38: EXPLORATIONS, WESTERN ATLANTIC, STEAMER BACHE, 1914. 
for. the water immediately north of the Bahamas. But the Blake 
temperature series taken in 1878 between the. Tortugas and. Cuba, 
and on the Cape. Florida-Gun Cay line, reveal the same. general dip 
of the. temperature curves from north and west to south and east, 
and the same banking up of cold water against Florida that. charac- 
terize the profiles run by the Bache. 
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FG. 38.—Salinity at 400 meters in the Straits of Florida, March, 1914. 
At the western end of the Straits the temperatures for the two 
years agree very closely. off: Cuba (fig. 40) and on the Florida side 
(fig. 41), except that the immediate surface was warmer in May, 1878, 
than in March, 1914, as might have been expected from the differ- 
ence in season. Otherwise the only notable deviation in the curves 
is that the 1,800-metertemperature.was 5° higher in 1878 than in 1914, 
