78 January 1854 Port Jackson, S.S.V. tending to some business matters, took a walk about the town. 4th. This day I dredged, in company with Mr Wright, in a little cove near the entrance of the harbor, where, among the soft sponges of the bottom, I found a rich harvest curious shrimps, named mollusks, etc and a beautiful planaria of the genus Estidiceros. 5th. Through the kindness of one Commander in offering me the use of his boat, I visited the "Herald" Her Naturalist, Mr Macgillivray, was not on board, but I was very kindly received by the two medical gentlemen connected with the vessel, who were both men of science. One of them shewed me a book containing a number of sketches, beautifully drawn, of some elaborate anatomical investigations on the lower animals, which he had made on board ship, having the benefit of a large room with plenty of light. I was shewn several interesting specimens collected at New Caledonia and the neighboring islands, among which were several new land shells, and some well