the now celebrated General Faidherbe "speaks of three thousand tombs in the single necropolis at Roknia, and of another equally extensive within a few leagues of Constantine."[1] An excellent résumé of the whole subject will be found in the Norwich volume of the International Prehistoric Congress, by Mr. Flower. From all these we gather a fair general idea of the subject, but, unfortunately, none of the memoirs are written by persons combining extensive local experience with real archæological knowledge, except, perhaps, Mr. Flower. No plan of any one group has yet been given to the world, nor are any of the monuments illustrated with such details and measurements as would enable one to speak with certainty regarding them. This is especially the case with those represented in the 'Exploration scientifique de l'Algérie,' published by the French Government. There are in this work numerous representations of dolmens carefully and beautifully drawn, but very seldom with scales attached to them; and as no text has yet been published, they are of comparatively little value for the purposes of research. Had Mr. Christy lived a little longer, these deficiencies would doubtless have been supplied; but, unfortunately, his mantle has not fallen on any worthy successor, and we must wait till some one appears who combines leisure and means with the knowledge and enthusiasm which characterized that noble-minded man.
It need hardly be added that no detailed map exists showing the distribution of the dolmens in Algeria,[2] and as many of the names by which they are known to French archæologists are those of villages not marked on any maps obtainable in this country, it is very difficult to trace their precise position, and almost always impossible to draw with certainty any inferences from their distribution. In so far as we at present know, the principal dolmen region is situated along and on either side of a line drawn from Bona on the coast to Batna, sixty miles south of Constantine. But around Setif, and in localities nearly due south from Boujie, they are said to be in enormous numbers. The Commandant Payen reports the number of menhirs there as not less than ten
