Note 28 — BULLETIN OF THE NUTTALL ORNITHOLOGICAL CLUB. VOL. VII. January, 1882. No. I. (continued 2)
Reading edition
Osteology of Lanius ludovicianus excubitorides. By Dr. R. W. Shufeldt, U.S.A. Bull. U.S. Geol. and Geog. Surv. Territories, Vol. VI, No. 2, pp. 351–359, pl. XIV.