Abstract
A NEW emission line near 6708 A. has been reported recently by Delannoy and Weill1 to be present on twilight spectrograms obtained in Adelie Land, Antarctica, during October 1957. Gadsden and Salmon2 also report the appearance of the same line in twilight spectra photographed at Hallett Station, Antarctica, during August, 1958, and at Invercargill, New Zealand, on September 5, 1958. In both instances, the authors attribute the new line to resonance radiation from the 22S—22P transition in the neutral lithium atom at 6707.8 A.
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