1. Observations upon the development of the skull in Neotoma fuscipes: a contribution to the morphology of the rodentia Author(s): Shufeldt, Robert W. (Robert Wilson), 1850-1934 author Publication: [Philadelphia?] : [publisher not identified], [1889?] Subject(s): Sigmodontinae -- embryologySkull -- embryology
2. Observations upon the osteology of the North American Anseres Author(s): Shufeldt, Robert W. (Robert Wilson), 1850-1934 author Publication: Washington : [publisher not identified], 1889 Subject(s): Anseriformes -- anatomy & histologyOsteologyNorth America
