CHAPTER XXI
Sights of the forest—A butterfly bridge—Bird-winged 272 butterflies—“What’s in a name?”—Scientific sensibility—Resemblance _v._ mimicry—A convenient wrong word—Beauty in nature—Nuptial display—Strange counter-theory—_Lucus a non lucendo_—Reasoning by contraries—True in Topsy-turvydom—Butterfly courtship—Form and colour—A curious suggestion—Powers of defective eyesight