In The Auk, Volume 59, Number 1, pp. 1-34. Color frontispiece of Mexican Masked Tityra by Sutton, b&w photos. Complete number, with several additional articles: Migration in Pacific Coast White-crowned Sparrows by Blanchard; Swainson's Warbler in Nicholas County, West Virginia by Brooks and Legg. Recent Ornithological Literature, and more. Near fine in original wrappers.