78 W. Huggins on the Spectra of some of the Nebula. 
Besides these lines, an exceedingly faint spectrum was just 
perceived for a short distance on both sides of the group of 
bright lines. I suspect this is not uniform, but is crossed with 
dark spaces. Subsequent observations on other nebule induce 
me to regard this faint spectrum as due to the solid or liquid 
matter of the nucleus, and as quite distinct from the bright lines 
into which nearly the whole of the light from the nebulz is con- 
centrated. The color of this nebula is greenish blue. 
h 
small; round.] This nebula is less bright than those ’ which: 
have been described. The two brighter of the lines were well 
defined, and were directly compared with the induction spark, 
The third line was seen only by glimpses. I hada suspicion of 
an exceedingly faint spectram. The color of this nebula is 
reenish blue. Lord Rosse remarks, ‘‘ Center rather dark. The 
: — is a little north preceding the middle. i 
(1H. IV. An exceedingly interesting object in Aquarius. 
Planetary ; very bright; small; elliptic.] The three bright 
