These differ materially from the foregoing section of the Artiodactyla by the construction of their digestive organs.
"Natural History of the Mammalia of India and Ceylon" by Robert A. Sterndale
The characteristics of camels and their systematic position are discussed under the headings TYLOPODA and ARTIODACTYLA.
"Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1" by Various
The Artiodactyla, again, divide into two groups, the Non-Ruminantia and the Ruminantia.
"Chambers's Twentieth Century Dictionary (part 1 of 4: A-D)" by Various
II, The Artiodactyla which includes seven families of animals all having an even number of toes.
"Natural History in Anecdote" by Various
For the ancestral genera of the hippopotamus line, see ARTIODACTYLA.
"Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 5" by Various
As to the Perissodactyla and the Artiodactyla we cannot bring them together nearer than in quite early Tertiary times.
"The Cambridge Natural History, Vol X., Mammalia" by Frank Evers Beddard