When the cataplasm was ready, a scruple of _decorum_ had unseasonably rose up in _Susannah's_ conscience about holding the candle, whilst _Slop_ tied it on; _Slop_ had not treated _Susannah's_ distemper with anodynes, --and so a quarrel had ensued betwixt them.

When Dr Slop's cataplasm, or poultice, was ready, an untimely scruple of decorum made Susannah refuse to hold the candle, whilst Slop put the cataplasm on. Slop had not given Susannah any pain relief for her distemper, and so a quarrel had strung up betwixt them.
