NATURAL 
HISTORY Vol. 90, No. 9, September 1981 
American Museum of Natural History 
Robert G. Goelet, President 
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Natural History (ISSN 0028-0712). incorporating 
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4 Authors 
6 A Matter of Lights and Death John C. Avise and Robert L. Crawford 
On overcast nights, tower beacons hold a fatal attraction 
for many birds. 
16 This View of Life Stephen Jay Gould 
Quaggas, Coiled Oysters, and Flimsy Facts 
30 Bios David L. Mulcahy 
Rise of the Angiosperms 
36 Monkey Moves £. D. Starin 
While a female red colobus monkey can switch troops easily, 
the same move can be fatal for a male. 
44 Saturn’s Suprises Andrew P. Ingersoll 
Secret "pushers" help form its many rings. 
54 Art of the Rain Forest Sally Price and Richard Price 
Slavery and a century of warfare did not destroy the vibrant 
creativity of Suriname's Maroons. 
64 The Tibet Connection Elmar R. Reiter 
Our daily weather is influenced by the high land masses of Asia. 
72 At the American Museum 
Mastodon Memories 
16 The Tourist as Pilgrim Colin Turnbull 
Holy Places and People of India 
82 Celestial Events Thomas D. Nicholson 
88 Additional Reading 
92 Books in Review Stephen Jay Gould 
Darwin 's Creatures 
98 A Matter of Taste Raymond Sokolov 
Roots 
Cover: A male red colobus monkey, about three years old, faces perils, rejection, and 
even death if he leaves his troop in The Gambia of West Africa. Photograph by E. D. 
Starin. Story on page 36. 
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