CARAUSIUS, our British Emperor, has not been too badly served by commentators. He first attracted the wayward and erratic genius of Stukeley, (I) then, after a long C interval, the solid and devoted labours of Webb. (2) Of Stukeley little can be retained beyond a handful of brilliant guesses. Webb, on the other hand, has laid the foundations of a ‘ Corpus ’ of the coinage and has succeeded in stating most of the problems of the reign and solving many of them. But still there is room for a history of Carausius, in which the very scanty literary evidence shall be reinforced by the evidence of the coins, when the pure gold has been extracted from the masses of rough ore. There is perhaps not a very great deal to add to Webb's materials, but a great deal of sorting remains to be done. Included in his lists are many coins of a more or less barbarous character—ancient, but the product of no regular mint. Inside each mint, the order of mint-marks must be established and the types classified under them ; only so can we venture to interrogate the types for their meaning. Here is a task of great interest and promise for a young scholar. No disparagement of Webb's fine work is implied. Books as good as his ought to have progeny.