Christine 

 Janis's interest 

 in paleontology 

 was sparked at 

 age seven by 

 the movie Fan- 

 tasia. She cred- 

 its her choice 

 of career to an 

 inability to out- 

 grow a child- 

 hood love of 

 dinosaurs and 

 horses. Now an 

 associate professor of biology at Brown 

 University, Janis (page 78) has numerous 

 research interests, including the correla- 

 tion between morphology and behavioral 

 ecology in living and extinct mammals. 

 Her prime interest is in fossil ungulates, 

 although with a horse bam in her back- 

 yard and, in years past, hyraxes in her 

 house, she can claim a healthy interest in 

 hving ungulates as well. Janis is shown 

 here with a puppet of her favorite fossil 

 mammal, Sindairomeryx (in truth, it's a 

 moose transformed). 



In the mid-1980s, Blaire Van Valken- 

 burgh (page 84) was in the process of ex- 

 amining carnivore skulls for her doctoral 

 dissertation when she noticed that many 

 of the predators had unusually high num- 

 bers of broken teeth. She decided that this 

 finding deserved to be investigated in 

 more detail, and after receiving her de- 

 gree from Johns Hopkins University, she 

 continued to study tooth breakage, and 

 feeding behavior in general, in Hving and 

 extinct large carnivores. Now an associate 

 professor of biology at UCLA, Van 

 Valkenburgh has a laboratory a few miles 

 from the downtown Los Angeles site of 

 La Brea, the tar pits where so many Pleis- 

 tocene herbi- 

 vores met a 

 sticky end and 

 so many carni- 

 vores broke 

 their teeth. She 

 has done field- 

 work in East 

 Africa and 

 Chile and plans 

 to study the 

 evolution of 

 canids — mem- 

 bers of the dog 

 family — in 

 South America. 



VOYAGE 

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107 



