On Dr. Gray's Genus Theonella
Bowerbank, J. O. (James Scott), 1797-1877
Article
1869
Proceedings of the Zoological Society of London
389--390
BioStor
English
London Academic Press, [etc.] 1833-1965
BioStor: https://biostor.org/reference/109016 DOI: https://doi.org/10.1111/j.1469-7998.1869.tb07342.x