Add to ORKGAt head of title: Proceedings of the Washington academy of sciences. vol. iii, p. 1-110...Mode of access: Internet
Each plate accompanied by leaf with descriptive letterpress.At head of title: Smithsonian Institutio...
Offprint from Proceedings of the Entomological Society of Philadelphia, Oct. 1863.Cover title.Mode o...
Reprinted from Proceedings of the American Philsophical Society, v. 50, no. 200. July-August, 1911.C...
At head of title: Proceedings of the Washington academy of sciences. vol. iv, p. 411-454 [1]Mode of ...
Running title: Development of the pilidium of certain nemerteans.Caption title."Literature". p. 261-...
Bibliography: p. 257-258.At head of title: Proceedings of the Washington academy of sciences. vol. 1...
At head of title: Proceedings of the Washington academy of sciences. vol. III, p. 391-486...Mode of ...
Bibliography: p. 189-191.At head of title: Proceedings of the Washington academy of sciences. vol. i...
At head of title: Proceedings of the Washington academy of sciences, vol. 11. p. 389-464...Mode of a...
At head of title: Proceedings of the Washington academy of sciences. vol. III, p. 487-506.Mode of ac...
At head of title: Proceedings of the Washington academy of sciences. vol. iv. p. 457-499.Mode of acc...
Caption title.At head of title: Proceedings of the Washington Academy of Sciences. vol.III, p.297-36...
From the Proceedings of the Boston society of natural history, October 4, 1865.Caption title.Mode of...
Proceedings of the Washington Academy of Sciences. v. 4, p. 117-274.Mode of access: Internet
Caption title.Academy of natural science of Philadelphia. Proceedings, July, 1861.Mode of access: In...
Each plate accompanied by leaf with descriptive letterpress.At head of title: Smithsonian Institutio...
Offprint from Proceedings of the Entomological Society of Philadelphia, Oct. 1863.Cover title.Mode o...
Reprinted from Proceedings of the American Philsophical Society, v. 50, no. 200. July-August, 1911.C...
At head of title: Proceedings of the Washington academy of sciences. vol. iv, p. 411-454 [1]Mode of ...
Running title: Development of the pilidium of certain nemerteans.Caption title."Literature". p. 261-...
Bibliography: p. 257-258.At head of title: Proceedings of the Washington academy of sciences. vol. 1...
At head of title: Proceedings of the Washington academy of sciences. vol. III, p. 391-486...Mode of ...
Bibliography: p. 189-191.At head of title: Proceedings of the Washington academy of sciences. vol. i...
At head of title: Proceedings of the Washington academy of sciences, vol. 11. p. 389-464...Mode of a...
At head of title: Proceedings of the Washington academy of sciences. vol. III, p. 487-506.Mode of ac...
At head of title: Proceedings of the Washington academy of sciences. vol. iv. p. 457-499.Mode of acc...
Caption title.At head of title: Proceedings of the Washington Academy of Sciences. vol.III, p.297-36...
From the Proceedings of the Boston society of natural history, October 4, 1865.Caption title.Mode of...
Proceedings of the Washington Academy of Sciences. v. 4, p. 117-274.Mode of access: Internet
Caption title.Academy of natural science of Philadelphia. Proceedings, July, 1861.Mode of access: In...
Each plate accompanied by leaf with descriptive letterpress.At head of title: Smithsonian Institutio...
Offprint from Proceedings of the Entomological Society of Philadelphia, Oct. 1863.Cover title.Mode o...
Reprinted from Proceedings of the American Philsophical Society, v. 50, no. 200. July-August, 1911.C...