Evolution, [15]

Exaspidean, [473]

Excalphatoria, [199], [200], [218] n., [219];

E. adansoni, [219];

E. lepida, [219];

E. sinensis, [202], [219]

Excrescence on bill shed by Pelecanus erythrorhynchus, [83]

Exoccipital, [11]

Eyelashes, distinct in Opisthocomus, [241];

in Hornbills, [3], [390]