 How do Formians communicate with each other?
The university authorities will express no opinion as to whether or not these messages come from Mars. 11 He dreaded the paralyzing bite which Formians usually administer to their victims, and which he had twice experienced in the past; but, fortunately, it was not now forthcoming. In either event, how had they been able to reconquer Cupia? These and a hundred other similar questions flooded in upon the earth-man, as the Formian airship carried him, a captive, through the skies. Apparently a few survivors of the accursed race of Formians were consolidating their position and attempting to build up a new empire in some out-of-the-way portion of the continent. Whence come all you Formians, whose race I thought had been exterminated?
 Via antenna
 Via pencil and paper  Via radio  Via Morse code  Via antenna