643 



RECORD OF DREDGING, 



TEMPERATURE AND DENSITY. 



^tatittii Xo. 

 Date, 



Time of day. : of tide. 



Locality, 



P^xat't position. 



Depth, 



Nature of Ijottoin, 



Dredging iustrmneut used. 



Direction of drift, : distance. 



Temperature of aii. therm. 



of surface water. 



at depth 111' lathuni:*. 



at l^ottoiii, 



Density at surface, temp, 



at depth of fathornsj, 



at bottom. 

 Nu miter of salinometer, 

 Barometer reading. 

 State of nky, 



Diii'ctioii of wind. ; force. 



Kain. 



Direction of surface current, : force, 



of l^ottoiii •' ; force, 



ZS'aiae of veijsel, 

 Service to which attacijed, 

 Name and rank of commanding officer, 



Nauie and po-'ili<jn of oiisci \ t-r, 



