643 



RECORD OF DREDGING, 



TEMPERATURE AND DENSITY. 



Sratlou No. 



Time of day. ; of tide. 



Locality. 



Kxact position. 



Dei.th. 



Nature of bottom. 

 l)red<j!i)g iu.stnmient used. 

 jDirectioii of drift, ; distance, 



Teiiipeiature of air. tbenti. No,, 



ni' surface water, 



at depth «»f fathoms. 



at liottoiii, 



Density at surface. temp., 

 at depth of fathomii, 



at l>ottoiii. 

 Niuuin.i of salinometer. 

 Barometer read in 

 -^ratfc of sky. 



j>iref-tion of w ind. : force. 



Rain. 



Direction of surface current. : force. 



ofliottoiu •• -force. 

 Name of vessel. 

 Serviff- to whir h at tacln-<l. 



Name and rank of commanding otiicerj 



Name and position of oltx-s . i-i 



