The vapors were of a violet-gray color and seemingly very dense, for, although endowed with an almost inconceivably powerful ascensive force, they retained to the zenith their rounded summits.
"Plotting in Pirate Seas"
Francis Rolt-Wheeler
The proposed innovation was based chiefly on three cerebral characters belonging, it was alleged, exclusively to Man and thus described in the following passages of a memoir communicated to the Linnaean Society in 1857, in which all the mammalia were divided, according to the structure of the brain, into four sub-classes, represented by the kangaroo, the beaver, the ape, and Man respectively:- "In Man, the brain presents an ascensive step in development, higher and more strongly marked than that by which the preceding sub-class was distinguished from the one below it.
"The Antiquity of Man"
Charles Lyell
The simple trial proved a complete success, due, as it appeared to them, to the ascensive power of a cloud of smoke.
"The Dominion of the Air"
J. M. Bacon