Having now given a sketch of the chief features presented by man and his surroundings during the reindeer epoch; having described the most important objects of his skill, and dwelt upon the products of his artistic faculties; it now remains for us to complete, in a scientific point of view, the study of this question, by notifying the sources from which we have been able to gather our data, and to bring home to our minds these interesting ideas. Under this head, we may state that almost all the information which has been obtained has been derived from caves; and it will, therefore, be best to make a few brief remarks on the caverns which have been the scene of these various discoveries. Honour to whom honour is due. In mentioning these localities, we must place in the first class the settlements of Périgord, which have contributed to so great an extent towards the knowledge which we possess of primitive man. The four principal ones are, the cave of Les Eyzies and the rock-shelters or caverns of La Madelaine, Laugerie-Haute, and Laugerie-Basse. All of them have been explored by MM. Lartet and Christy, who, after having directed the excavations with the greatest ability, have set forth the results of their researches in a manner no less remarkable.[11] The settlement of Laugerie-Basse has also been explored by M. de Vibraye, who collected there some very interesting specimens. We have no intention of reverting to what we have before stated when describing the objects found in these various localities. We will content ourselves with mentioning the lumbar vertebral bone of a reindeer found in the cave of Eyzies, of which we have given a representation in fig. 55; it was pierced through by an arrow-head, which may still be seen fixed in it. If any doubts could still exist of the co-existence, in France, of man and the reindeer, this object should suffice to put an end to them for ever. We will mention, as next in importance, the cave and rock-shelters at Bruniquel (Tarn-et-Garonne). They have been carefully examined by a great many explorers, among whom we must specify M. Garrigou, M. de Lastic (the proprietor of the cavern), M. V. Brun, the learned Director of the Museum of Natural History at Montauban, and M. Peccadeau de l'Isle. It is to be regretted that M. de Lastic sold about fifteen hundred specimens of every description of the relics which had been found on his property, to Professor Owen, for the British Museum. In this large quantity of relics, there were, of course, specimens which will never be met with elsewhere; which, therefore, it would have been better in every respect to have retained in France. The cave of Bruniquel has also furnished us with human bones, amongst which are two almost perfect skulls, one of which we have previously represented; also two half jaw-bones which resemble those found at Moulin-Quignon. M. V. Brun has given, in his interesting work, a representation of these human remains.[12]