The Ancient Fauna of Essex. 17 of things in Central France. There the old cave-folk lived, apparently, upon the Horse and the Reindeer equally, for from their remains it is quite evident they must have hunted them season and season about. It is interesting to notice that the remains of these animals are spread over all the metropolitan area, even beneath the ground upon which the New Natural History Museum is built. Beneath us is the old river-valley gravel of the Thames, and in it were found remains of the Mammoth and the Ox. In Gray's Inn Lane the skeleton of a Mammoth and a palaeolithic flint implement were Fig. 8.—Skull and lower jaw of Rhinoceros leptorhinus, Owen, from the Pleistocene Brick-earth of the Thames Valley, at Ilford, Essex. The . original, from the collection of the late Sir Antonio Brady, F.G.S., is now in the British Museum. See Geol. Mag. 1874. Decade II., vol. i., p. 398, pl. xv. [This woodcut is obligingly lent by Messrs. Cassell & Co., from their 'Natural History,' vol. ii., p. 334.] found associated together. In Piccadilly, close to where Burlington House stands, the remains of Hippopotamus were found; and also at Peckham and at Woolwich, and all along the Thames, their remains are more or less abundant. In the Museum there is a very perfect skull of Rhinoceros leptorhinus, found at Ilford (fig. 8). Three species of Rhinoceros occur in these old brick-earths, the Woolly Rhinoceros which belonged to the northern fauna came south,