Weisburd, Stefi. “Forests Made the World Frigid?”Science News131 ( January
3,1987): 9.
Westenberg, Kerri. “From Fins to Feet.”National Geographic195 (May 1999):
114–127.
Zimmer, Carl. “Coming onto the Land.”Discover16 ( June 1995): 120–127.
PERMIAN REPTILES
Berman, David S., et al.“Early Permian Bipedal Reptile.”Science290 (Novem-
ber 3,2000): 969–972.
Crowley,Thomas J., and Gerald R. North.“Abrupt Climate Change and Extinc-
tion Events in Earth History.”Science240 (May 20, 1988): 996–1001.
Erwin,Douglas H. “The Mother of Mass Extinctions.”Scientific American 275
(July 1996): 72–78.
Fields, Scott. “Dead Again.”Earth4 (Apr il 95): 16.
Kerr, Richard A. “Biggest Extinction Looks Catastrophic.”Science280 (May
15,1998): 1007.
———. “Life’s Winners Keep Their Poise in Tough Times.”Science 278
(November 21, 1997): 1403.
Monastersky, Richard.“Death Swept Earth at End of Permian.”Science News
153 (May 16, 1998): 308.
Murphy, J.Brendan, and R. Damian Nance. “Mountain Belts and the Super-
continent Cycle.”Scientific American266 (April 1992):84–91.
Pendick, Daniel.“The Greatest Catastrophe.”Earth6 (F ebruary 1997): 34–35.
Raup, David M. “Biological Extinction in Earth History.”Science231 (March
28,1986): 1528–1533.
Shell, Ellen Ruppel. “Waves of Creation.”Discover14 (May 1993): 54–61.
Waters,Tom. “Death by Seltzer.”Discover18 ( January 1997): 54–55.
TRIASSIC DINOSAURS
Benton, Michael J. “Late Triassic Extinctions and the Origin of the
Dinosaurs.”Science260 (May7,1993): 769–770.
Buffetaut, Eric, and Rucha Ingavat. “The Mesozoic Vertebrates of Thailand.”
Scientific American253 (August 1985):80–87.
Burgin,Toni, et al. “The Fossils of Monte San Giorgio.”Scientific American 260
(June 1989): 74–81.
Fischman, Joshua. “Paleontologists Examine Old Bones and New Interpreta-
tions.”Science262 (November 5, 1993): 845.
BIBLIOGRAPHY