64o 



RECORD OF DREDGING, 



TEMPERATURE AND DENSITY. 



Sratittii Xo. 



Time of day. : of tidt. 



LiK-aliry . 

 Kxaf t position. 



Deiitli, 



Natiu f Iff buttoiii, 

 Difdgin^ iustrunif^nr ii-t-d. 

 Direction of drift, ; distance. 



Temperature of air. tlienii. Xo., 



of tiurface water, 

 " at depth of fathoms, 



at i:0tt01ll, 



Density at iiurface. temp., 

 " at deptli of lat horns, 

 at l»ottoin. 

 N umber of saliuometer. 

 iJaioiiietei readiug. 

 State of ^ky. 



Jiiieftioii of w iitd, ; force, 



Kaiii. 



Direction of .lUilarc current. : force, 



" of bottom : force. 



Name of vessel . 

 Service to whiclj attached, 

 X;nii( and rank of commanding o!ii( *-i . 



