A Manual of the Land and Fresh-water Shells of the British Islands |
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Page 69
... teeth ; inside not pearly . 33. CYCLAS . Shell oblong , nearly equilateral . 34. PISIDIUM . Shell ovate , inequilateral . ** Shell with irregular hinge - teeth ; inside pearly . 37. UNIO . Shell with distinct posterior lateral laminar teeth ...
... teeth ; inside not pearly . 33. CYCLAS . Shell oblong , nearly equilateral . 34. PISIDIUM . Shell ovate , inequilateral . ** Shell with irregular hinge - teeth ; inside pearly . 37. UNIO . Shell with distinct posterior lateral laminar teeth ...
Page 80
... teeth of the hinges in the bivalves . In the exotic genus Navicella , which , on account of its large mouth , has been confounded with the Patellæ , the processes occupy the greater part of the oper- culum . There is only a single ...
... teeth of the hinges in the bivalves . In the exotic genus Navicella , which , on account of its large mouth , has been confounded with the Patellæ , the processes occupy the greater part of the oper- culum . There is only a single ...
Page 140
... teeth on the lips . f . CHILOTREMA Leach . ( Rock Snail . ) Shell orbicular , depressed , perforated , equally convex on both sides , sharply carinated in its outer circumference ; aperture transverse , oval ; the peristome united all ...
... teeth on the lips . f . CHILOTREMA Leach . ( Rock Snail . ) Shell orbicular , depressed , perforated , equally convex on both sides , sharply carinated in its outer circumference ; aperture transverse , oval ; the peristome united all ...
Page 181
... teeth , not half as long as the spire ; the peristome interrupted ; outer lip generally thickened , reflexed . The shell of this genus is distinguished from that of Limnæus in wanting the oblique fold on the pillar ; from the Clausilia ...
... teeth , not half as long as the spire ; the peristome interrupted ; outer lip generally thickened , reflexed . The shell of this genus is distinguished from that of Limnæus in wanting the oblique fold on the pillar ; from the Clausilia ...
Page 189
... teeth appear ; but the singular shape of the aperture decidedly re- moves it into a distinct genus , which is adopted from Dr. Leach . Mr. Alder considers this genus as intermediate between Bulimus and Clausilia , resembling the former ...
... teeth appear ; but the singular shape of the aperture decidedly re- moves it into a distinct genus , which is adopted from Dr. Leach . Mr. Alder considers this genus as intermediate between Bulimus and Clausilia , resembling the former ...
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Common terms and phrases
2d Edition Alder animal aperture bands Brard Brit British brown Bulimus Carychium minimum Clausilia cloth colour Conch conchologists conical convex Cyclas Cyclostoma Dict Drap Draparnaud edge elongate Engravings epiphragm Fauna Fcap Férus Férussac Foolscap 8vo foot genus Helix Hist History horn-colour hortensis Icon Inhab J. C. Loudon Jeffreys Journ Leach Limax Limnæus Linn London longitudinal mantle margin Moll Mollusca Mont Montagu mouth Müller nearly Nilson oblique oblong observes operculum outer lip oval pale Paludina periostraca peristome Pfeiffer Physa Physa fontinalis pillar Pisidium Pisidium amnicum Planorbis Planorbis carinatus Plates Pupa Rossm rounded Shell ovate slightly Snail Sowerby species specimens spiral striæ striated Sturm Succinea teeth tentacles thickened thin Trans transparent Turbo Turton umbilicus Unio Valvata Valvata cristata variety ventricose Verm Vertigo Vertigo alpestris Vignette Titles Vitrina pellucida vols volutions whorls Wood Woodcuts yellowish young shells Zonites Zool
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