[Contributions to the biochemistry of the silkworm. XIX. Composition of a fibroin of a Hymenoptera (Psenulus concolor Dahlbaum). Comparison with the fibroins of Lepidoptera and with other scleroproteins.]

[Contributions to the biochemistry of the silkworm. XIX. Composition of a fibroin of a Hymenoptera (Psenulus concolor Dahlbaum). Comparison with the fibroins of Lepidoptera and with other scleroproteins.]