Tin Virginia Stables, now in tbe South, are to travel hard roads before they return, if re ports from tbe South and Southwest are true. Wednesday morning we published a notice of a challenge made in Tetine-.ee to run against "Planet '• at Memphis for 9lo,(hio—a challenge which the Messrs. Doswell will certainly not accept, inasmuch as their horse already has four or five engagements in long races, aud ihey have no Idea of going to Tennessee.—