Note 21 — THE MISSOURI RIVER JOURNALS 1843 (Continued)
Reading edition
This is the first intimation we have of the discovery of the Missouri Titlark, which Audubon dedicated to Mr. Sprague under the name of Alauda spragueii, B. of Am. vii., 1844, p. 334, pl. 486. It is now well known as Anthus (Neocorys) spraguei.—E. C.