26 THE CAUSE AND THE CAUSER, she found Dr. Earwig in the way, who, under pretence of apologizing for his accidental presence there, took the opportunity of eyeing her proboscis very carefully. And there assuredly was the foreign body exactly like those he had seen before —only not in the same position. Those on the hee and the moth had lain in a very nearly hori- zontal line—this stood as nearly upright. Stop though! it was upright when he first looked at it, but now moment by moment it was lowering itself. “Tt’s falling off! Attached does not mean stuck fast in this case,” thought the professor to himself. But no! it only went on lowering till it lay in an almost horizontal line like the others. Then it stopped. ““ Allow me, madam,” cried Dr. Harwig in sheer desperation. “A little something has fallen on your proboscis, [ think,” and he whisked a feeler against the foreign body as he spoke. He might as well have whisked it against a rock. “You see double this morning I fear, doctor,” smiled the butterfly. ‘“‘My proboscis has only dipped into a few nectaries of these charming