air-bladder

Adjustment of air-bladder pressure is a slow process.

Trout and Salmon of North America

Like others of his kind Sammy had a very strong spine in which was an air-bladder.

How Sammy Went to Coral-Land

I have heard of more than one case of a well-known herculean player, accustomed not only to big money but applause and hero-worship, seriously wondering if fighting were not his real duty and if he ought not to make a bolt for the Front, but being compelled to acquiesce in the Government's plans and go on drawing his salary for the public pursuit of an air-bladder.

Punch, or the London Charivari, Vol. 147, November 4, 1914

From the air-bladder, and certain parts of the entrails; these are taken out while fresh, cut open, washed, and exposed to the air a short time to stiffen; the outside skin is then taken off, and the remaining part formed into rolls, fastened together with pegs, and hung up to dry.

A Catechism of Familiar Things; Their History, and the Events Which Led to Their Discovery. With a Short Explanation of Some of the Principal Natural Phenomena. For the Use of Schools and Families. Enlarged and Revised Edition.

The Portuguese Man-of-War -- so called from its bright-colored crest, which makes it so conspicuous as it sails upon the water, and the long and various streamers that hang from its lower side -- is such a community of animals as I have just described, reversed in position, however, with the individuals hanging down, and the base swollen and expanded to make the air-bladder which forms its brilliant crested float.

The Atlantic Monthly, Volume 10, No. 59, September, 1862

It does not appear, however, that any of the fringes along the air-bladder have ever arrived at such a size and appearance as to have justified any one in the supposition that they were ovaria, though, as has been stated, distinguished naturalists, from the time of Aristotle to the present moment, have been endeavouring to ascertain this fact.

The Mirror of Literature, Amusement, and Instruction Volume 19, No. 543, Saturday, April 21, 1832.

The elasticity of the air enables fishes to rise and sink in water, through the action of the air-bladder.

The Atlantic Monthly, Volume 06, No. 33, July, 1860

There on the black bottom were a dozen young trout, all freshly caught, and all with the air-bladder punctured by the mother bird's sharp bill.

Ways of Wood Folk

Then the face disappeared with the swiftness of a blindworm popping into its burrow, and the next thing that I remember is my own voice in my own ears, saying gravely to the mainmast, 'But the air-bladder ought to have been forced out of its mouth, you know.'

The Kipling Reader Selections from the Books of Rudyard Kipling

Some of the amphibious animals possess both lungs and gills, even when matured; but the higher vertebrates living in the water breathe through lungs which are evolved from the air-bladder of fishes, which in turn have been evolved from the primitive gullet of the lower forms.

A Series of Lessons in Gnani Yoga