Some of the acts which may be classed as vulgarities when committed in the presence of others are given:
To sit with your back to a person, without asking to be excused.
To stand or sit with the feet wide apart.
To hum, whistle or sing in suppressed tones.
To stand with the arms akimbo; to lounge or yawn, or to do anything which shows disrespect, selfishness or indifference.
To correct inaccuracies in the statements of others, or their modes of speech.
To use profane language, or stronger expression than the occasion justifies.
To chew tobacco and its unnecessary accompaniment, spitting, are vulgar in the extreme.
MISCELLANEOUS RULES.
A gentleman precedes a lady passing through a crowd; ladies precede gentlemen under ordinary circumstances.