December 25th; The Humming Birds of Mexico; Catalogue of the Colubridæ in the Museum of the Academy of Natural Sciences of Philadelphia. Part 3; Descriptions of Some New Species of Tertiary Fossils from Chiriqui, Central America; Descriptions of Three New Species of Starfishes from Cape St. Lucas; Descriptions of Two New Species of Pimelodus, from Kansas; Descriptions of New North American Coleoptera, in the Cabinet of the Entomological Society of PhiladelphiaRafael Montes De Oca, E. D. Cope, W. M. Gabb, John Xantus, Charles C. Abbott and Geo. H. Horn · Proceedings of the Academy of Natural Sciences of Philadelphia · 1860

Further studies on Grammicolepis brachiusculus, PoeyR. W. Shufeldt · 1888

On the affinities of Aphriza virgataR. W. Shufeldt · 1888

“Furculum” or “Furcula”SHUFELDT, R. W. · Nature · 1885

The Leaps of LepusSHUFELDT, R. W. · Nature · 1888

Recent Classification of the ShrewsSHUFELDT, R. W. · Nature · 1890

On the Affinities of HesperornisSHUFELDT, R. W. · Nature · 1890

The Poison Apparatus of the HelodermaSHUFELDT, R. W. · Nature · 1891

Ridgway on the Humming-birdsSHUFELDT, R. W. · Nature · 1892

The Breeding Golden Plover of AlaskaBoardman Conover · The Auk · 1945

Notes on Eastern Chinese BirdsWilliam B. Davis and Bryan P. Glass · The Auk · 1951

The Fossil Birds of PatagoniaReview by: F. A. L. · The Auk · 1896

The Phylogeny of the AlcidaeJ. G. Strauch, Jr. · The Auk · 1985

THE TROUBLE WITH TERTIALSSCOTT HICKMAN · The Auk · 2008

A Phylogeny of the OscinesWilliam J. Beecher · The Auk · 1953

LettersNikita Chernetsov, · The Auk · 2010

Components of Avian Breeding ProductivityRobert E. Ricklefs and George Bloom · The Auk · 1977