643 



RECORD OF DREDGING, 



TEMPERATURE AND DENSITY. 



totatii)!! X<i. 

 Date. 



Time of day. : of tide. 



Locality. 



f^xaot position, 



Depth, 



Xiitiue of bottoiu, 



Dredgiijg instrument used, 



Direction of drift- ; distance, 



Teiniieiatiue of aii. tlteriii. Xo., 



of surface water, 



at depth of fathoms, 



at l:Ottohi, 



Density at surface. teuip., 



at depth of fathoms, 



at hottoni. 

 Xiiniljer of salinometer. 

 Barometer readiu^c- 

 •^tate of »ky. 



Direction of wind, ; force, 



Kain. 



Direction of surface current, ; force, 



of l.oitoiu " ; force. 



Name of vessel. 

 Service \<t which attached, 

 Xaitie aud rank of commanding orticer. 



Name aud position of ohserver, 



