Next day the young phoenix is already feathered; on the third day his pinions are full grown, he salutes the priest and flies away.
There are also two vertical racks, one at each end of the casing, in connexion with - the two springs, and these actuate pinions on the axle of the drum and cause it to revolve as the springs extend.
As illustrative examples of the form of wings alluded to, those of the beetle, bee and fly may be cited - the pinions in those insects acting as helices, or twisted levers, and ' Revue des tours scientifiques de la France et del' Etranger, 1869.
In registering the movements of the wings the tips and margins of the pinions were, by an ingenious modification, employed as the styles or pens.
If such comparison be made, it will be found that the pinions in some instances diminish while the bodies increase, and the converse.