oscine

He assumes that since palato-maxillaries seem to be absent in the majority of passerine birds, their occurrence in certain nine-primaried oscine groups indicates relationship among these groups.

For that matter, however, there is no one of our birds—be he, in technical language, "oscine" or "non-oscine"—whose voice is not, in its own way, agreeable.

It was something after the order of the purple martin's melodious sputter, only the tones were richer and fuller and the music better defined, as became a genuine oscine.