412 Scientific Intelligence. 
the same depth at the northern border of the Bay of Biscay, in a 
latitude more than 10° to the south, where the surface-temperature 
fluen f the Arctic stream but for a continual suppl t 
a warmer region, the inference seems inevitable that the bulk 
ment 
of Equatorial water toward the Polar area ; of which movement 
the Gulf Stream constitutes a peculiar case modified by local con- 
itions. In li i i i 
ng the first and second cruises of the ‘Porcupine,’ the tem- 
perature of the eastern border of the great North Atlantic basin 
and in widely different localities, ranging from lat. 47° to lat. 55. 
The om-temperature was ascertai 
number of observations eighty-four. Amongst all these the coin- 
idence of temperature at corresponding depths is extraordinarily 
Sega 
by th L 
"Between 100 
