Gray, J. E. & Sowerby, G. B. I. (1839). Molluscous animals and their shells. Pp. 103-155, pls 33-34 [pp. 103-142 by J. E. Gray, 143-155 by G. B. Sowerby I]. In: The zoology of Capt. Beechey's voyage, compiled from the collections on notes made by Captain Beechey, the officers and naturalist of the expedition during a voyage to the Pacific and Behring's straits in his Majesty's ship Blossom, under the command of Captain F. W. Beechey in the years 1825, 26, 27 and 28. London pp. XII + 186 + 44 pl.
39697
Gray, J. E. & Sowerby, G. B. I
1839
Molluscous animals and their shells. Pp. 103-155, pls 33-34 [pp. 103-142 by J. E. Gray, 143-155 by G. B. Sowerby I]. In: <i>The zoology of Capt. Beechey's voyage, compiled from the collections on notes made by Captain Beechey, the officers and naturalist of the expedition during a voyage to the Pacific and Behring's straits in his Majesty's ship Blossom, under the command of Captain F. W. Beechey in the years 1825, 26, 27 and 28.</i> London pp. XII + 186 + 44 pl.
