Fig. 2

Boxplots of the variation in log-transformed centroid size of the scapula (a), humerus (b), radio-ulna (c), metacarpal bone (d), proximal anterior phalanx (e), middle anterior phalanx (f), distal anterior phalanx (g), coxal bone (h), femur (i), tibia (j), talus (k), calcaneus (l), metatarsal bone (m), proximal posterior phalanx (n), middle posterior phalanx (o), distal posterior phalanx (p). Abbreviations: D, donkeys; Hi, hinnies; M, mules; Ho, horses