jt>ART 2.] 
King: on the Artesian Wells at Pondicherry, 
Table 4.—The Ville Noire Boring —concluded. 
131 
sa 
74 
75 
76 
77 
78 
79 
80 
81 
Bees. 
Thickness of beds 
in metres. 
Coarse black argillaceous sand with iron 
0 99 
pyrites. 
Ashy blue clay and vegetable matter ... 
3-13 
Foliated ashy blue clay ... ,,, 
0-10 
Medium grey-black s.md ... 
1-37 
Ashy blue clay, vegetable detritus, and 
0-10 
very fine sand. 
Black sand soiled with clay, small gravel 
I'OO 
and vegetable matter. 
Dirty black-grey sand, small pebbles ... 
1-96 
Yellow sand, ferruginous grit and con- 
0-90 
glomerates. 
Grey sand soiled with clay, small peb- 
0-60 
hies. 
l| 
« s 
_> 3 
«.2 
a. 
142-40 
IlEMARKa. 
145-53 
145-63 
147-00 
147- 10 
148- 10 
150-06 
150-96 
151-56 
164-60 W.ater Is rising from this 
depth, and tlowiiig otit 
at 2-96 feet below the 
surface level, with a 
discharge of 13-21 gal¬ 
lons a minute. 
Tentative groujnng. 
Feet, 
Feet. 
Katural earth . ... • 
1-64 
1-64 
A.—Sands.. . 
44-41 
46-05 
B.—Thick beds of clay. 
45-59 
91-64 
C.—Sands, with scams of pebbles. 
14-69 
106-33 
D.—Clays and clayey sands .. 
44-18 
150-51 
E.—Varied bods of sand, pebbly, conglomeratic, and clayey 
62--44 
202-95 
F.—Clays and clayey sands. 
8-69 
211-64 
G.—Mixed beds of sand, clays, and gravels. 
130-77 
342-41 
H.—Sandy clays.. 
13-28 
355-69 
I. —Sands, somewhat clayey and ferruginous . ... 
90-72 
446-41 
J. —Mixed sands, clays, and sandy or argillaceous beds, with some 
pyritous sands, and seams of vegetable remains .... 
39-32 
485-73 
K.—Sands -with pebbles and conglomerates. 
11-34 
497-07 
G 
