“Dilophosaurus,” the tape said, “is one of the earliest carnivorous dinosaurs. Scientists thought their jaw muscles were too weak to kill prey, and imagined they were primarily scavengers. But now we know they are poisonous.” “Hey.” Tim grinned. “All right.” Again the distinctive hooting call of the dilophosaur drifted across the afternoon air toward them. Lex shifted uneasily in her seat. “Are they really poisonous, Mr. Regis?” “Don’t worry about it,” Ed Regis said. “But are they?” “Well, yes, Lex.”
