643 



RECORD OF DREDGING. 



TEMPERATURE AND DENSITY. 



Q/i &0 ; of tide, 



Cocality. O^t^Od^ 0<0+t*X ' 



Exact position, t£*fi J*t~ 



fr/y*; y?/*^ 



Depth, / fr>J&~ 



Natureof bottom. * / 



Dredging instrument used, / f*^* f^***"** f>^fij 

 Direction of drift, t ^ : distance, £^ 



Temperature of air. / 1 therm. No. 



puonace wafer, 



at depth^Tf fathoms, 



" iiu^iottom, 



v Density at surface,. / 0^*^ 



temp. j v 



— — - ih. pi h' ill" 1 JUInoimi, 



at bottom, . 





Xmnlter of salinometer. / 



Barometer reading. ^fr* ' 

 State of sky. TlM+** l 







Direction of wind, $ , V * »: force, 



Rain. 0^ * 



Directiou of surface current, : 



force, 



Name of vessel. A/ v V 



force**- 



Service to which attached, » ^ v 





Xanie and rank of commanding officer. 



.T 



Name and position of observer, 



