"The inner or primary bow is much brighter than the other; the outer or secondary bow has the order of colors revered, as indicated." -Avery 1895

Secondary Rainbow

"The inner or primary bow is much brighter than the other; the outer or secondary bow has the order…

"When the drops have their natural position inverted."—Aveling, 1891

Guttée Reversed

"When the drops have their natural position inverted."—Aveling, 1891