So far as we can see, there is no reason to suppose that the mutations which can be described as superficial are Disproportionally more likely to occur than others.
"Sex-linked Inheritance in Drosophila"
Thomas Hunt Morgan Calvin B. Bridges
Its three door-ways and double tier of windows appear Disproportionally small, when contrasted with the expanse of blank wall; and their returns are remarkably shallow.
"Account of a Tour in Normandy, Vol. II. (of 2)"
Dawson Turner
Compared with the features, the skull was Disproportionally large, both behind and before; and a physiognomist would have drawn conclusions more favourable to the power than the tenderness of the Provencal's character from the compact closeness of the lips and the breadth and massiveness of the iron jaw.
"Lucretia, Complete"
Edward Bulwer-Lytton