The portrait has the only water; the remnant colored bordering images of a baren desert; the two merge on this sketch, where in the dream they disappear one at'a time in there struggle through the sands; it was the viewer that was being observed, at first, by the female in her lead, being followed by the creature aware also of the viewer, Are they following. or leading in their drive?
Never the less if their is hope for the girl, then too for the viewer.
The painted picture, a per-rafaelite exihibit (editing a link in progress) is centered and duplicated onto a microsoft hand painted "paint" program of a 2009 dream ; the Rafaelita replacing the image of the colonial dressed female walking on the sand while being followed by he snail and a miniature horse; while they follow in one direction, the horse appears to drive and or simply entertain, a shift reversed she follows and could be left in the sand.
This combigning seams to add a notion of angelic rescue, yet unsure and I haven't read yet, what descriptions of the original artists painting statemeants.

2 OR 3 CREATURES; OR MORE, IF THE ANGELIC WOMAN IS APART.