"Now, that's more like it," he said, his voice rising above the suction-pump noise of the hungry animal.
"Dixie Hart"
Will N. Harben
They should be watched carefully, however, as they are apt, during their antics, to fall over on their backs, when, through suction from the wet and muddy ground, they are seldom able to turn back again.
"Natural and Artificial Duck Culture"
James Rankin
So she and her fellow brood lived in mid-aquarium, or at most rested lightly against stem or glass, suspended by gentle suction of the complex mouth.
"Edge of the Jungle"
William Beebe