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Show PIONEER IN FLASH SIGNALS. Nature Has Provided Antelope With the Apparatus. Another remarkable detnll of the antelope's an-telope's anatomy Ib the while area on each buttock. Although It wins at first llku tho rest of his spots, a mere patch of white coat, It Is found to bo specialised for an Important service It Is composed of hulr graded from hort In tho center to long at the front edges. Under the sklu of the part Is a circular muscle, by means of which tho hair can In n moment bo raised and spread radically Into two groat blooming twin chrjsanthoimimH, more or less flattened at the center When thU Ir done In bright sunlight they ahlno like tin pans, giving flashes of light that ran be seen further tluin tho animal Itself, affording a conspicuous Identification mark that muse bo of great service to the species As Boon, therefore, as an antelope bccb some strongo or thrilling object thlB muscle acts and the rump patch Ib Instantly changed Into a great double disk of white that shines afar llko a patch of snow, and by Its flashing flash-ing spreads the alarm. This, It will be seen, Is simp! a heliograph. Man flatters himself that ho was tho Inventor In-ventor of flash communication, but he Ib wrong; tho antnlopo had It first. They used it thousands of generations before man ever dreamed of It. |