Read it through once

When Rowena had at last done all her duty by the people in the parlor, she went up-stairs to satisfy the longings of an overflow-meeting there, for the parlor was not big enough to hold all the comers. Again she was besieged by eager questioners and again she swam in sunset seas of glory. When the forenoon was nearly gone, she recognized with a pang that this most splendid episode of her life was almost over, that nothing could prolong it, that nothing quite its equal could ever fall to her fortune again. But never mind, it was sufficient unto itself, the grand occasion had moved on an ascending scale from the start, and was a noble and memorable success. If the twins could but do some crowning act, now, to climax it, something unusual, something startling, something to concentrate upon themselves the company's loftiest admiration, something in the nature of an electric surprise--