The above depiction of the coat-of-arms of Joseph Lister is due to Stephen Plowman.
[ © 2004
Stephen Plowman. This
copyrighted image is
reproduced here by permission. ]
Ermine, on a fess invected Sable three mullets of six points Argent,
in chief a staff of Aesculapius erect Proper.
Crest :
A stag's head erased Proper, in front thereof three estoiles fesswise Argent.
Motto :
Malo mori quam foedari.
[I'd rather die than be disgraced.]
Baronet in 1883. Baron in 1897.

(*) The correct charge is a staff of Aesculapius (single serpent, symbol of medicine) not a caduceus (two serpents, symbol of commerce). The above references were kindly provided by Stephen Plowman.
- Harleian Society - Grantees of Arms (1687-1898)
Lister, Sir Joseph, Bart., of London, 1884, Vol. LXII, fol. 184;
Supporters (Baron Lister), 1897. Vol. LXIX, fol. 267.- Burke's General Armory - Supplement
Lister (Bart., of Park Crescent, m. Middlesex).
Erm. on a fess invected sa. three mullets ar. in chief a caduceus* ppr.
Crest-A stag's head erased ppr. in front thereof three mullets fesswise ar.
Motto-Malo mori quam foedari.
Wilipedia : Sir Joseph Lister, Bt. } Listerine