obvious

ilmeinen Easily discovered, seen, or understood; self-explanatory.
(RQ:EHough PrqsPrc)

Carried somehow, somewhither, for some reason, on these surging floods, were these travelers, of errand not wholly obvious to their fellows, yet of such sort as to call into query alike the nature of their errand and their own relations. It is easily earned repetition to state that Josephine St. Auban's was a presence not to be concealed.