It was when the heats of noon died gradually away from the earth, that Glaucus and Ione went forth to enjoy the cooled and grateful air. At that time, various carriages were in use among the Romans; the one most used by the richer citizens, when they required no companion in their excursion, was the biga, already described in the early portion of this work; that appropriated to the matrons, was termed carpentum, which had commonly two wheels; the ancients used also a sort of litter, a vast sedan-chair, more commodiously arranged than the modern, inasmuch as the occupant thereof could lie down at ease, instead of being perpendicularly and stiffly jostled up and down.