VI PREFACE 



the Hon. Ivor Montagu, who made a special examination of 

 the great collections in Leningrad, and collected important 

 material in the Caucasus. 



The drawings of skulls have been made by Mr. Terzi; those 

 of the teeth are by the author. The index has been prepared by 

 Miss N. S. Kaye. 



C. Tate Regan 



(Keeper of Zoology). 



British Museum {Natural History), 

 June, 1926. 



