The speaking impulse seemed to falter here, as if some frightful psychic struggle were going on. Henry Wheeler strained his eye at the telescope, but saw only the three grotesquely silhouetted human figures on the peak, all moving their arms furiously in strange gestures as their incantation drew near its culmination. From what black wells of Acherontic fear or feeling, from what unplumbed gulfs of extra-cosmic consciousness or obscure, long-latent heredity, were those half-articulate thunder-croakings drawn? Presently they began to gather renewed force and coherence as they grew in stark, utter, ultimate frenzy.