on the same horizontal plane. Bourgelat, on the contrary, points out a difference of level in connection with these regions. According to him the summit of the crupper is situated below the horizontal plane passing the withers, and this distance equals half of the space which separates the great angle of one eye from that of the other (see p. 269, paragraph 20).