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Sandy Hook L. S. 



Absecon Inlet 



Five Fathom Bank L S. 



Winter Quarter Shoal L. 8. 



Body's Island 



CapeLoo1(out 



Frying Pan Shoals L. S. 



Rattlesnake Shoal L. S. 



Martin's Industry Shoal L. S, 



Fowey Rocks 



Carysfort Reef 



Dry Tortugas 



STATIONS 



This chart is;diyjded vertically into thirteen months in order to inckidethe first month of the following year. Each month is further divided, 

 by the lighter hnes, into periods;of six days each, except in the case.of those months having fewer or more days than 30, when the last division 

 of the month may equal four, five, or seven days. The ist, 6th, jith, i8th, 24th and last days of the month fall on the vertical lines. The 

 transverse lines represent the, stations from which they extend. A complete break in the isothermal line opposite any station generally.indicates 

 that the temperature did not reach the isotherm at that station during" the year, /i line consisting of dashes denotes a lack, of observations for 

 the corresponding station. 



