ASTRONOMICAL NOTES. OBSERVATORY OF VASSAR COLLEGE. Positions of Planets for March 1875. Mercury. Venus. Mars. Jupiter. Saturn. Utilization of Exhaust Steam. Sleeplessness. Good Words for the 'Science Record.” 4. Ltiranus. Neptune. Sun Spots. Can Ants Talk? New Telegraph Alphabet., scientific american, 75-03-13

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ASTRONOMICAL NOTES. OBSERVATORY OF VASSAR COLLEGE. Positions of Planets for March 1875. Mercury. Venus. Mars. Jupiter. Saturn. Utilization of Exhaust Steam. Sleeplessness. Good Words for the 'Science Record.” 4. Ltiranus. Neptune. Sun Spots. Can Ants Talk? New Telegraph Alphabet., scientific american, 75-03-13

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