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bulletin: museum of comparative zoology. 



And it is probable that the surface was at or near its warmest by the 

 end of July. 



The surface temperature off Long Island on August 1st (Station 

 10083) was 68°; 69° off Block Island; and 72° thence to the entrance 

 of Vineyard Sound, though at the westerly end of the Sound it fell to 



Fig. 4. — Temperature sections on the continental shelf ofif New York and 

 Long Island (Stations 10063, 10065, 10066, 10067, 10082) and at the edge 

 of the Gulf Stream, Lat. 39° 55' (Station 10064). 



68°, no doubt influenced by the violent tide. Two days later the 

 surface water was 72° from Woods Hole to the east end of the Sound. 

 But it was much colder (61°) off Monomoy; and only 50° on Pollock 

 Rip, this last being evidence, of course, of thorough vertical mixing 



