On Certain Pieris Caterpillars
Forbes, William T. M. (William Trowbridge Merrifield), 1885-1968
Article
1909
Psyche
16
69--75
BioStor
English
Cambridge, Mass, Cambridge Entomological Club,
BioStor: https://biostor.org/reference/174959 DOI: https://doi.org/10.1155/1909/490690