BRANNER: THE STONE REEFS OF BRAZIL, 75 
very even and nearly level along any lengthwise section. The first 
break is 3.6 kilometres south of the Barra do Suäpe. South of this there 
follows a series of breaks at various distances from each other over a 
distance of three kilometres. Beyond this shattered portion the reef is 
solid and unbroken to where it joins the land five and a half kilometres 
further south. 
It is worthy of note that the breaks in this reef are in front and to 
the north of the mouth of the Rio Tpojtica, whose waters are here deflected 
to the north. Water runs through and beneath the fragments that lie 
scattered in the bottoms of these breaks in the reef, 
There is but little difference in the height of the r 
entire length. In front of the Cambô 
higher than near the Suäpe b 
to be apparent to the eye. 
The north end of the reef just south of the bar is from n 
one hundred metres wide ; along the fractured 
mouth of the Ipojúca it is narrower than elsewhe 
it is not more than thirty metres wide ; 
it is one hundred and fifty metres wide ; 
Joins the land it is from one hundred t 
metres wide. 
At low tide the top of the reef seems to be about two metres high 
(above low-water level); at high tide it is almost completely covered, 
only a few blocks scattered over the surface projecting above water. 
The following cross-sections made 
at different points 
idea of its profile. It should be added, however, that by 
eef throughout its 
a residence it is said to be a little 
ar, but the difference in level is not enough 
inety to 
section north of the 
re, and in places here 
opposite the Cambda residence 
and at the south end where it 
о one hundred and twenty-five 
will give a fair 
searching along 
Fic. 42. Sections across the stone reef south of Cape 8 
anto Agostinho. 
the reef one could find here a section to m 
observed on any of the stone reefs of thi 
this particn] 
the margins 
atch any or almost any section 
8 coast. In the main, though, 
ar reefis, through its solid portions at least, less broken on 
and less open to attack than most of the stone reefs, 
