64a 



RECORD OF DREDGING, 



TEMPERATURE AND DENSITY. 



.•Matiou X<t. 

 Date, 



Time of d;iy. : of tide. 



Locality. 



Kxact po.sitioii. 



Depth, 



Xiitnie of hot to 111. 



Dredging iiistruiiieiit u?ied. 



Direction of drift, ; distance, 



Temperature of air. therm. \o., 



of tiurfHce water. 



at depth 4»f fathoniri. 



at lioTtoiiij 



Deii>iry at iurf^ice, temp.. 



•■ at depth of fathoms, 



•■ at lM)ttoin. 

 Xnnit.er of salinoroeter, 

 Barometer readiu;;. 

 State of ^ky. 



Direction of \vin<l. 



: force. 



Kniii. 



Direction of surface eiinent. 



: force. 



of ItOttOlIl 



: force. 



Name of vessel; 



.Service to which attached, 



Xiitin- and rank of coiinnanding ottieer. 



N'ame and position of ol».server_. 



