643 



RECORD OF DREDGIIMG, 



TEMPERATURE AND DENSITY. 



Date, / 



Time of day, /^.^^ 







of tide. 



7%^^ A^J-- <:■ 



Locality. 







P'xact position. - 











Xiitnre of bottom. 



Dredging instrument used. / 

 Direction of drift, ^ : distance, 



Temjierature of air. ilit im.Xu.. 



'■ of surface water, •'• 



'• at depth of fathoui?*. 



athottom, /^f . "tf^?3^^ 

 Density at SIM f;ie«'. / ^ - t»-:;i)».. 



" at depth of fathoms, " 

 at bottom, 

 Xnmber of salinometer, ^' 

 Barometei readiuij. ^ 

 Stal*- c.f -ky. 



Direction of wind, y : force. 



Rain. 



Direction of surface ciinenT. 



: force, 



" of bottom ■ ■ 



: forct-. 



Kame of vessel , :27^,^ 





' '.'ice to which aTtached, 





-itiie and rank of command in 



ofiifcr. / 







-Vame and position of ol». server, 







