BIGELOW: COAST WATER EXPLORATION OF 1913. 217 
tongue (p. 165). But this condition must have been limited to a 
narrow east and west zone, for in the profile off New York (Fig. 58) 
the dip of the curves in the same relative position, is just the reverse, 
being steepest at the level (fifty fathom contour) where the slope of the 
bottom becomes rapid, 2. e., just below the cold tongue. At about 
thirty fathoms the density curves are generally horizontal, and they 
are probably horizontal below 100 fathoms. The next, off Barnegat 
63 62 61 
ee cree ee eee eee eee ee ee ee ee ee ee ee et 
Fa.0 
10 
— x 
2 om Ava 
Ca) a SE 
eZ Ui) 
Fig. 57.— Density profile across the continental shelf southwest and south of 
Nantucket (Stations 10063, 10062, 10061) July 10—11. 
(Fig. 59), shows a similar distribution of density, except that the sur- 
face, as well as the deeper water was densest at the seaward end, 
the dip of the curves being especially pronounced in the upper fifteen 
| fathoms or so, and again at 40-50 fathoms over the continental slope. 
A profile running from Station 10079 to Station 10074 (Fig. 60). 
_ shows that just south of Delaware-Bay where the surface water was 
ft oa next the coast, the reverse was true below about twelve 
‘fathoms, the bottom water being heaviest, depth for depth, next the 
land, while the seaward dip of the curve of 1.026, suggests a seaward 
