British Conchology: Or, An Account of the Mollusca which Now Inhabit the British Isles and the Surrounding SeasJ. Van Voorst, 1862 - 341 sivua |
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Algeria animal appear beaks bivalves blunt BODY British brown bulbs Bulimus Coldean colour columella compressed conchologists convex Cote-d'or cylindrical Dalmatia deep distinct district Draparnaud eggs epidermis epidermis rather thick epiphragm Férussac fluviatiles folds foot France genus globular glossy HABITAT Helix Hist inhabits inner lip keeled Land and Freshwater last occupying last species last whorl line of growth Linn Linné mantle margin milk-white Moll Mollusca mollusk Mollusques Montagu Moquin-Tandon Moray Firth mouth Müll Müller narrow naturalists nearly North oblique oblong observed obtusely operculum oval ovoviviparous periphery rounded peristome pillar lip plates present species Pupa resembles rounded in front semitransparent Shell smaller Siberia Sicily slender slightly reflected slug snails sometimes specimens specks spiral spire striæ striate suture Sweden teeth tentacles terrestres Testacella tinge transversely tubercles umbilicus upper tertiary fossils valve variety Verm Westerland wood yellowish
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Sivu 178 - THE SNAIL. To grass, or leaf, or fruit, or wall, The snail sticks close, nor fears to fall, As if he grew there, house and all Together. Within that house secure he hides, When danger imminent betides Of storm, or other harm besides Of weather.
Sivu 178 - ... or other harm besides Of weather. Give but his horns the slightest touch, His self-collecting power is such, He shrinks into his house, with much Displeasure. Where'er he dwells, he dwells alone, Except himself has chattels none, Well satisfied to be his own Whole treasure. Thus, hermitlike, his life he leads, Nor partner of his banquet needs, And if he meets one, only feeds The faster. Who seeks him must be worse than blind, (He and his house are so combined) If, finding it, he fails to find...
Sivu 206 - From these sands come forth snails of the turbinated kind, but of different species, and all sizes, from the adult to the smallest just from the egg ; these spread themselves over the plains early in the morning, and whilst they are in quest of their own food among the dews, yield a most fattening nourishment to the sheep.
Sivu xlvii - The facts arrived at are, — 1st. The shells of Helicidae increase but little for a considerable period, never arriving at maturity before the animal has once become dormant. 2nd. Shells do not grow whilst the animal itself remains dormant. 3rd. The growth of shells is very rapid when it does take place. 4th. Most species bury themselves in the ground to increase the dimensions of their shells.
Sivu cvi - It was interesting among these creatures to recognise several that I had been in the habit of taking in equally high northern latitudes ; and although contrary to the general belief of naturalists, I have no doubt that from however great a depth we may be enabled to bring up the mud and stones of the bed of the ocean, we shall find them teeming with animal life ; the extreme pressure at the greatest depth does not appear to affect these creatures. Hitherto we have not been able to determine this...
Sivu cvii - And also those which wonne in th* azure sky ! For much more eath to tell the starres on hy, Albe they endlesse seeme in estimation, Then to recount the Seas posterity : So fertile be the flouds in generation, So huge their numbers, and so numberlesse their nation.
Sivu 172 - Romans, for though found near several encampments, it had occurred neither at Wroxeter nor at York, nor in many other parts of England and Wales where the Romans built cities or had important military stations, and in " all probability this kind of snail was not known to them, as another species (H. lucorum} takes its place in Central Italy.
Sivu 316 - Histoire naturelle générale et particulière des mollusques, tant des espèces qu'on trouve aujourd'hui vivantes que des dépouilles fossiles de celles qui n'existent plus, classés d'après les caractères essentiels que présentent ces animaux et leurs coquilles ; par M. de FÉRUSSAC et G.-P. DESHAYES. Ouvrage complet en 42 livraisons, chacune de 6 planches in-folio, gravées et coloriée?
Sivu 232 - ... them. If its abode be upon the trunk of a tree covered with Lichens, then is the epidermis so constructed as to cause the shell to resemble a little knot on the bark covered with such substances. If on a smooth tree, from whose bark issue small sessile buds, as is frequently the case, it will pass off very well for one of them ; and on a dry bank, or the lower part of the body of a tree splashed with mud, its appearance will be that of a little misshapen, pointed piece of dirt.
Sivu 206 - The sweetest mutton," says Borlase, " is reckoned to be that of the smallest sheep, which usually feed on the commons where the sands are scarce covered with the green sod, and the grass exceedingly short; such are the towens or sand hillocks in Piran Sand, Gwythien, Philac, and Senan-green near the Land's End, and elsewhere in like situations.