Natural science.

v. 14 (1899)

Proceedings of the Academy of Natural Sciences of Philadelphia.

v.3 (1846-1847)

Proceedings of the Academy of Natural Sciences of Philadelphia.

Index 1812-1912 (1913)

Proceedings of the Natural History Society of Glasgow.

v. 4 (1878-1880)

Transactions of the Natural History Society of Glasgow.

new ser. v. 5 (1896-1899)

Proceedings of the Academy of Natural Sciences of Philadelphia.

v.19 (1867):[Lacks:pg.126-127]

Proceedings of the Academy of Natural Sciences of Philadelphia.

v.48 (1896)

Proceedings of the Academy of Natural Sciences of Philadelphia.

v.27 (1875)

Proceedings of the Academy of Natural Sciences of Philadelphia.

v.17 (1865)

Proceedings of the Academy of Natural Sciences of Philadelphia.

v.13 (1861)