643 



RECORD OF DREDGING. 



TEMPERATURE AND DENSITY. 



Station No. 

 Pate. 



Time of day, : of tide, 



Locality. 



Exact position, 



Depth, 



Nature of bottom, 

 Dredging instrument m-ed, 

 Direction of drift, ; distance, 



Temperature of air. therm. No., 



" of surface water, 



- at depth of fathoms, 



; - at lrottom, " 



Density at surface. temp., 

 " at depth of fathoms, " 

 • ; at bottom, 

 Number of salinometer, 

 Barometer reading. 

 State of sky, 



Direction of wind, : force, 



Rain, 



Direction of surface current, : force, 



" of bottom " : force, 



Name of ve.-^el. 

 Service to which attached, 

 Name and rank of commanding officer, 



Name and position of observer, 



