January 1854 Port Jackson, N.S.W. and particularly anxious lest any one should trespass on his grounds. Today I made one of several visits to the Botanic Garden of Sydney, which is very extensive, and much resorted to by the citizens. It is arranged and cared for in a very scientific manner, each tree and plant having its name plainly set on a board at its foot. In the center of the garden I noticed the tomb of Cunningham. 1st Sunday Today the Commodore, Mr Bozps, Mr Kern, and myself, with Mr Clark and another gentleman, formed a party to visit the Monument of La Perouse at Botany Bay. After a ride of about seven miles through a sandy country, and passing through a grove, we arrived at the Sir Joseph Banks Hotel (named after the great naturalist who accompanied Cook on his first voyage, and who landed here). After a good dinner, of which Boston ice was no unwelcome concomitant, we took a boat and proceeded down the Bay. Its opening is rather wide; and A the shores, shallow, presenting, at low water, many broad sandy beaches, which abound in a Zosteria, like ours, which affords food to numerous Trochi. The 2nd subsection is thickly strown with a large Carithrium. We landed on a smooth sandy beach near the entrance of the Bay, and while the rest of our party walked up the hill to the monument, I searched, with the help of a spade, the sand near low water mark, and found a few crustacea and many very interesting worms. (See notes.) A pretty little crab, of a sky blue color (Myctine longiarus) lives in crowds on these shores at about half tide mark, in holes; - it corresponds to our fiddler or soldier crab (Gelasimus vocans). After a pleasant sail back to the Hotel, we returned in one carriage to the city of Syd- ney, where I was happy to hear that the British Surveying ship "Herald" had arrived from New Caledonia, during our absence. 2nd. The average temperature of the air, du- rng the day, in this Port, is 70°, that of the water 70°. The wind usually from the Northward. 3rd. Today I went to the city, and after at-