PREFACE AND INTRODUCTION ix 



have near relatives in other parts of the world, the Ethiopian species 

 belong to subgroups unrepresented elsewhere. 



So far as can be ascertained, most of these animals, inclusive of 

 the elephant, appear, however, to have been immigrants into Ethiopia 

 from south-western Asia, where remains of many of the generic types 

 are met with in a fossil condition. 



R. LYDEKKER. 



Harpenden Lodge, Herts, 

 July r, 1908. 



