t>4o 



RECORD OF DREDGING, 



TEMPERATURE AND DENSITY. 



? 



Date 



Time of day. : of tide, / 



Locality, 



Exact position, \ 



/' 



Depth, ^ 

 Xature of bottom, ^ 

 Dredging instrament 



Direction of drift, # f ; distauce, 



Teniperature of air. 



of surface water, 



at deptli of fatlioiiij-, 



at bottom, 



Density at surface, / C ^ ^ 

 at depth of fathoms. 

 " at bottom, 



Xuniber of salinometcr, - 



Barometer reading. 



State of sky. 



Direction of wind, /^f^-- 

 Kain. 



Pirection of surface current, 



of bottom 

 Name of vessel, 

 Service to which attached, 

 Name and rank of commanding officer. 



therm. N«W. * 



teujp,. , 



-< 



force. 



: foicf, 

 : force. 



Name and position of oljHerver, 



