After them came a single dark, great shape, almost as huge, a great reptilian form whose huge paws gleamed with mighty claws, whose broad-gaping mouth showed immense fangs, leaping forward in quick, gigantic hops like some giant toad, its small eyes glittering in the flame-light of the burning buildings. In a moment it had whirled past Rowan in a series of mighty hops and he glimpsed it farther up the street, pouncing upon the few surviving little figures who ran screaming for shelter, inconceivably swift and catlike in its resistless rushes. And as Rowan saw it leaping on he felt reason deserting him. "God!" he whispered. "A tyrannosaurus!" Crouched there at the street's edge he huddled, the buildings around him a storm of leaping flame, while down through that lane of fire there thundered into the town from the east the creatures of a long-dead age, the mighty beasts of earth's youth extinct for millions of years. Rowan was never afterward able to recall all that he saw and heard in the minutes that he crouched there. He knew that other brontosaurs rumbled past, bellowing, ridden by the lizard-creatures whose pale rays swept and stabbed in great circles of fiery destruction; that other tyrannosaurs swept by with swift and mighty leaps, pawing human victims from the wreckage at the street's sides, pouncing and whirling like gigantic cats; that other colossal reptilian shapes, their mighty, curving backs armored by great, upstanding plates, rushed past like great battering-rams of flesh and bone, crashing into buildings and through walls as though of paper, great stegosaurs that thundered on after the others who carried annihilation and death across the town; that still other huge rhinoceroslike shapes galloped past, triceratops who crashed resistlessly on with lowered heads, impaling all before them on their three terrible horns. All of these Rowan saw, dimly, as though from a great distance, while in his ears beat all the vast roar of sound from the stricken town around him, screams and shouts and hissing cries and vast bellows, roar of flame and crash of falling walls. The great wave of destruction, the mass of the attacking monsters, had swept past and was rolling now over the town toward the west, but still Rowan crouched, motionless. Then behind him was a mounting roar of swiftly catching flame, and out toward him crept little tongues of red fire as the walls between which he crouched began to burn. Then, at last, Rowan rose to his feet and staggered out into the street.