Birds With Teeth
Two nineteenth century paleontologists, once friends and colleagues, become bitter enemies.
"But years ago, there was room for friendship. They talked for hours at Haddonfield, grinning in helpless academic passion and exclaiming at their own twin hearts. They ate breakfast together on a heap of rock in the marl pits, black bread and coffee as the sun swam into the sky. Cope in shirtsleeves, a boy's face, looking more like Marsh's son than his contemporary."