Proceedings of the Academy of Natural Sciences of Philadelphia.

v.16 (1864)

Proceedings of the Academy of Natural Sciences of Philadelphia.

v.30 (1878):[Lacks:pg.453-453]

Proceedings of the Academy of Natural Sciences of Philadelphia.

v.14 (1862)

Proceedings of the Academy of Natural Sciences of Philadelphia.

v.15 (1863)

Proceedings of the Academy of Natural Sciences of Philadelphia.

v.28 (1876):[Lacks:pg.232-233]

Proceedings of the Academy of Natural Sciences of Philadelphia.

v.40 (1888)

Proceedings of the Academy of Natural Sciences of Philadelphia.

v.70 (1918)

Proceedings of the Academy of Natural Sciences of Philadelphia.

v.25 (1873)

Proceedings of the Academy of Natural Sciences of Philadelphia.

v.71 (1919)

Proceedings of the Academy of Natural Sciences of Philadelphia.

v.47 (1895)

The Annals and magazine of natural history; zoology, botany, and geology being a continuation of the Annals combined with Loudon and Charlesworth's Magazine of Natural History.

v. 12 (1843)

The Annals and magazine of natural history; zoology, botany, and geology being a continuation of the Annals combined with Loudon and Charlesworth's Magazine of Natural History.

2nd ser. v. 17 (1856)

Annals of natural history.

v. 5 (1840)