connexion with the air-bladder, [389], [390]

Audouin, [37]

Aulacocephalus, [659]

Auliscops, [632]

Auliscus, [631]

Aulolepis, [560]

Aulopus, [611]

Aulopyge, [582]

Aulorhamphus, [668]

Aulorhynchidae, [631], [628]