32 



JOURNAL. 



June. two hundred and thirteen miles ; which agrees exadly 

 with the obfervation. At three in the afternoon, brought 

 to and founded no fathom; foft muddy ground: 

 hoifted out the boat and tried the flream ; found it, both 

 by the common and Bouguer's log (which agreed exadlyj 

 to run half a knot North ; Black Point bearing E N E. 

 At four the longitude by the watch was cf 31' E: at 

 eight the variation, by the mean of nineteen obfervations, 

 1 1° 53' W" I could not account from any apparent caufe 

 for this p-reat chanfje in the variation : the weather was 

 fine, the water fmooth, and every precaution we could 

 think of ufed to make the obfervations accurate. The dip 

 was 80'' 26'. Plying to the Northward. 



30th. At midnight the latitude by obfervation was 

 78° o' 50". At four in the morning, by Lord Charles 

 Cavendilli's thermometer the temperature of the water at 

 the depth of n8 fathoms was 31" of Fahrenheit's ; that 

 of the air was at the fame time ji^d'l. At nine in the 

 morning we faw a fhip in the N W, {landing in for the 

 land. Having little wind this morning, and that Nor- 

 therly, I flood in for the land, with an intention to have 

 watered the (hip, and got out immediately, but was pre- 

 vented by the calm which followed. At noon the lati- 

 tude obferved was 78° 8'; the dip 79° 30'. At two 

 in the afternoon we founded in 115 fathom; muddy 

 bottom : at the fame time we fent down Lord Charles 

 Cavend fh's thermometer, by which we found the 



temperature 



