FIGURE 4 in Securicauda hermani and Carinacauda stormi, two new genera and species of slug from the Pacific Northwest of the United States (Gastropoda: Stylommatophora: Arionidae), with notes on Gliabates oregonius Webb 1959

FIGURE 4. The penis of Securicauda hermani n. sp. from Hobo Cedar Grove, Shoshone County, Idaho stained and mounted on a slide (CM 104661). E = epiphallus; N = nipple-like tip of verge; P = penis; PR = penial retractor muscle; SP = spermatheca; V = verge.