Note 26 — DESCRIPTION OF PARTS OF THE SKELETON OF MACRAUCHENIA PATACHONICA; A large extinct Mammiferous Animal, referrible to the Order Pachydermata; but with affinities to the Ruminantia, and especially to the Camelidæ.
Reading edition
This diameter increases rapidly in the posterior lumbar vertebræ, in correspondence with the enlargement of the spinal chord, which gives off the great nerves of the hinder extremities.