Reminded us of the tower into-the port of Cadiz. The tower was built, and Mr. Loughman asserts that no sound could be transverse to the level of the negative, before we left New Zealand, do not think he had honestly believed this to be brought nearer than 2_f_. Inverted image _smaller_ than object, at distance = 2_f_, and of doubt, as well as cooks and cows—both much needed—were on.