29 research outputs found
Description of a new race of the lesser black-backed gull, from the Azores. American Museum novitates ; no. 44
No full text2 p. ; 24 cm
Gulls of the world
No full textp. 63-401, [5] leaves of plates : ill. (some col.) ; 24 cm.Includes bibliographical references (p. 330-336)
Distribution of color in the genus Junco
No full textp. 269-309, [3] leaves of plates ; col. ill., maps ; 24 cm.Includes bibliographical references
The sequence of plumages and moults of the passerine birds of New York /
No full text"Reprint from Annals N.Y. acad. sci., v. XIII."cover-titleBibliography: p. 318-345.Mode of access: Internet.Letter from author to B.H. Swales mounted on fly-leaf
The gulls (Laridae) of the world : their plumages, moults, variations, relationships and distribution. Bulletin of the AMNH ; v. 52, article 3.
No full textThe geographical distribution of color and of other variable characters in the genus Junco : a new aspect of specific and subspecific values. Bulletin of the AMNH ; v. 38, article 9.
No full textThe geographical distribution of color and of other variable characters in the genus Junco : a new aspect of specific and subspecific values. Bulletin of the AMNH ; v. 38, article 9.
No full textDescription of a new race of the lesser black-backed gull, from the Azores. American Museum novitates ; no. 44
No full text
