ae 
THE 
AMERICAN 
JOURNAL OF SCIENCE AND ARTS. 
[SECOND SERIES.] 
Art. XXXIV.—Physical Aspects of the Comet IT, 1861; by 
Commr. J, M. Giiuiss, Supt. U. S. Naval Observatory. 
THE comet was first noticed on the evening of the 80th of 
June at 104 o'clock. At that time a bank of clouds obscured 
ulsating light extendin 
am. 
ber of luminous and vapory floceuli ly 
ridian, and near the prime vertical. 
about the same hour or a little later, it was again 
but whilst the change of 
Place was evident, there was no reason to suspect it a celestial 
body. Ata later hour its character was no longer doubtful. 
the nucleus of the comet was 
ic int the tail 
proceeded in two branches. The first one slightly curving to- 
Maj yr at most 10° in 
72 Herculis 
borhood of 68 and culls, night it seemed to 
wo stars of Draco 
mentioned above. _ ) 
Ane ote, GotiBacony Sunrks, Vor. XXXII, No. 06—Nov., 1261 
a 
