Glass is lighter, stiffer, less costly and easier to work than speculum metal.
This process was, moreover, hastened by the substitution of costly and elaborately embroidered materials for the simple stuffs of which the vestment had originally been composed; for, as it became heavier and stiffer, it necessarily had to be made smaller.
Is prevalent, while the Totaninae, with acute and stiffer bills, display no such lively colours.
There is less flow than in the rest of the Pauline letters; "the syntax is stiffer and more regular.
The number of exites is less constant, but, in A pus, two are present, the proximal branchial in function and the distal forming a stiffer plate which probably aids in swimming.