MolluscaBase source request
You have requested access to download the full text of the source (SourceID: 394358):
Pilsbry, H. A. (1926). Costa Rican land shells collected by A. A. Olsson. Proceedings of the Academy of Natural Sciences of Philadelphia. 78: 127-133.
Pilsbry, H. A. (1926). Costa Rican land shells collected by A. A. Olsson. Proceedings of the Academy of Natural Sciences of Philadelphia. 78: 127-133.