TOTAL ECLIPSE OF THE SUN, JANUARY 22, 1898. 
203 
Among the shortest arcs are those corresponding to the carbon group at X 3883. 
The perfect correspondence of the five heads of the carbon band with the chromo¬ 
spheric arcs is demonstrated by the comparison given in fig. 7, in which the 
coincidences of K and a few other lines are also shown. 
Comparison of Chromospheric and Fraunhofer Lmes. 
As in the case of the photographs taken with the prismatic cameras in 1893 and 
1896, the spectrum of the chromosphere in 1898 is very different from the Fraunhofer 
spectrum, so that we have not to deal with a mere reversal of the dark lines of ordinary 
sunlight into bright ones. (See fig. 8.) 
Many very strong chromospheric lines, as the helium lines for example, are not 
represented among the Fraunhofer lines, while many Fraunhofer lines are absent from 
the chromospheric spectrum. 
Fig. 8. Spectrum of Chromosphere as photographed during Eclipse compared with Fraunhofer lines. 
The conclusion at which I had already arrived, that the chromosphere is not the 
seat of the Fraunhofer absorption, thus receives further confirmation. 
Table of Chromospheric Radiations. 
A complete list of the lines which have been measured in the spectrum of the 
chromosphere, with their origins, so far as they have at present been investigated, is 
given in f he table at the end of this report. 
The distribution of the lines throughout the spectrum may be summarised as 
follows• 
2 D 2 
