643 



RECORD OF DREDGING. 



TEMPERATURE AND DENSITY. 



Station Xo. / 

 Date, 



Time of day. 

 Locality. 

 Exact position, 



Depth, 



Nature of botto m, _^gvs^ 

 Dredging instrument used, 

 Direction of drift, 

 Temperature of air ? 



of surface water, 

 i; at depth of fathoms. 



" at bottom, 



Densi ty at surface, J i) * 



at depth of fathoms, 

 at bottom. 

 Number of salinoineter, 

 Barometer reading. 

 State of sky. 

 Direction of wind, 

 Bain, 



Direction of surface current, 



" of bottom " 

 Name of vessel. 

 Service to which attached. 



: distance, 



therm. No. 



temp., 



force. 



: force, 

 : force, 



Name and rank of commanding officer^ 



Name and position of observer, 



