The importance of these crawling creatures must have been vast, for they held first place among the wild designs on the frescoed walls and ceiling. With matchless skill had the artist drawn them in a world of their own, wherein they had cities and gardens fashioned to suit their dimensions; and I could not help but think that their pictured history was allegorical, perhaps showing the progress of the race that worshipped them. These creatures, I said to myself, were to the men of the nameless city what the she-wolf was to Rome, or some totem-beast is to a tribe of Indians.