The bees of the southern California islands
Article
1939
Proceedings of the California Academy of Sciences, 4th series
23
Series: 4
427--436
BioStor
English
San Francisco California Academy of Sciences
BioStor: https://biostor.org/reference/144015
In copyright. Digitized with the permission of the rights holder.
https://biodiversitylibrary.org/permissions
http://creativecommons.org/licenses/by-nc-sa/3.0/
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