274° Scientific Intelligence. 
of the solar protuberances, Secchi has made some new observa- 
tions of interest. One protuberance was observed perfectly de- 
much feebler, 
Lockyer finds that the protuberances are simply local api 
i e sun. 
m 
is not a hydrogen line, and does not correspond to any dark line 
in the spectrum. On applying the Spectroscope to the examina 
tion of Jupiter, Secchi found that the dark band in the red does 
not coincide with the band C, which we see in our atmosphere. 
¢ same astronomer has had opportunities of studying the spectra 
of several meteors. One of them exhibited 
trum, the principal luminous rays being red, yellow, green and 
blue, and very brilliant. In the eases of two other very brilliant 
Meteors, the magnesium ray (5?) was superb.—Secchi in Comptes 
Rendus, \xvii, 1018, 937, 1123. Lockyer in the same, \xvii, 949. 
W. G 
pee as @ motion of the observer, toward or from each ie wane 
troduction contains a concise and clear statement of the I 
be ieee change in refrangibility of light produced by the motion of 
i Bie an of the luminous body, contributed ty? Mr. 8. 
pe 
t y a means of an instrument having ave? 
. t, that the small difference in refran 
c 
