ClipArt ETC
"Under surface of large beetle, with deeply concave and comparatively small wings, shows that the nervures of the wings of the beetle are arranged along the anterior margins and throughout the substance of the wings generally, very much as the bones of the arm, forearm, and hand, are in the wings of the bat, to which they bear a very marked resemblance, both in their shape and mode of action."—Pettigrew, 1874

Large Beetle

"Under surface of large beetle, with deeply concave and comparatively small wings, shows that the nervures…