A Manual of the Land and Fresh-water Shells of the British Islands |
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Page 70
... elongate , according to the length of the imaginary axis on which the whorles are rolled ; and when we speak of the length of the mouth , it extends from the line which forms the front to the hinder edge of the mouth , which , in the ...
... elongate , according to the length of the imaginary axis on which the whorles are rolled ; and when we speak of the length of the mouth , it extends from the line which forms the front to the hinder edge of the mouth , which , in the ...
Page 72
... elongate , walking on a single central foot or disk , and furnished with one or more pairs of organs on the head and sides . Their ner- vous system , which furnishes the most distinctive cha- racter of the larger groups of the animal ...
... elongate , walking on a single central foot or disk , and furnished with one or more pairs of organs on the head and sides . Their ner- vous system , which furnishes the most distinctive cha- racter of the larger groups of the animal ...
Page 79
... elongate : shell ovate ; mouth ovate , not continued ; operculum horny , ovate , spiral . ( f . 4—6 . ) Fam . 3. Paludinide , - animal ; gills enclosed : shell conical ; mouth ovate , continued ; operculum an- nular . ( f . 7—11 . ) Fam ...
... elongate : shell ovate ; mouth ovate , not continued ; operculum horny , ovate , spiral . ( f . 4—6 . ) Fam . 3. Paludinide , - animal ; gills enclosed : shell conical ; mouth ovate , continued ; operculum an- nular . ( f . 7—11 . ) Fam ...
Page 85
... elongate , with 2 subulate tentacles , with the eyes sessile on the outer sides of their base . This family contains only one rather anomalous British fresh - water genus among its numerous marine ones . There are several other ...
... elongate , with 2 subulate tentacles , with the eyes sessile on the outer sides of their base . This family contains only one rather anomalous British fresh - water genus among its numerous marine ones . There are several other ...
Page 88
... is abundant on many parts of our coasts . It is nearly allied to Littorina ulvæ . Hart- mann has formed a genus called Hydrobia from these small Littorinæ . Fam . 3. PALUDINIDE . The tentacles elongate , slender 88 PHYTOPHAGA .
... is abundant on many parts of our coasts . It is nearly allied to Littorina ulvæ . Hart- mann has formed a genus called Hydrobia from these small Littorinæ . Fam . 3. PALUDINIDE . The tentacles elongate , slender 88 PHYTOPHAGA .
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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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