Contributions to the Natural History of the CYNIPIDAE of the United States and of their Galls. Article 4th.
Baron Osten Sacken
Public Domain / CC0
Citation (MLA Form):
Osten-Sacken, Baron R. 1865. "Contributions to the Natural History of the Cynipidae of the US and of their Galls: article 4" Proc. Ent. Soc. of Phil. Vol. 4.