Leidy, J. (1851). Special anatomy of the terrestrial Gastropoda of the United States. In: Gould, A.A. 1851. The terrestrial air-breathing mollusks of the United States, and the adjacent territories of North America. Vol. 1. Little, Brown and Company, Boston. 198-260, plates 1-16.
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Leidy, J.
1851
Special anatomy of the terrestrial Gastropoda of the United States. In: Gould, A.A. 1851. The terrestrial air-breathing mollusks of the United States, and the adjacent territories of North America. Vol. 1. Little, Brown and Company, Boston.