- " In most quadrupeds, as in ourselves, the forearm contains distinct bones called the radius and the ulna. - "Thomas Henry Huxley; A Sketch Of His Life And Work", P. Chalmers Mitchell.
- Ulna, the larger of the two bones of the fore- arm. - "A Manual of the Antiquity of Man", J. P. MacLean.
- Of course not, Ulna, but I do not understand you. - "Lost in the CaÃ±on", Alfred R. Calhoun.