Figure 6 in The first endocast of the extinct dodo (Raphus cucullatus) and an anatomical comparison amongst close relatives (Aves, Columbiformes)

Figure 6. Semicircular canals in eight species of Columbiformes. A, Raphus cucullatus; B, Caloenas nicobarica; C, Goura cristata; D, Gallicolumba luzonica; E, Didunculus strigirostris; F, Phaps chalcoptera; G, Chalcophaps indica; H, Columba livia. Columns from left to right: lateral, rostral, caudal, dorsal, ventral views. Abbreviations: aa, ampulla of anterior semicircular canal; asc, anterior semicircular canal; c, cochlea; cc, common crus; hsc, horizontal semicircular canal; pa, ampulla of posterior semicircular canal; psc, posterior semicircular canal; vf, vestibular fenestra. Scale bars = 10 mm.