RECORD OF DREDGING, 



TEMPERATURE AND DENSITY. 



Date, ■ ^ 



Time of day, : of tide. ^^if'CrT^ 



Locality. 

 Exact position, 



Depth, / if 



Nature of bottom, 



Dredging instnnueut used, ^^''^UUA*..*^ 

 Direction of drift, : distance, 



Temperature of air, 'y tiienu. Xo., 



" of surface water, 0 



at depth of fathoIlI^i. 

 " at l:otti»ni, 



Density at siirfa©Bj^__/^ -^-^z - > _ Teuii»., 

 •• at depth of fathoms, 

 ■• at bott<fni. 

 Number of ^alinometer, 

 Barometer reading. ^ 

 State of skv. 



Direction of wind, fon e, 



Kain, 



Direction of surface current, : force, 



" of bottom " : force, 



Xame of vef>sel. 

 Service to wliicli attached. 

 Xanie and rank of commanding otiicer, 



Name and posit irui of oli^i,n-er, ^ t> ^ 



7t 



