318 ANNALS NEW YORK ACADEMY OF SCIENCES 



an authority, seems startling until one verifies the quotation and finds 

 that it refers, not to the American records, but to the ancestry of the 

 horse as presented in Gaudry's^^* Enchainements, to the European series 

 Palccothermm, Anchitherium, Tlippanon gracile and Epulis. Deperet 

 takes care to premise that he is speaking only of this European series, 

 and while J think the criticism goes too far — it should at least be modi- 

 fied by changing "ungulate" to "perissodaetyl" in view of what we know 

 about the Litopterna — yet the criticism is largely justified in its proper 

 context. As applied to the American series it is altogether unwarranted. 



1" A. Gaodrv : Enchainements du Monde Animal, vol. iil, Mammiferes tertlaires. 1878. 



