64o 



RECORD OF DREDGING, 



TEMPERATURE AND DENSITY. 



^ /fff, / // 



Exact position, 



_ UOJ11> *5&WV^ 



Dredgiug instrument used, ^ fS^l 'r r &t*** r ^ 

 Direction of drift, 0 ^ ; distance, y^f^ 



Depth, 



Temperature of air, 



£of surface \vjrfer, 

 at de>>Ur<>f fathoms, 

 /ut/fTottom, 

 Density at surface, / 0 



*=*-*-^-|t hVrjtfi r 7 In III III , 



t£ at bottom. 

 Number of salinotueter, 

 Barometer reading. 



therm. Xo., /0 ^ 



/ 



Temp., 



State of sky, 

 Direction of win 

 Rain. 



: I'ori.v. 



Direction of surface current. 



— ■ i i f l ift ! U n a 



Name of vessel. 

 .Service to wliicli attached, 



Name and positmp ouj 



Xanie and rank of commanding officer, 



