Note 27 — BULLETIN OF THE NUTTALL ORNITHOLOGICAL CLUB. VOL. VII. January, 1882. No. I. (continued 2)
Reading edition
Osteology of the North American Tetraonidæ. By Dr. R. W. Shufeldt, U.S.A. Bull. U.S. Geol. and Geog. Surv. Territories, Vol. VI, No. 2, pp. 309–350, pll. V-XIII.