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The Conchologist's First Book: A System of Testaceous Malacology, Arranged Expressly for the Use of Schools, in Which the Animals, According to Cuvier, Are Given With the Shells, a Great Number of New Species Added, and the Whole Brought Up, as Accurately as Possible, to the Present Condition of the Science.Poe, Edgar Allan

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The Conchologist's First Book: A System of Testaceous Malacology, Arranged Expressly for the Use of Schools, in Which the Animals, According to Cuvier, Are Given With the Shells, a Great Number of New Species Added, and the Whole Brought Up, as Accurately as Possible, to the Present Condition of the Science.

Name: The Conchologist's First Book: A System of Testaceous Malacology, Arranged Expressly for the Use of Schools, in Which the Animals, According to Cuvier, Are Given With the Shells, a Great Number of New Species Added, and the Whole Brought Up, as Accurately as Possible, to the Present Condition of the Science.
Author: Poe, Edgar Allan

Poe, Edgar Allan

Mollusks

_Shell._ Fluviatile, elliptical, or oblong, convex above, summit
straight, depressed to the margin, concave beneath; no columella; the
columellar edge replaced by a sharp partition, covering part of the
aperture; a sinus at its left extremity; muscular impression horse-shoe
shaped, open in front and interrupted behind; thin, calcareous
operculum, with a subulate, lateral tooth adhering to the posterior
margin. Inhabits rivers in the Isle of France. Four species.

 Navicella elliptica.
 N. tesselatus.
 N. lineata.
 N. porcelanica.


                      4. Genera _Natica_. Pl. XI.

_Animal._ Oval, subspiral; foot profoundly and transversely bilobed
anteriorly, and having a horny or calcareous operculum; head provided
with long setaceous tentacula, flat, and auriculated at the base; eyes
sessile at the external side of the root of the tentacula; mouth armed
with a labial tooth.

_Shell._ Marine, distinguished from the Nerita by having no teeth, and
having an umbilicus modified by a callosity; very smooth and glossy; no
epidermis; spire evident, but low; columellar edge not toothed; right
edge without teeth; operculum calcareous and smooth, semi-spiral, with
concentrical ribs, fitting a groove on the columella. Inhabits the W.
Indian Ocean and American seas. Thirty-six species.

 Natica ampullaria.
 N. plumbea.
 N. conica.
 N. aurantia.
 N. melanostoma.
 N. mamilla.
 N. mamillaris.
 N. albumen.
 N. glaucina.
 N. canrena.
 N. cruentata.
 N. millepunctata.
 N. vitellus.
 N. helvacca.
 N. collaria.
 N. monilifera.
 N. labrella.
 N. unifasciata.
 N. lineata.
 N. fulminata.
 N. maculosa.
 N. vitata.
 N. castanea.
 N. arachnoidea.
 N. zebra.
 N. Marochiensis.
 N. Javanica.
 N. zonaria.
 N. cancellata.
 N. patula.
 N. duplicata.
 N. intricata.
 N. glabrata.
 N. Chinensis.
 N. rufa.

        ·       ·       ·       ·       ·
 N. consolidata.*
 N. duplicata.*
 N. heros.*
 N. pusilla.*
 N. triseriata.*
 N. rugosa.*


                              FAMILY XII.

                         JANTHINEA. One genus.


                      1. Genus _Janthina_. Pl. XI.

_Animal._ Of oval form, spiral, provided with a circular concave foot,
accompanied with a vesicular subcartilaginous mass, and natatory
appendages on each side; head very thick; tentacula scarcely at all
contractile; eyes situated beneath the extremity of long peduncles
placed at the external side of the tentacula, and appearing to form a
part of them; mouth at the extremity of a very thick proboscidiform
muzzle, between two vertical, subcartilaginous lips furnished with sharp
spines.

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