These data led Witte to assume that the Celto-Roman natives of the plains were thrust back towards the mountains by the Alemannic invasion proceeding from the east. The designation “weiler,” which is also spelled “weyer,” “weyr” and “wir,” indicates the mountain sites to which the population of the plain was repelled by the Germanic flow. The Vosges mountains have thus been a place of refuge against Germanic aggression. Witte’s researches point to the probable peopling of the Alsatian slopes of the Vosges by tribes speaking a Romanic language during the invasions of Teutonic barbarians. The so-called Welsh element appears to be a Celto-Roman remnant of the population of the locality.[35]
The character of Alsace-Lorraine as a connecting region between two great European nations is shown also by demographic studies.[36] Life in the provinces is accompanied by conditions which prevail in Germany or France. The excess of births over deaths, which maintains itself on an average at about 10 per 1,000, is lower than in any other part of the German Empire. The rate of birth has decreased from 36 to 28 per 1,000 in spite of an increase in the population. The tendency of the inhabitants to emigrate is evinced by the large number of uninhabited houses. The decrease in the native population is largely due to the desire of many of the inhabitants to emigrate to French soil. In 1875 the proportion of native-born inhabitants amounted to 93 per cent of the total population. In 1905 it did not exceed 81 per cent. The strictly German element had grown from 38,000 in 1875 to 176,000 in 1905. Fully 90 per cent of these are native-born Prussians. Among them the teaching of French to children has increased. Molsheim, in Lower Alsace, and Ribeauvillé, in Upper Alsace, are centers for the study of French. In recent years German immigrants have become the preponderant element of the province.
Two methods of indicating the presence of a French element in Alsace-Lorraine are given in the accompanying map ([Pl. II]) of this region. The method of showing percentages according to administrative districts[37] has been contrasted with the plan of representing the actual extension of French predominance.[38] In one respect the map is illuminating. It shows the concordance of French and German authorities regarding the German character of the language spoken in Alsace, as well as the French nature of a substantial portion of Lorraine. The Rhine valley, a natural region, appears throughout as an area of German speech. The startling preference of Alsatians for French nationality cannot therefore be substantiated by geographical evidence. It suggests the persistent influence of the human will swayed by feelings of justice and moral affinity rather than by material considerations.
To primitive societies, a river as large as the Rhine provided almost as impassable a frontier as the sea itself. It had the advantage of being defined by nature. The boundary was actually marked on the ground. As frontiers of the Roman Empire, the Rhine and the Danube proved their practical value by the long period during which they marked the extent of imperial or republican domain. The history of oversea colonization indicates the partiality of colonial powers for rivers as boundaries. It is likely that in the very early period of man’s habitation of the earth, the tribes settled on either side of watercourses had little or no intercourse. As they advanced in civilization relations were developed. The divisive influence of running waters was therefore exerted most strongly at the dawn of human history. Later the river may become a link and finally may attain the stage when it is a rallying line for the activity and thought of the inhabitants of its entire valley.
The American Geographical Society of New York
Frontiers of Language and Nationality in Europe, 1917, Pl. II
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THE FRANCO-GERMAN LINGUISTIC BOUNDARY IN ALSACE-LORRAINE