. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Plate I. The Jnodopsh tridentala and rugosa complexes. 1-8, Triodopsis fridentata-. 1 and 7, aperture grade A, Wil- liston, Vermont; 2, aperture grade B, Bethel, Pennsylvania; 3, aperture grade C, Moores Hill, Indiana; 4 and 8, aperture grade D, Murphy, North Carolina; 5-6, edentilabris, considered synonymous with tridentata, aperture grade A, types, "Cumberland Mountains. " 9-11, Triodopsis c. complanala-. 9-10, Jamestown, Kentucky; 11, Boone, Tennessee. 12-14, Triodopsis burchi: 12 and 14, paratypes; 13, h
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Plate I. The Jnodopsh tridentala and rugosa complexes. 1-8, Triodopsis fridentata-. 1 and 7, aperture grade A, Wil- liston, Vermont; 2, aperture grade B, Bethel, Pennsylvania; 3, aperture grade C, Moores Hill, Indiana; 4 and 8, aperture grade D, Murphy, North Carolina; 5-6, edentilabris, considered synonymous with tridentata, aperture grade A, types, "Cumberland Mountains. " 9-11, Triodopsis c. complanala-. 9-10, Jamestown, Kentucky; 11, Boone, Tennessee. 12-14, Triodopsis burchi: 12 and 14, paratypes; 13, holotype, Danville, Virginia. 15-18, Triodopsis rugosa-. 15, paratype, Blair, West Virginia; 16, Big Stone Gap, Virginia; 17-18, anteridon, considered synonymous with rugosa, paratypes. Valley Forge, Tennessee. 19-21, Triodopsis lulciden, Conover, North Carolina. Figures 1-8 are magnified X 1-6; figures 9-11, X ; figures 12-21, X Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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