558 THE AGE OF MAMMALS 



SuBFAM. Rhinocerotinse. llhinocerotines. 



RJdnoccrns. Indian One-horned Rhinoceros. Himalayas to Str. 

 of Malacca, Java. (Plioc, As.) 



' Cerator/tinus' (=z Dicerorhinus). Siimatran Two-horned Rhi- 

 noceros. Burma to Borneo. (L. Mioc, Eur.) 



^Atelodus' (= Diceros). African Two-horued Rhinoceros. E. & 

 S. Afr. (U. Mioc, Eur.) 



SuBFAM. Elasmotheriinaj. Elasmotheres. 



f EldKmotherium. Pleist., Eur. & As. 



XVII. Ordkk ANCYLOPODA. Ancylopods.i 

 Fam. Chalicotheriidae. Chalicotheres. 



■[• Pernallierinin. U. Eoc, Eur. 



I Schizotherium. ^I. Olig., Eur. 



f Moropux. U. Olig. to U. Mioc, X. Amer. 



f Macrutherium. U. Olig. to M. Mioc, Eur. 



f Chalicotherium. U. ]\Iioc. to L. Plioc, Eur. & As. 



f Anciiloilierhim. L. Plioc, Eur. 



XVIII. Okder PROBOSCIDEA. Proboscideans.^ 

 Fam. Moeritheriidae. Mwritheres. 



t Mieritheriuiii. U. Eoc. & L. Olig., X. Afr. 

 Fam. Elephantidae. Dinothqres, Mastodons, and Elephants. 

 SuBFAM. Dinotheriinae. Dinotheres. 



f Dinotheriuin. L. Mioc. to Plioc, Eur.; L. Plioc, As. 

 SuBFAM. Mastodontinas. Mastodons. 



f Pakeomasiodon. L. Olig., Egypt. 



f ' Trilophodon,' ' Tetrahelodon' (= Gomphotherium). L. toU. Mioc.,. 

 Eur.; Mioc. & Plioc, As.; Plioc, Afr. ; M. to U. IMioc, N. Amer. 



f ' Tetralnphodon' {= Dihelodon). Plioc, As., X. Amer.; Pleist., 

 S. Amer. 



f Mastodon. Plioc. & Pleist., Eur., As. ; Pieist., S. Afr., N. Amer. 



SuBFAM. Elephantinse. Mammoths and True Elephants. 



f Stegodon. Siwalik Mammoth. Plioc, As. 



1 Vide Osborii, The Ancylopoda, etc., A)ner. Natural, Vol. XXVII, 1893, pp. 118-133. The 

 Aucylopofla are probably aberrant perissodactyls. See also Peterson, Preliminary Notes on 

 Some American Chalicotheres, Amer. Natural., Vol. XLI, l't07, pp. 733-752. 



2 An excellent review of the evolution of the group is given by Lull, R. S., The Evolution of 

 the Elephant. Amer. Jour. ScL, Vol. XXV, ISIarch, 1!X)8. See also Osborn, H. F., Hunting the 

 Ancestral Elephant in the Fayilm Desert, The Century Magazine, Vol. LXXIV, October, 1907, 

 pp. 815-835. For the Fayum genera, M(prither'nim and PaJsenmastodon, see Andrews, C. W., A 

 Descriptive Catalogue of tlie Tertiary Vertebrata of the Fayum, Egypt, Brit. Mas. Nat. Hist.y 

 4to, London, 1<I06. 



