April 20

Type

Article

Date of Publication

1909

Original Publication

Proceedings of the Academy of Natural Sciences of Philadelphia

Volume

61

Pages

193--193

Contributed by

BioStor

Language

English

Published by

Philadelphia, Academy of Natural Sciences of Philadelphia,

Identifiers

BioStor: https://biostor.org/reference/119688

Rights Status

Public domain. The BHL considers that this work is no longer under copyright protection.