I n the year 1878 Mr. H. B. Woodward, of the Geological Survey, obtained from the Norwich Crag at Thorpe, near Norwich, a fragment of a horn-core closely resembling the corresponding part of a Goat; and although the genus was not known to occur in beds of undoubted Pliocene or Pleistocene age in Britain, I felt justified in calling attention to it by inserting “Capra?” in the list of Mammals from these beds, which appeared in the Survey Memoir ‘On the Country around Norwich’ (1881), p. 55. More recently my colleague has been fortunate enough to get another and much more perfect horn-core from the same place. As will be seen from the description given below, there can be no question as to the close relationship of this specimen to the Antelopes, and more especially to the Gazelles ; but it is not certain that the first-found of these horn-cores belongs to the same genus as the second; indeed, the slight impressions of the brain convolutions, which are traceable on the inner wall of the frontal bone, seem to indicate a greater complexity of these parts than is found in the second specimen. However, seeing that we now have undoubted evidence of an Antilopine form occurring in these deposits, it will perhaps be better to refer the less perfect specimen to the Antilopidæ, and not to the genus Capra . The second and more perfect specimen (Pl. XIV. fig. 1) consists of a right horn-core with its frontal bone and a fragment of