Many students of the group, following Brauer, have regarded the Apterygota as representing the original wingless progenitors of the Pterygota, and the many primitive characters shown by the former group lend support to this view.
The fall of the Biainian kingdom, perhaps overthrown by Cyaxares; was apparently soon followed by an immigration of Aryan (Medo-Persian) races, including the progenitors of the Armenians» But they spread slowly, for the "Ten Thousand," when crossing the plateau to Trebizond, 401-400 B.C., met no Armenians after leaving the villages four days' march beyond the Teleboas, now Kara Su.
The two species which are farthest removed in structure, the horse and the ass, produce, as is well known, hybrids or mules, which in certain qualities useful to man excel both their progenitors, and in some countries and for certain kinds of work are in greater requisition than either.
Without prosecuting this subject further, it may be enough here to follow out the lines of the Darley Arabian, the Byerly Turk, and the Godolphin Arabian or Barb, the main ancestors of the British thoroughbred of the 18th and 19th centuries, through several famous race-horses, each and all brilliant winners,-Flying Childers, Eclipse, Herod and Matchem,-to whom it is considered sufficient to look as the great progenitors of the race-horse of to-day.
Lawless Protestant associations, called Peep o' Day Boys, terrorized the north and were the progenitors of the Orangemen (1789).