Possessing an immense range of knowledge, he has filled up lacunae in nearly every part of physics, by experiment, by calculation, and by clear accurate thought.
Apellicon filled in the lacunae, and brought out a new, but faulty, edition.
In other cases the epithem may be absent altogether, the tracheal strand debouching directly on the lacunae of the mesophyll.
In addition to the median lacuna there are two lateral lacunae, one upon each side.
The design of the former is a trellis crossing the ceiling diagonally; in each of the lacunae is carved a cherubim with eight wings; the figures and the trellis are gilded; the ground is a rich ultramarine.