292 Scientific Intelligence. 
seeking I saw Jupiter, Venus, and some other luminaries. A portion of 
this light may have proceeded from the reflection of a thunder cloud, a 
short distance from and feebly lighted by the sun. 
give the result of the observations made with the thermomultiplier 
of Melloni by M. Botella, inspector of mines. In general the progress 
was very regular, as the figures show : 
Commencement, jh «57m. Galvanometer, 20°0 
2 11 a4 18:3 
V4 25 ie 155 
2 35 = 115 
2 58 * 20 
3 5 ig 15 
Totality, ee 10 «“ 00 
Emergence of the sun, RNR . 05 
‘. 3 90 “ 10 
3 85 2 12:0 
“S 55 i 150 
4 16 - 175 
End, eee |) “ 20:0 
A very sensitive declinometer of Jones, observed hourly by M. Mayo, 
engineer, showed no disturbance. Professor Barreda observed the solar 
spectrum at my request, and will give his report thereon in a special 
memoir. 
4. On the polarization of the light of the corona, and of the red protu- 
berances, in total solar eclipses —M, Prazmowsk1 observed at Briviesca 
in Spain, with special reference to these subjects, the total eclipse of 
July 18th. His observations seem to justify the following conclusions, Vi 
(1.) The light of the red protuberances is not polarized, 8 
spect they resemble clouds in our atmosphere. May we hence conclude 
that these are solar clouds, composed of particles, not gaseous, but liquid 
the light to us reflected nearly at the maximum angle of polarization 
For a gas this angle is 45°; but in order to reflect light at this angle 
it must be near the sun. A solar atmosphere seems to furnish the ne- 
cessary conditions.— Comptes Rendus, Aoit 6, 1860. 4 
5. Baily’s Beads.—Mr. Lesp1auit, who watched especially for this 
phenomenon, says—(Compt. Rend., li, 221)—some seconds before the 
first interior contact, the margin formed by the are of the moon ap- 
peared irregular and trembling, but I did not see either the “ Baily- 
Beads” or “ comb-teeth.” 
6. Third Comet of 1860.—A brilliant comet, with a tail several degre? 
long, was seen by many persons in different parts of our country, on “ 
evening of June 2lst and 22d, 1860. It was seen on the evening ” 
June 20th, by Prof. Caswell of Providence, then on the deck of the steam 
‘ship Arabia. The first public notice of the comet appears to have beet 
made by Mr. C. W. Tuttle, assistant in the Harvard College Observatory: 
comet continued vissible to the naked eye about two wees 
er 
atts sh Ge as. 
os 
