The rest were arranged nearly in altitudinal size-two large tadpoles being close below Guinevere, and a bevy of six tiny chaps lowest down.
"Edge of the Jungle"
William Beebe
altitudinal ascertainings are taken by the simple process of looking at a watchlike, vest-pocket instrument, whose delicately adjusted mechanism is affected by air-pressure.
"Colorado--The Bright Romance of American History"
F. C. Grable
In reality, the assumption is sound only if the altitudinal distribution of migrants is uniform.
"A Quantitative Study of the Nocturnal Migration of Birds. Vol.3 No.2"
George H. Lowery.