thumb|right|upright=1.0|Map of the obsolete constellation Quadrans Muralis in relation to the modern constellations|alt=The obsolete constellation Quadrans Muralis was composed of the faint stars above Boötes.
left|thumb|upright=1.0|Quadrans Muralis can be seen at the top left of this 1825 star chart from [[Urania's Mirror.|alt=Highly artistic star chart imaging Boötes with his dogs (Canes Venatici, long flowing tresses of hair (Coma Berenices), and the Quadrant at the top]]
Quadrans Muralis (Latin for mural quadrant) was a constellation created by the French astronomer Jérôme Lalande in 1795. It depicted a wall-mounted quadrant with which he and his nephew Michel Lefrançois de Lalande had charted the celestial sphere, and was named Le Mural in the French atlas.
- CL Draconis was the brightest star of Bode's version of the constellation.