EVOLUTION OF ELEPHANTS 327 



of a Hyrax, much larger than the conies of our day and more 

 nearly related to the early forms of Proboscidea.* 



The chain of development of the prehistoric-elephant 

 species of the Old World has long been the subject of dis- 

 cussion among palaeontologists.! One point, however, seems 

 to be regarded as fairly well established, namely, that the 

 living African species does not appear to be directly related 



The Manatee, Manatus australis, after Brehm. 



— ^From Richard S. Lull, "Evolution of the Elephant." 



to any of those of which fossil remains have been found, and 

 that the question regarding its origin is as yet unsolved. 



With the Indian elephant and the extinct species of 

 European elephants, the case is different, and it is possible 

 to gain a general idea at least of the different links in the 



♦Richard S. Lull, op. cit., pp. 1, 2, 9, Figs. 1 and 2. 



fFor a satisfactory statement of the results and theories connected with the subject, see 

 W. Soergel, "Die Stammesgeschichte des Elephanten," in Centralblatt fiir Mineralogie, 

 Geologie, und Palaontologie, Nos. 6, 7, 8, and 9, March 15, April 1, April 15, and May 1, 

 1915. 



