Piysics and Chemistry. 401 
SCIENTIFIC INTELLIGENCE. 
I, PHYSICS. 
1. Observations on the protuberances of the Sun.—ZobtLner has 
given in the paper 
from which this abstract is taken. The author states that by this 
in ph 
of eruptions of volcanoes or of hot springs. Zdllner suggests that 
i the same time all the 
protuberances as in the case of a total eclipse. In conclusion ibe 
Spectrum were crossed by the straight paths of rapidly following 
electric discharges, This phenomenon would be explained by 
the images pass rapidly before the slit of the pe they 
—- ith flashing lines—Pogg. Ann., cxxxvil, 624, 
oot G 
2. Ona method of viewing the solar prominences without an 
eclipse.—Mr. Huaatns has also given a method of observing a so- 
lar prominence with a spectroscope. This method consists in plac- 
ig a narrow slit behind the train of prisms before the object glass 
