Celts Were A Tall and Fair People According to Ceasar
The Belgæ were tall and fair, and overran Gaul, except Aquitaine, mixing generally with the Celtæ, who in Cæsar's time had thus an infusion of Belgic blood. But before this conquest, the Celtæ had already mingled with the aboriginal dolichocephalic folk of Gaul, Iberians, or Mediterraneans of Professor Sergi. The latter had apparently remained comparatively pure from admixture in Aquitaine, and are probably the Aquitani of Cæsar.
Cæsar says the people who call themselves "Celtæ" were called Gauls by the Romans, and Gauls, according to classical writers, were tall and fair. Hence the Celtæ were not a short, dark race,
and Cæsar himself says that Gauls (including Celtæ) looked with contempt on the short Romans. Strabo also says that Celtæ and Belgæ had the same Gaulish appearance, i.e. tall and fair. Cæsar's statement that Aquitani, Galli, and Belgæ differ in language, institutions, and laws is vague and unsupported by evidence, and may mean as to language no more than a difference in dialects. This is also suggested by Strabo's words, Celtæ and Belgæ "differ a little" in language. No classical writer describes the Celts as short and dark, but the reverse. Short, dark people would have been called Iberians, without respect to skulls. Classical observers were not craniologists. The short, brachycephalic type is now prominent in France, because it has always been so, eliminating the tall, fair Celtic type. Conquering Celts, fewer in number than the broad and narrow-headed aborigines, intermarried or made less lasting alliances with them. In course of time the type of the more numerous race was bound to prevail. Even in Cæsar's day the latter probably outnumbered the tall and fair Celts, who had, however, Celticised them. But classical writers, who knew the true Celt as tall and fair, saw that type only, just as every one, on first visiting France or Germany, sees his generalised type of Frenchman or German everywhere. Later, he modifies his opinion, but this the classical observers did not do. Cæsar's campaigns must have drained Gaul of many tall and fair Celts. This, with the tendency of dark types to out-number fair types in South and Central Europe, may help to explain the growing prominence of the dark type, though the tall, fair type is far from uncommon