322 
APPENDIX II. 
important evidence in regard to the Sandwich Islands. 
Oahu, the island on which is the town of Honolulu, gives 
indications of a recent upward change of level, amounting 
to 60 feet at least on its northern, and about 20 feet less 
on its southern side. But this is not all. Several deep 
borings have been made in different parts of the island, 
the particulars of which are recorded. The following may 
be taken as examples. 
I. James Campbell's Well, at west foot of Diamond Head , 
not far from sea-level. 
Thickness 
Feet 
Depth 
Feet 
Gravel and beach sand . 
50 . 
Tufa like that of Diamond Head . 
270 . 
320 
Hard coral rock , like marble . 
505 . 
825 
Dark brown clay .... 
75 . 
900 
Washed gravel .... 
25 . 
925 
Deep red clay .... 
95 . 
1,020 
Soft white coral .... 
28 . 
1,048 
Soapstone-like rock . . . 
20 . 
1,068 
Brown clay and broken coral 
110 . 
1,178 
Hard blue lava .... 
45 . 
1,223 
Black and red clay . . . 
28 . 
1,251 
Brown lava 
249 . 
1,500 
King's Well No. 2, about half a 
mile west of Diamond 
Hill, and 350 yards from the sea-shore. 
Thickness 
Feet 
Depth 
Feet 
Sand and coral . . . . 
. 38 
White coral rock .... 
. 22 . 
60 
Yellow sand 
. 43 
103 
Hard lava 
. 47 
150 
White coral rock . . . . 
. no 
260 
Blue clay 
. 25 
285 
Tough clay and coral ... 
. 65 
350 
Blue clay 
. 30 
380 
Hard coral rock .... 
. 40 . 
420 
Soft coral . , . • 
. 30 
450 
