390 Scientific Intelligence. 
the results of observations of the zodiacal light at Rio Janeiro 
and at various places upon the high plateaus of the interior of 
Brazil. Mr. Liais finds that the light is visible as far as the antic 
solar point of the heavens. Polariscopic observations have not 
enabled him to discover any trace of polarization. 
aid of the spectroscope, and has found that it gives a s 
apparently continuous, though, perhaps, containing dark lines. 
These results would indicate that the light is derived from the 
e ee 
acal light, its gaseous condition being a result of its proximity 0 
The observations of Janssen during the recent solar pies 
of interest here, as confirming the polarization of the corona, # 
showing that it emits light giving a continuous spectrum a 
the solar dark lines. ; | 
supe me 
the spectrum of the zodiacal light, as, if the latter is really prec 
uous, it would be extremely feeble when observed with an! Be 
through the sun. This observation was 
the same party, wh t +i aha 
the dark bands distinctly. On the following nah waght he 
was visible but less brilliant than before, and Secchi t ‘a age 
detected faint bands on viewing it with a Savart, but those 
: : ition to the 
sure of his obse These results are in opposition ¢ 
rvation. ‘ther from 
of M. Liais, and indicate that the light is reflected, either 
