ii. 249
_Daudebardia_, ii. 516
David, Père, his researches in China and Thibet, i. 221, 222 on birds of N. China, i. 226
_Debis_, ii. 471
Deer, fossil in N. American Tertiary formations, i. 138 Palæarctic, i. 182 probable cause of absence from tropical Africa, i. 291