William Tyler Olcott,
Star Lore Of All Ages — Pegasus…
(1911)
“ There is a special significance in the star groups that combine two figures in one, or depict merely half a figure. Thus we have the constellation of the Centaur, half man, half horse. This shows that the figure of the horse was familiar to the inventors of the constellations. In Pegasus we find only a half horse ”
