June 12, '33 Lat 36° 28' Lon 74° 30' sail to courses, Single-reefed Topsails, and Juetupmast staysail. A heavy cross sea, and the inky blueness of the water, as well as the higher tem- perature, told that we were in the gulf stream. At four o'clock the first of the gulf-weed was seen, which gave me much pleasure and ex- citement. It occurred in very small pieces at first, till at last, a bunch of a foot in diameter occa- sionally going by. In this weed and attached to it were various marine an- imals. The Caries or petrels followed the vessels in extraordinary numbers (100 or more) I caught one by entangling him in some thread which was tossed over- board, it was of the species Phallasidonna specimen stuffed by Mr Kern. Monday, June 19th. The petrels leave us, with the exception of two or three individuals. The sea weed (Sargassum) increases in quantity, - from it were obtained the following animals. - Planaria, a fin species, fin. colored like a Membranipara