90 
“¢(2) Noon at the Caiiada.—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°, drybulb, 42°. 
‘* Contemporaneous observations were taken this morning 
at Santa Cruz, by Mr. Evans, of H.M.S. Fly, ona similar 
ge the neutral point of which was 30°257 ; relative 
capacity a the observations being— 
“(5) Barometer, 30:212; attached thermometer, 70°; de- 
tached thermometer, 70°. 
“©(6) At 10 a.m. at the Estancia, on descending. Aicpatie 
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. 
(dy (303008  708t Ge 
(RH Mage5g PONT 98? Gg 4s he oH hogs 
By") 1316 Poe 23s squbshige Iw holes 
(4) W953" @. Mer os a4 SES AD 
(5) 30:252)5 2 2 70 Ay FTO 
(6) Z1c320 ey ett. 8259 subset 950. 
(7) BOp28 ounce) allo. Aga ties 
* 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 have exceeded 32°. 
