The second station, a mile farther on, was similar except that there were more trees and fewer scrub palms. Rick identified one giant tree as mahogany.

They strode up the trail, grimly determined to find the geologist. One more station remained ahead. Rick doubted that he had gone farther than that. He wiped his streaming face and squinted his eyes to protect them from the whining gnats. They swarmed around but didn't seem to sting or bite. He was grateful for that much.

Suddenly Scotty let out a warning gasp. The dark-haired boy threw himself sideways, on top of Rick, and the two of them crashed to the ground.

"Roll away," Scotty said urgently. "Back! Hurry!"

The ground opened up a few feet away. Rick felt a giant hand pick him up, shake him, then slam him into a palmetto. Bruised and dazed, he grabbed the palmetto for support and lacerated his hands on the rough covering. He slid to the ground, consciousness slipping from him.

For a moment Rick lay slumped at the base of the palmetto. He didn't lose consciousness completely, but he was stunned and unable to function either mentally or physically. He had neither sight or hearing for the first few seconds, then these faculties slowly returned. He became aware that he was looking down at a broad green leaf, and that the leaf was gradually turning crimson.

He watched, his vision clearing, and suddenly realized that the red pigment was dripping onto the leaf in a steady series of drops that was almost a stream. At almost the same instant he knew that the red was blood and that it was his. He shook his head to clear it, and the red spray flew from side to side. Through the periphery of vision he saw that it was coming from his nose.

Rick realized that he was on his hands and knees. He rose to a kneeling position and fished for his handkerchief. He put it to his nose and it came away stained red. He sighed with relief. Nosebleed. For a moment he had wondered. . . .

A few feet away Scotty was slowly stretching one limb after another, checking to be sure he was functioning. Satisfied, the ex-Marine sat up, with some effort. Rick saw that his nose was bleeding, too.

"You've got a nosebleed," Rick said faintly.