. The horse and its relatives . Fig. 2. Fig. I. Skull of Onohippidium ; pf, preorbital depression. Fig. 2. Crown surfaces of right upper molar teeth of Eqtius(A and D), Hippidntm (C), and Hipparion (E). A andB are almost unworn, a, anterior ; b. posterior pillar. THE FORERUNNERS OF THE HORSE 261 modern horse ; but when we come to the moreprimitive types, of which the American Hypohippiisis the first for notice, such remarkable differencesfrom the existing forms are found that the question

---

Size: 1314px × 1902px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, booksubjecthorses, bookyear1912