Monographia heliceorum viventium: sistens descriptiones systematicas et criticas omnium huius familiae generum et specierum hodie cognitarum, Volume 1

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Pagina 405 - ... projecting inwards, into an angle or tooth, which is concave beneath ; beneath the four exterior volutions equally prominent, transverse diameters equal to those of the upper surface; umbilicus central, moderate, attenuated to the apex so as to exhibit the remaining volutions. Breadth, female, two-fifths — male, three-tenths of an inch.
Pagina xxxi - Galerie des Mollusques , ou Catalogue méthodique, descriptif et raisonné des Mollusques et Coquilles du Muséum de Douai , 1838 — 1844, ont indiqué un certain nombre d'espèces observées dans le Nord.
Pagina xxvii - A descriptive catalogue of Recent shells arranged according to the Linnean method; with particular attention to the synonymy.
Pagina xxix - A History of the Molluscous Animals of the Counties of Aberdeen, Kincardine and Banff; to which is appended an Account of the Cirripedal Animals of the same District.
Pagina xxx - Pau, llibaut, 1904 ; in-8°, 24 p. (Extr. du Bull, de la Soc. des sciences, lettres et arts de Pau.
Pagina 392 - ... marginibus callo tenui junctis, basali reflexo, ad umbilicum mediocrem, pervium arcuato. — Diam.
Pagina 109 - T. aperte umbilicata , depressa , planiuscula, nítida, subpellucida, stríatula, pallide virentí-cornea, subtus albida; anfr. 6 planulati, ultimus depressus; apertura vix obliqua, depressa, oblique lunaris; pcrist.
Pagina 109 - T. planulala, fragilis, nítida, luteo-cornea , subtus concava, late umbilicata , lineis increment! conspicuis et lineis volventibus subtilissimis confertim decussata; anfr.
Pagina 209 - T. umbilicata, lenticularís, carinata, suhtilissime costulatostriata, msco-cornea, opaca; aufr. 5 convexiusculi, ultimus antice vix descendens; apertura lunaris; perist, flexuosum, superne simplex, rectum, marginibus callo teuui junctis, columellari reflexiusculo, subtiliter limbato.

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