Image ID: SIL-SIL19-18-027
Cite this: Gould, Augustus A. (Augustus Addison). 1852. Mollusca & shells. 12, Philadelphia : Printed by C. Sherman.
Supplied Caption: Mollusca, Pl. 3
Taxonomic: Helix nitidiuscula; Helix saxatilis; Helix lyrata; Helix labiosa; Helix townsendiana; Helix vancouverensis; Helix nuttalliana; Helix loricata; Helix germana; Helix strigosa; Helix sportella; Helix gulosa; Helix ziczac, Helix spirillus, Helix pauxillus, He