BIGELOW: EXPLORATIONS IN THE GULF OF MAINE. 69 
32.4 on the surface. North of Cape Ann there was a band of compar- 
atively fresh water, of 32.2 to 32.3, washing the coast along the 
twenty-five fathom curve, extending northeastward as far as Monhegan 
Island, some ten miles broad, 7. ¢., roughly corresponding to the fresh 
coast water noted on the surface in this same region. But it.did not 
pass around Cape Ann into Massachusetts Bay. The band of water 
with salinities between 32.4 and 32.6, which was from thirty to ‘fifty 
Fie. 27.— Salinity sections in Massachusetts Bay, Stations 1, 5, 6. 
{OPERONS ECELEL LT 
Fia. 28.— Salinity sections in Massachusetts Bay, Stations 44, 45,146. 
miles broad abreast of Massachusetts Bay, became very narrow north 
of Cape Ann, the two curves lying close together as far as Monhegan. 
Beyond this point, 7. e., in the mouth of Penobscot Ba y, we have no 
data on the coast water from depths as great as twenty-five fathoms, 
or until Petit Manan is reached. But at Station 33 the twenty-five 
fathom salinity was 32.68, and judging from temperature and tidal 
currents, it is probable that the curve of 32.6 followed the twenty-five 
