Twelfth Thousand. Demy 4to. boards, price 5s. 
IALF-H00RS WITH THE STARS 
A Plain and Easy Guide to the Knowledge 
of the Constellations. 
HOWIKG IN TWELVE MAPS THE POSITION OF THE PRINCIPAL STAR-GROUPS 
NIGHT AFTER NIGHT THROUGHOUT THE YEAR. 
i'ITII INTRODUCTION AND A SEPARATE EXPLANATION OF EACH MAP. 
By R. A. PROCTOR, B.A., F.R.A.S. 
Author of ‘ Half-Hours with the Telescoped 
PECIMEN of MAPS (Size Reduced to One-Sixth). 
I fov. 22, at 10 o’clock. 
I „ 25, „ 9| „ 
\ » 29, „ 9^ „ 
xii. 
Dec. 3, at 9J o’clock. 
,, 7, ,, 9 ,, 
„ 10, „ 8f „ 
Dec. 14, at 8-J o’clock. 
„ 17, „ „ 
„ 21 , „ 8 „ 
EAR. 
TRUE 
FOR 
EVERY 
YEAR. 
London: DAVID BOGUE, 3 St. Martin’s Place, W.C. 
