643 



RECORD OF DREDGIMG, 



TEMPERATURE AND DENSITY. 



Statiuii 

 Date, 



Time of day. : of tide, 



Loealitv . 

 Exact position. 



Dejitli. 



Xatiiie ot l»ottoiii. 

 Dredging instrnment used, 

 Direction of drift, : distance, 



Temperature of air. tlierni. Xo., 



• r>f surface water, 



at depth of futhoui.-j. 

 at liottoui, 



Den>ity at surface. reiiip., 

 •• at deptii of falliom.s, 

 at bottom- 

 Xniiilxrt of Halinometer. 

 Barometer reatlinj;t. 

 State of sky. 



Direction of wind. : force. 



Kain. 



Direction of surface current. ; force. 



.>f l.ottoin " : force. 



Name of vessel, 

 Service to which attached, 

 N'anie an*! rank (if eouiniandin^i nWu-t-i . 



Name and iio>ition of ohserver. 



