PAICTIDÆ, ii. [298]
Palæarctic region, ancient limits of, ii. [157]
defined, i. 171
subdivisions of, i. 71
general features of. i. 180
zoological charcteristics of, i. 181
has few peculiar families, i. 181
mammalia of, i. 181
birds of, i. 182
high degree of speciality of, i. 184