643 



RECORD OF DREDGING, 



TEMPERATURE AND DENSITY. 



>ratiuii Xi». 

 iMiXi.'. 



Tiiue of day. : of tide. 



Locality. 



Kxact position. 



Depth. 



Nat Hi e of bottoni, 

 Dretlgiijg instiuineiit used. 

 Direction of drift, ; distance, 



Temperature of air. therm. Xo.. 



of surface water, 

 at depth of fathonis^. 

 " at V;Ottoiii, 



Density at surface, teiiip., 

 at depth of fathoms, 

 ■' at bott<»tu, 

 Xuiiiber of saliuoiiK'ter. 

 Barometer readiii*;;. 

 .Slate of sky. 



Direetioii of w iitd. ; force, 



Rain. 



Directiou of .•surface current. : force, 



of bottom ■■ : force, 



Name of vesssel, 

 Service to which attached, 

 Name and rank of commanding otticer. 



\ame and po-itioii nt' di.-e! \ «-r 



