. The Canadian field-naturalist. o mm o cm. â â L O 1 2 in Figure 2. Shells oiHelicella obvia showing variation in pattern. tapering, curved, hollow, needle-like dart which is ellipsoid in cross-section. Immediately post- erior to the dart sacs the short thick vagina branches off into a short free oviduct and a long white uniformly-thick spermathecal duct (slightly shorter than the epiphallus) which terminates in a translucent yellow, bean-shaped spermatheca. One spermatheca contained a tapered, flattened. slightly twisted spermatophore. At the junction of the spermathecal duct with the vagina
. The Canadian field-naturalist. o mm o cm. â â L O 1 2 in Figure 2. Shells oiHelicella obvia showing variation in pattern. tapering, curved, hollow, needle-like dart which is ellipsoid in cross-section. Immediately post- erior to the dart sacs the short thick vagina branches off into a short free oviduct and a long white uniformly-thick spermathecal duct (slightly shorter than the epiphallus) which terminates in a translucent yellow, bean-shaped spermatheca. One spermatheca contained a tapered, flattened. slightly twisted spermatophore. At the junction of the spermathecal duct with the vagina is a group of thickly-digitate mucous glands. The posterior genitalia are characterized by a long granular white prostate gland, a wrinkled ocher oviduct, a brownish, flattened, curved albumen gland, and a long, slender, twisted, tan hermaphrodite duct. The rounded gray talon is hidden partially by the. 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 Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club
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Keywords: ., bookauthorottawafieldnaturalistsclub, bookcentury1900, bookcolle
