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bulletin: museum of comparative zoology. 



1C079) . And as the high surface temperature of the latter was almost 

 certainly due to the seasonal warming which had taken place during 

 the interval between our two visits, it is safe to say that at Station 

 10073 a mass of water warmer than the water either north or south of 

 it was crossed. South of Delaware Bay the water was also found coldest 

 next the coast (the warm surface at Station 10078 was the result of the 

 unusually hot weather of the preceding three or four days) . And the 

 curves show, further, that the two stations abreast of Chesapeake 

 Bay (10078 and 10077) were from 1.5° to 3.5° colder, depth for depth, 

 at the lower levels than the two stations immediately north of them,, 

 a fact of interest in connection with the salinity of the region. 



Fig. 8. — Chart of bottom temperature on the continental shelf for July; and 

 in the Gulf of Maine for August. Temperature below 41°, cross hatched; 

 41°-45°, single hatched. The dotted line is the 100 fathom curve. 



