The Complete Writings of Thomas Say, on the Conchology of the United StatesH. Baillière, 1858 - 252 páginas |
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The Complete Writings of Thomas Say, on the Conchology of the United States Thomas Say,William Greene Binney No hay ninguna vista previa disponible - 2016 |
The Complete Writings of Thomas Say, on the Conchology of the United States ... Thomas Say No hay ninguna vista previa disponible - 2016 |
Términos y frases comunes
Acad Academy and Philadelphia acute angle angulated animal Anodonta aperture apex arquated basal margin base beaks Blainville body whorl Cabinet callus cardinal teeth cavity character columella compressed concave Conchology convex depressed Desc destitute dilated distinct East Florida edge elevated lines elongated epidermis exterior Ferussac figure fossil genera genus Greatest breadth groove Helix hinge margin horn color impressed lines inch indented Inhabits the coast Inhabits the southern J. A. ii labrum Lamarck lateral teeth Length less ligament Lister longitudinal MELANIA middle muscular impression nearly numerous oblique obsolete obtuse operculum oval pale PALUDINA Philadelphia Museum PLANORBIS Plate posterior margin prominent rectilinear resembles river rounded SCALARIA shell slightly southern coast species specimens spire Stephen Elliott striæ striated subovate surface suture tentacula thick Titian Peale tooth transverse truncated umbilicus umbo umbones undulated Unio valve volutions whirl whitish wrinkled yellowish
Pasajes populares
Página 64 - Shell heterostrophe, pale yellowish, very fragile, diaphanous, oblong, whorls six or seven; spire tapering, acute at the tip; suture slightly impressed; aperture not dilated, attenuated above, about half as long as the shell; columella much narrowed near the base, so that the view may be partially extended from the base towards the apex.
Página 83 - ... with darker or black lines, setaceous, and longer than the breadth of the rostrum ; beneath immaculate. I found this species in great plenty, inhabiting St. John's river in East Florida, from its mouth to Fort Picolata, a distance of one hundred miles, where the water was potable. It seemed to exist equally well where the water was as salt as that of the ocean, and where the intermixture of that condiment could not be detected by the taste.
Página 401 - Principles of Geology; or, the Modern Changes of the Earth and its Inhabitants considered as illustrative of Geology. Ninth Edition. Woodcuts. 8vo. 18s. - Manual of Elementary Geology ; or, the Ancient Changes of the Earth and its Inhabitants illustrated by its Geological Monuments.
Página 110 - Shell heterostrophe, subglobose, pale yellowish; whorls rather more than four, very rapidly attenuated; spire truncated, hardly elevated beyond the general curve of the surface; suture not impressed; aperture but little shorter than the shell, dilated; labrum a little thickened on the inner margin. Length more than one-half of an inch.
Página 41 - Shell horn-color or blackish; whorls four, crossed by minute wrinkles; concave above and beneath, and equally exhibiting the volutions, body generally subcarinate on the margin; lip rounded, and not vaulted above nor thickened; mouth within bluish-white. Breadth one-fifth of an inch.
Página 7 - Breadth one fourth of an inch. Inhabits Florida. Cabinet of the Academy. Animal longer than the breadth of the shell, acute behind, above granulated and blackish* beneath, and each side, white. This we found in the orange groves of Mr. Fatio, on the river St. John, East Florida; it is usually covered with a black, earthy coat, which is probably collected and detained by the hairs. When unincumbered with this vesture, the shell is of a horn colour. It is by no means so common as the preceding species....
Página 106 - Shell conic-ovate; whorls not perceptibly wrinkled, convex ; suture deeply impressed ; aperture orbicular, hardly angulated above ; labium with the superior edge appressed to the surface of the penultimate volution ; umbilicus rather small, profound. Length less than one-tenth of an inch. Inhabits Pennsylvania. This very small species is found in plenty in the fish ponds at Harrowgate, crawling on the dead leaves which have fallen to the bottom of the water. It resembles P.
Página 96 - Shell orbicular, slightly oblique, polished, white, with very minute and numerous concentric wrinkles near the margin, which are obsolete on the disk and umbo ; lateral teeth none ; primary teeth two in the left valve and one in the other ; interior ligament cavity subfusiform, as long as the exterior ligament.
Página 43 - Animal bluish-white beneath, with orange clouds each side of the mouth: above pale orange, shaded with dusky and banded with numerous black interrupted lines; mouth advanced into a rostrum as long as the tentacula, which are darker at base, and setaceous; foot with an undulated outline. Var. A. Shell destitute of the rufous bands.
Página 4 - Shell suboval, pale yellowish, diaphanous, very thin and fragile, with nearly three oblique volutions. Body very large. Spire small, but little prominent, somewhat obtuse. Aperture longitudinally subovate, large. Columella much narrowed, so as almost to permit the view of the interior apex from the base of the shell. Scarcely any calcareous deposit on the pillar lip.