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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

Science

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

_Animal._ Soft, without head or eyes, testaceous, body fixed as if
reversed, inarticulated, furnished with a mantle, having above
tentacular arms, with curled tufts multiarticulated, mouth beneath, not
projecting, dentated transverse jaws disposed in pairs. Number of arms,
unequal and varying, disposed in rows, each composed of two rows of
curled tufts of bristles; fringed; a corneous skin supported by a
pedicle. Medulla longitudinal and knotted; gills external, sometimes
concealed; circulation by heart and vessels. One Family.


                                FAMILY.

                        CIRRHIPEDA. Ten Genera.


                        1. Genus _Tubicinella_.

_Animal._ Body inclosed in a shell, with small setaceous and unequal
cirri.

_Shell._ Univalve, operculated, tubular, erect, a little attenuated
towards the base, bound with annular transverse ribs, truncated at both
ends, open at the summit, and closed at the base with a membrane.
Operculum with four obtuse valves. South American seas. One species.

 Tubicinella balænarum.


                      2. Genus _Coronula_. Pl. V.

_Animal._ Body seated, enveloped in a shell with small setaceous and
cirrous arms.

_Shell._ Sessile, apparently indivisible, suborbicular, conoidal or
blunt, conical, the extremities truncated, the sides very thick, the
inside hollowed into radiating cells. Operculum composed of four obtuse
valves. Inhabits the North seas. Five species.

 Coronula diadema.
 C. testudinaria.
 C. balænaris.
 C. pulchra.

 C. denticulata.*


                       3. Genus _Balanus_. Pl. V.

_Animal._ Body sessile, inclosed in an operculated shell; branchiæ
numerous, placed in two rows, unequal, articulated, ciliated; each
composed of two cirri, supported by a peduncle, and exsertile; mouth
with four transverse dentated jaws, with four hairy palpi-like
appendages.

_Shell._ Formed of six distinct coronary valves, one dorsal, one
ventral, and two pairs of laterals, with a calcareous support; operculum
forming a sort of pyramid, by four articulated pieces in the aperture of
the shell. Is found in almost all seas. Thirty species.

 Balanus angulosus.
 B. nigrescens.
 B. roseus.
 B. amphimorphus.
 B. crispatus.
 B. stalaciferus.
 B. patellaris.
 B. calycularis.
 B. subimbricatus.
 B. palmatus.
 B. dupluconus.
 B. semiplicatus.
 B. lævis.
 B. punctatus.
 B. perforatus.
 B. rugosus.
 B. latus.
 B. plicatus.
 B. galeatus.
 B. spinosus.
 B. placianus.
 B. sulcatus.
 B. cylindraceus.
 B. ovularis.
 B. radiatus.
 B. fistulosus.
 B. Lyonsii.

        ·       ·       ·       ·       ·

 B. tintinabulus.*
 B. miser.*
 B. geniculatus.*


                       4. Genus _Acasta_. Pl. V.

_Animal._ Body without a peduncle, and inclosed in a multivalve shell,
found in sponge or marine bodies, mouth and tentacula placed in the
apex, or upper part of the body.

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