But she found tact a ticklish thing, the most difficult thing of all to handle successfully; and on this occasion hers was so elaborate, and so carefully wrapped up in Scriptural language, and German Scripture at that, that Anna-Felicitas's slow mind didn't succeed in disentangling her meaning, and after a space of staring at her with a mild inquiry in her eyes, she decided that perhaps she hadn't got one. She was much too polite though, to say so, and they sat in silence under the rug till the _St. Luke_ whistled and stopped, and Anna-Rose began hastily to make conversation about Christopher and Columbus. She was ashamed of having shown so much of her woe at leaving England. She hoped Anna-Felicitas hadn't noticed. She certainly wasn't going on like that. When the _St. Luke_ whistled, she was ashamed that it wasn't only Anna-Felicitas who jumped. And the amount of brightness she put into her voice when she told Anna-Felicitas it was pleasant to go and discover America was such that that young lady, who if slow was sure, said to herself, "Poor little Anna-R., she's really taking it dreadfully to heart." The _St. Luke_ was only dropping anchor for the night in the Mersey, and would go on at daybreak. They gathered this from the talk of passengers walking up and down the deck in twos and threes and passing and repassing the chairs containing the silent figures with the round heads that might be either the heads of boys or of girls, and they were greatly relieved to think they wouldn't have to begin and be sea-sick for some hours yet. "So couldn't we walk about a little?" suggested Anna-Felicitas, who was already stiff from sitting on the hard cane chair. But Aunt Alice had told them that the thing to do on board a ship if they wished, as she was sure they did, not only to avoid being sick but also conspicuous, was to sit down in chairs the moment the ship got under way, and not move out of them till it stopped again. "Or, at least, as rarely as possible," amended Aunt Alice, who had never herself been further on a ship than to Calais, but recognized that it might be difficult to avoid moving sooner or later if it was New York you were going to. "Two such young girls travelling alone should be seen as seldom as ever you can manage. Your Uncle is sending you second-class for that very reason, because it is so much less conspicuous."