December 18: edit
- 1832 - The HMS Beagle, carrying Charles Darwin on its second voyage, arrived at Tierra del Fuego. His encounters with the native Yaghan people would inflence his later views of human evolution.
- 1868 - Henry Woods was born in Cottenham, England.
- 1892 - Richard Owen died in London, England at age 88.
- 1903 - Robert Etheridge died in London, England.
Vertebral Pneumaticity in the Ornithomimosaur Archaeornithomimus (Dinosauria: Theropoda) Revealed by Computed Tomography Imaging and Reappraisal of Axial Pneumaticity in Ornithomimosauria
Akinobu Watanabe, Maria Eugenia Leone Gold, Stephen L. Brusatte, Roger B. J. Benson, Jonah Choiniere, Amy Davidson, Mark A. Norell
published 18 Dec 2015