Livers of Northern New Jersey. we OS 
The third requisite of the proof of the inland extension of the 
Cretaceous, and the resulting superimposed origin of the Watch- 
ung streams may be stated in detail, as being more in the line of 
this essay: has the adjustment that accompanies superimposition 
systematically advanced farther near the large streams than near 
the small ones? The character of this adjustment should be first 
examined deductively. Given a series of streams of different 
volumes, flowing southeastward, in the direction of the present 
dip of the remnant of the Cretaceous cover, over the former 
inland extension of this superposed formation; how will these 
streams react on one another when they sink their channels into 
the underlying Triassic formation ? 
The conditions during the formation of the cover of Cretaceous 
beds are illustrated in fig. 2, where the Triassic portion of the 
peneplain is submerged, and the shore-line of the transgressing 
ocean has reached the margin of the crystalline rocks. The 
waste from the crystallines is spread out as a series of gravels, 
sands and marls on the baselevelled Triassic area. 
Then follows the elevation and tilting of the peneplain with 
the cover on its back; and with this regression of the sea, there 
is an equivalent gain of new land; a smooth gently sloping plain 
is revealed as the shore line retreats; streams run out across it 
from the crystalline area, or begin on its open surface, growing 
mouthward as the land rises. Three such streams, A, C, D, are 
shown in fig. 3; their opportunity for deep valley-cutting is indi- 
eated by the depth of the new baselevel, BL, below the general 
