characterisation of the twenty-nine races which are therein mentioned—Classification of ethnic groups adopted in this work.

CHAPTER IX. RACES AND PEOPLES OF EUROPE 299 Problem of European ethnogeny—I. ANCIENT INHABITANTS OF EUROPE—Prehistoric races—Quaternary period—Glacial and interglacial periods—Quaternary skulls—Spy and Chancelade races or types—Races of the neolithic period—Races of the age of metals—Aryan question—Position of the problem—Migration of European peoples in the historic period—II. EUROPEAN RACES OF THE PRESENT DAY—Characteristics of the six principal races and the four secondary races—III. PRESENT PEOPLES OF EUROPE—A. Aryan peoples: Latins, Germans, Slavs, Letto-Lithuanians, Celts, Illyro-Hellenes—B. Anaryan peoples: Basques, Finns, etc.—C. Caucasian peoples: Lesgians, Georgians, etc. CHAPTER X. RACES AND PEOPLES OF ASIA 359 ANCIENT INHABITANTS OF ASIA.—Prehistoric times—Pithecanthropus erectus (Dub.)—Ages of stone and metals.—PRESENT INHABITANTS OF ASIA.—Races of Asia—I. Peoples of Northern Asia—Yeniseian, Palæasiatic and Tunguse groups.—II. Peoples of Central Asia—Turkish, Mongolian, and Thibetan groups—Peoples of the south-west of Thibet and of South China (Lolo,