AMERICAN 
JOURNAL OF SCIENCE AND ARTS. 
[THIRD SERIES] 
Art. XXXVIIL— Observations on the Displacement of lines in the 
Solar Spectrum caused by the Sun’s rotation; by Professor 
C. A. Youne, of Dartmouth College. 
[THE substance of this paper was read at the Buffalo Meeting 
of the American Association for the Advancement of Science, 
7 
ior astronomers, it has produced a wide-spread distrust, whic 
of the latter s 
sh Z Christie, recently published in the Monthly Notices, 
eae the substantial agreement of the results obtained by 
different observers after they had learned the delicate pre- 
essenti 
; ] 
~ertainly it seems little short of self-evident that, whenever a 
vhs 's communicating periodic vibrations to any medium 
— and, by means of this medium, transmitting them to 
Ware e point at a distance, then the frequency, or virtual 
An 1 uth; Of these pulses received at the second point must 
- Jour, ooectaee i Vou. XII, No. 71.—Nov., 1876. 
