THE RACIAL GEOGRAPHY OF EUROPE. 



445 



doliclioceplialy ; for two very light-colored areas surround each 

 city, the two being separated by a narrow strip of darker tint 

 upon our map. Along this latter line the cephalic index rises ap- 

 preciably. Thus, for example, while only 78 about Limoges, and 

 76 or 77 in Dordogne, it rises on this boundary line to 80 and 81. 

 In other words, a bridge of relative broad headeduess cuts across 

 the map, setting apart the descendants of the Lemovices, at Li- 

 moges, from those of their contemporaries, the Petrocorii, about 

 Perigueux. This means that we have to do with two distinct 

 spots of long-headedness a small one about Limoges, and a major 



STATURE 



Ll/v\6v/^l/\I 



After Colli gnon 



one extending all about Pc'rigueux and Angouleme. There can 

 be no doubt about this division. The boundary is a purely natu- 

 ral one, and deserves a moment's attention. 



This frontier between Haute- Vienne and Dordogne lies along 

 the crest of the so-called "hills of Limousin," made familiar to us 

 already in another connection. It marks the watershed between 

 the two great river systems of western France, the Garonne and 

 the Loire. Our stature map of Limousin indicates the courses of 

 these streams. Here is a true parting of the waters ; for the 

 Charente flows directly to the sea on the west; the affluents of 

 the Loire run to the north ; and the Vezere, part of the system 

 of the Garonne, to the south. These hills of Limousin are the 

 western outposts of the granitic area of Auvergne; and just here 



