RECORD OF DREDGING, 



TEMPERATURE AND DENSITY. 



fStatiou iSu. 

 Date, 



Time of day. : of tide. 



Lntality. 



Kxa< T position. 



Nature of liottoiu. 

 Dredging instiument used, 

 I>irectioii ttf drift, • distance, 



Temi»eiatnre of air. tlieiiii. No., 



fjf.su rfiice water, 

 at depth of fathonifs. 

 *' at liottiMii, 



Deii.sity at surface, teiitp., 

 " at dt'iitli i<f fathoms, 

 at hottolii. 



Xuuilter of salinouieter. 

 Barometer reading, 

 State of nky. 



Direction of wind. ; force. 



Kain. 



Direction of surface current. : force. 



. of hottoiu •• : force. 



Kaine of vessel. 

 Ser\ ire Tri wiiicli attached, 

 X.itiie and rank <jf commanding oHicer. 



.Value aiiil \}(>->\\i<ai of i.!i^f-i ver. 



