Which preposition to use with concaves

of Occurrences 13%

A few bright and beautiful stars gemmed the wide concave of heaven; the air was soft and balmy, scarcely agitating the leaves of the forest trees; the fragrance-weeping limes gave out their richest scent, and the gentle gush of fountains, and the tricklings of the mountain springs, came in music on the ear; and had the traveller been more at ease, the calm and tranquil scene must have diffused its soothing influence over his heart.

on Occurrences 5%

The coat of the spore gives way, and each portion then emerges as an independent organism, which has the shape of a bean, rather narrower at one end than the other, convex on one side, and depressed or concave on the opposite.

in Occurrences 2%

The red corpuscles are circular disks about 1/3200 of an inch in diameter, and double concave in shape.

at Occurrences 1%

The general outline of the moulding is a gracefully flowing cyma, or wave, concave at one end and convex at the other, like an Italic f, the concavity and convexity being exactly in the same curve, according to the line of beauty which Hogarth describes.

with Occurrences 1%

peal'd, And thrill'd the concave with harmonious joy.

Which preposition to use with  concaves