temperature sounding’ was taken, the intervals heing
100 fathoms from the surfaee to a deptli of 1,500
fathoms :—
Surface
100 fathoms
200 „
.300 „
400 „
r.o o „
000 „
700 „
800 „
22°- 2 0.
18 • i)
15
12
9
G
5
4
4
900 fathoms
1000 „ .
1100 „ .
1200 „ .
1300 „ .
1400 „ .
1500 „ .
1900
3°- 6 0.
3 • 4
3
2
2
2
0
bottom 1 • 9
The specific gravity of the liottoin ivater was
1 ’02517 at 22°’’l C., that of the surface Avater heing
1-02579 at 22°-8. C.
During the folloAving night Ave made about 100
miles, aud ou the morning of the 5th Ave Avere a little
to the south-Avest of a sounding of 1,875 fathoms
(Lieut. Berryman) on the chart, so that Ave Avere still
ou a comparatively elevated plateau. A traAvl with a
22 feet heaiuAvas sent doAvn at 9 a . a i . , audvA'c sounded
at 10 A.AI. in 1,950 fathoms. A sliji Avater-bottle
accompanied the ‘ Hydra ’ sounding macliine to tiie
bottom, and a stopcock Avater-bottle Avas bent on to
the line at 1,000 fathoms from tlie hottom. On
hauling up, the strong brass cylinder of the stopcock
Avater-hottle Avas found collajised and crumpled like
a piece of paper. This Avas not a matter of surprise,
for it Avas already suspected that the valves had closed
lieiore the hottle readied the surface from having
been scarcely sufiiciently tightened up. The slip
Avater-hottle had also miscarried, some mud having
got into the valve aud prevented its closing fully.
The sample iu the tuhe of the ‘ Hydra ’ Avas ooze
coutaiuing many foraminifera ; the thermometer
registered a temperature of l°-9 C.
The traAvl Avas hauled in at 5 p.ai. The heam Avas
broken through the middle and otherwise strangely
torn and crushed by the combined action of the
pressure to Avhich it had heen subjected and the strain
of pulling it up rapidly through three miles of Avater.
The Avood Avas driven in aud compressed so as to
reduce the diameter of the heam hy half an inch, and
the knots projected a quarter of an inch on all sides.
In the bread-hag cliamher at the end of the traAvl
there Avas a little mud, full of large foraminifera and
the otolites of fislies, the finer débris having been
Avashed through the canvas ; and sticking to the net
were several examples of the tAvo hryozoa previously
mentioned, aud a very perfect young specimen of the
remarkable form Avhich we dredged off the coast of
Portugal, Naresia cyathus. Our position at noon
Avas lat. 21° 0' N., long. 46° 30' AV., Sombrero Island
distant 972 miles.
On Thursday the 6th Ave sounded iu 2,325
fathoms, sending doAvn a thermometer aud the slip
water-bottle. The hottom-temperature registered
Avas l°-7 C., aud the specific gravity of the sample of
Avater was 1-02470 at 21° C., that of the surface Avater
heing 1-02556, at 23°’3 C.
The hottom was a yelloAvish ooze Avith a very large
proportion of red clay, and a corresponding decrease
in tlie amount of carbonate of lime aud in the number
of shells of foraminifera ; a considerable approach to
the character of the mud from Station 7 on tlie 24th
of Pehruary, Avhen Ave Avere approaching the bed of
0
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