90 
“«(2) Noon at the Cafiada.— Barometer, 23-926 ; attached 
thermometer, 66°-5 ; detached thermometer, 58°. 
(3) At 4 p.m. at the Estancia de los Ingleses.—Barome- 
ter, 21-434; attached thermometer, 59°; detached thermometer, 
55°; Mason’s hygrometer, wet bulb, 36°, dry bulb, 52°; water 
boiled at 194° of the barometer thermometer, at 5 P.M., when 
the temperature of air had sunk to 47°. 
‘“©(4) May 2, at 6 a.m. on the summit of the Peak.—Baro- 
meter, 19-803 : attached thermometer, 54° ; detached thermo- 
meter, 42°; * Mason’s hygrometer, wet bulb, 33°, dry bulb, 42°. 
‘«‘ Contemporaneous observations were taken this morning 
at Santa Cruz, by Mr. Evans, of H.M.S. Fly, on a similar 
barometer, the neutral point of which was 30°257 ; relative 
capacity = the observations being— 
‘*©(5) Barometer, 30°212; attached thermometer, 70°; de- 
tached thermometer, 70°. 
“©(6) At 10 a.m. at the Estancia, on descending.—Baro- 
meter, 21°438; attached thermometer, 59°; detached thermo- 
meter, 50. 
(7) At 4 p.m. at the inn at Oratava.—Barometer, 
30-235; attached thermometer, 75°; detached thermometer, 73°. 
‘Correcting these observations for relative capacity and 
capillary attraction, we get the following :— 
Barometer. At. Ther. Det. Ther. 
(1) a0300+4. ss Tee eee ee 
(Br SB RE ONE GB Gt hgkagR 
(3) ZEStO~ fe **459 oF 38 UahG6 
(4) T9GSS SS Ps N opie Ag 
(5) SOS 2 ON i aral7O suai tO 
(6) ZUES20 tah men etis9 Jor veet50 
(To EBODBS its) 16 its TB Sates IMIS 
There were hot rocks from which vapour issued not many yards from 
us; as snow remained unmelted a little below, the general temperature of the 
air could hardly haye exceeded 32°. 
