30 A. W. Roberts —Variable Star observing and _ [ Oct. 28,. 
to make God’s firmament what it is, a thing of beauty and an. 
exquisite type of the order and harmony of the Eternal. 
ADDENDUM. 
SomME oF THE BetteR Known VARIABLES. 
R Scutrroris—R.A. 1» 22™ Dee. — 38° 7’, max.mag=5.7, min.=7°7.- 
This star has a period of about seven months. At 
present it is visible to the naked eye, but it is 
rapidly decreasing. A minimum may be expected 
in November. It is well situated for observation. . 
It is a very red star. 
Le Purris—R.A. 7" 10" Dec. — 44° 28’, max=3°6, min.=6°3. This 
star has a period of 136 days and at present it 
is descending to a minimum, which it will reach 
about the beginning of November. It will then 
be more favourably situated fer observation than 
itis now. Itis one of a group of variable stars. 
in this portion of the heavens. Next to the- 
regions round 6 Argus and 9 Scorpii the portion 
of the sky in the neighbourhood of L, Puppis 
is the most crowded in the Southern Heavens. 
R Carmi2z—R.A. 9 29™ Dec. — 62° 18. max,=4'3, min. 9°3. The- 
period of this celebrated variable is about 313. 
days, but itis no doubt variable. Special attention 
bas been given to it by Mr. Tebbutt, Windsor, 
N.S.W. It ceased to be visible ina 1-in. glass 
on the 3rd of June. Its nearness to the meridian 
prevented the obtaining of a minimum period... 
Tt is now increasing in brilliancy, and a maximum 
may be expectedin January, 1892. The change. 
in colour of this star has already been referred to. 
7 Cartina—R.A. 9" 42™ Dec. — 61° 57’, max. 3°7, min. 5°2. Obser-- 
vations here give a period of 388+1 days. Maxima 
were observed on April 28rd, May 29th, and July 
6th. All the variations are visible to the naked’ 
eye and are most interesting from the chain of 
stars that lie alongside it with which its variation. 
may be easily compared. 
A maximum of 38°5 was observed on April 23rd, 
