Haverfield, 'Ant.' p. 147.
See 'Corpus Inscript. Lat.' Vol. VII.
A specially interesting touch of this old country house life is to be seen in the Corinium Museum at Cirencester—a mural painting whereon has been scratched a squared word (the only known classical example of this amusement):
ROTAS
OPERA
TENET
AREPO
SATOR