Calidius
Person
Civil War 1.2 supplies the first indexed source portrait: “… Some had expressed less rigorous views, such as M. Marcellus, who at first embarked on a speech to the effect that the question ought not to be referred to the senate till levies had been held throughout Italy and armies enrolled under whose protection the senate might venture to make such decrees as it wished safely and freely; such, too, as M. Calidius, …”
Named form in selected editions; identity established only to the extent of the cited context.
Civil War 1.2
Caesar
… Some had expressed less rigorous views, such as M. Marcellus, who at first embarked on a speech to the effect that the question ought not to be referred to the senate till levies had been held throughout Italy and armies enrolled under whose protection the senate might venture to make such decrees as it wished safely and freely; such, too, as M. Calidius, who expressed the opinion that Pompeius should go to his own provinces in order that there might be no motive for hostilities: Caesar, he said, was afraid lest it should be thought that Pompeius, having extorted two legions from him, was holding them back and retaining them near Rome with a view to imperilling him; such also as M. Rufus, who with a few modifications followed the opinion of Calidius. …