CONE n.
A shell of the genus Conus, having a conical form. Cone of rays (Opt.), the pencil of rays of light which proceed from a radiant point to a given surface, as that of a lens, or conversely. -- Cone pulley. See in the Vocabulary. -- Oblique or Scalene cone, a cone of which the axis is inclined to the plane of its base.…
PARROT n.
Any species of Psittacus, Chrysotis, Pionus, and other genera of the family Psittacidæ, as distinguished from the parrakeets, macaws, and lories. They have a short rounded or even tail, and often a naked space on the cheeks. The gray parrot, or jako (P. erithacus) of Africa (see Jako), and the species of Amazon, or gre…