t>43 



RECORD OF DREDGING, 



TEMPERATURE AND DENSITY. 



/•; >%> ^ 



Depth, ' / 



Nature of bottom, ' / £ 



Dredging instrument used, jlT^^ + 

 Direction of drift, ^ ' ' t tC^ yr ; distance, 

 Temperature of air. fa ^ / therm. No., 



/an 



rface 1 



i»f sfHmce wXter, 

 at dei>n^ »f fathoms, 

 at TTottonr, 

 Density at surface, / ► ^ " > ^> 



at depth of 

 if ;it bottom, 

 Number of salinometer. 

 Barometer read in 

 State of sky, 



fathoms. 



Erection Qt wind, 1 ' fK force. 



Rain, ""H* \ 



Direction of surface cur rent. 



: force. 



" of bottom 

 Name of vessel, 

 Service to which attached, 

 Name and rank of commanding officer, 



" : force, ^. / 



Name and position of observer, 



