. Bulletin - United States National Museum. Science. PACIFIC COAST SPECIES. 87 Eelix conspecta, Bla^td, Ann. N. Y. Lye. vii, 163, fig. 7 (Nov. 1865). Pseudohijalina conspecta, Tryon, Amor. Jouru. Conch., ii, 265 (1866). Hyalinaconsp€cta,\Y. G. BiNXEY, L. & Sli. i, 41 (1869). Zonites conspectus, W. G. B., Terr. Moll., v, 121. In Alaska. In tlie Pacific Province, Salem, Oregon, San Francisco, and Monterey, and in Merced County, Cal. In the Central Province at Cunningham Gulch, Colorado. Z. conspectus differs from PatuJa asteriscus in having an elevated spire and a smaller umbilicus. T
. Bulletin - United States National Museum. Science. PACIFIC COAST SPECIES. 87 Eelix conspecta, Bla^td, Ann. N. Y. Lye. vii, 163, fig. 7 (Nov. 1865). Pseudohijalina conspecta, Tryon, Amor. Jouru. Conch., ii, 265 (1866). Hyalinaconsp€cta,\Y. G. BiNXEY, L. & Sli. i, 41 (1869). Zonites conspectus, W. G. B., Terr. Moll., v, 121. In Alaska. In tlie Pacific Province, Salem, Oregon, San Francisco, and Monterey, and in Merced County, Cal. In the Central Province at Cunningham Gulch, Colorado. Z. conspectus differs from PatuJa asteriscus in having an elevated spire and a smaller umbilicus. The rib-like strise are more numerous, but scarcely raised above the surface of the shell, which, under the micro- scope, is very similar to that of P. asteriscus. Z. cxiguus also has very prominent ribs, but they are independent of the striii? of growth and run obliquely to them. Animal not observed. Mr. Bland's description and figures are here given. Specimens frome Lone Mountain near San Francisco have been sent me by the Kev. Mr. Eowell as Helix Mazatlanica. (See p. 22.) Zonites cliersiiiellus, Dall. Shell narrowly umbilicated, depressed, transparent, lightest horn- color, shining, with distant incremental wrinkles; spire slightly ele- vated; whorls 4, scarcely convex, the last depressed- ^.^ ^^ globose; umbilicus narrow, pervious; aperture oblique. Innately subcircular; peristome simple, acute. Greater diameter, 3""™; height, 1"*™. Helix (Copulus) cliersinella, Dall, Amer. Jour. Conch., ii, 328, pi. xxi, fig. 4 (1866). Conulus chersinella, TRYOHf, Amer. Jour. Conch., iii, 162 (1867). Hyalina cliersinella, W. G. Binnky, L. & Sh., i, 47 (1869). z. chemlnellus. Zonites cher8inellus,W. G. Binn., T. M., t, 123. "Big Trees, " Calaveras County, California: it must be considered a species of the California Region, from the region of the Sierra Nevada. The description is drawn from an authentic specimen. The figure is a fac-simile of that of
Size: 1225px × 2039px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
