Numa is creating 12 priests dedicated t Mars and explaining the rites they were to perform:
Salios item duodecim Marti legit caelestiaque arma, quae ‘ancilia’ appellantur, ferre ac per urbem saltare canentes carmina iussit.
Salios is the object of legit and iussit, right?
He also chose twelve Salii for Mars and ordered [them] to carry the celestial arms, which were called ‘ancilia’, and to dance singing incantations through the city.