ERRATA in the Orientation and Order of the Plates, 
PLATES L., iv., viil., ix., Xi., Xii., xiii. /Vor¢’ point at the bottom ; Soz¢/ at the top; 
West to the left hand; £as¢ to the righthand. This corresponds to the 
orientation of the object as viewed in an astronomical telescope. 
PLATES y., vi., x.—JVorth point at top; Sow at bottom; Las¢ to the left hand; 
West to the right hand. ; 
PLATE ii.—for M 13 Herculis read M 15 Pegasi. Vorth point is midway 
between bottom and left hand; Sow/i midway between top and right 
hand; Vest between top and left hand; Las¢ between bottom and 
right hand. 
PLATE iji.— for M 15 Pegasi read M 13 Herculis. orth point is at right-hand 
side; South at the left hand; West at the bottom; /as¢ at the top. 
PLATE viil.—/Vorth point is midway between bottom and left-hand side; Sozth 
between top and right hand; Wes¢ between top and left hand; Zas¢ 
between bottom and right hand. 
