"red bodies," [307];

"red glands," [307], [308], [309];

gases of the air-bladder, [309];

functions, [309];

in locomotion, [310];

as a vocal organ, [358];

connexion with the auditory organ, [388], [389], [390]

Albula, [548], [541], [549];

vestigial conus arteriosus, [329], [548];

A. conorhynchus, [548];