High plains, [435];
origin of, [219].
Hilgard, E., cited, [222].
Hinge lines, of uptilt, [344-347].
Hitchcock, C. H., cited, [106], [147], [434].
Hobson, B., cited, [120].
Hogarth, William, cited, [170].
Hogarthian line of beauty, in landscapes, [170-171].
“Hog backs”, [442].
Holmes, W. H., cited, [441].