Note 272 — Chapter IX · THE ORDER UNGULATA (continued 4)
Reading edition
Those external points of distinction from R. simus are taken from a paper by Sclater in the Proc. Zool. Soc. 1886, p. 143.
Reading edition
Those external points of distinction from R. simus are taken from a paper by Sclater in the Proc. Zool. Soc. 1886, p. 143.