DREDGING. \2^ 



early part of the day, the wind in the evening hauled 

 around to the S. W., giving us a fine evening sky. I 

 dredged in the morning in the rain over the side of the 

 vessel in four fathoms, the bottom rich in the red sea- 

 weed {Ptilota), the Desmarestia, and the sea-colander 

 {Agarum turnert), and besides a portly queer-spined 

 amphipod {Amphithonotus cataphr actus), which carried 

 its brood of young, also bristling with spines, a fine large 

 Crangon boreas with other bright red shrimps came up. 



NEBALIA BIPES. (Enlarged six times.) 



In^the afternoon we sailed out two or three miles to the 

 mouth of the harbor, and dredged in from ten to twenty 

 fathoms on a hard, pebbly bottom, evidently the contin- 

 uation of the beach, and showing that the land was for- 

 merly at least from one hundred to three hundred feet 

 higher than at present ; besides Lyonsia arenosa, Kenne- 

 rliaglacialis, and other shells and crustaceans, the interest- 

 ing iW<5«/e',« bipes was taken: it was also found in as shal- 

 low water as four fathoms. This form is less than half an 

 inch in length and is found throughout the Arctic Ocean, 

 is common on the coast of Norway, and its family is now 



