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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

Pholas dactyla.
 P. orientalis.
 P. candida.
 P. dactiloides.
 P. papyracea.
 P. tuberculata.
 P. silicula.
 P. callosa.

        ·       ·       ·       ·       ·

 P. costata.*
 P. clavata.*
 P. ovum.*
 P. lancellata.*
 P. crispata.*
 P. truncata.*
 P. californica.*
 P. penita.*
 P. oblongata.*
 P. cuneiformis.*


                    2. Genus _Gastrochæna_. Pl. VI.

_Animal._ Unknown.

Always without accessory pieces, therefore easily distinguished from the
Pholas.

_Shell._ Equivalve, somewhat cuneiform with a very large oval and
oblique aperture anteriorly; posterior extremity nearly closed; hinge
linear; marginal and without teeth. Three species.

 Gastrochæna cuneiformis.
 G. mytiloides.
 G. modiolina.


                              FAMILY III.

                         SOLENEA. Four genera.


                       1. Genus _Solen_. Pl. VI.

_Animal._ Body cylindroid, much elongated; the mantle in form of a canal
open at both ends, closed in the rest of its extent by a thick epidermis
which surrounds it; a cylindroid anterior foot.

_Shell._ Equivalve, extremely inequilateral, the summits very small, and
entirely at the commencement of the dorsal line; one or two teeth in the
hinge. Inhabits the seas of America and Europe. Twenty-one species.

 Solen vaginus.
 S. corneus.
 S. pygmæus.
 S. ambiguus.
 S. Dombeii.
 S. Javanicus.
 S. Caribæus.
 S. violaceus.
 S. antiquatus.
 S. vaginoides.
 S. siliqua.
 S. cultellus.
 S. planus.
 S. constrictus.
 S. coarctatus.

        ·       ·       ·       ·       ·

 S. ensis.*
 S. minutus.*
 S. viridis.*
 S. centralis.*
 S. rostratus.*
 S. giganteus.*


                      2. Genus _Panopæa_. Pl. VI.

_Animal._ Unknown.

The situation of the ligament, and the prominency of the apex, are the
characters which distinguish it from the Mya.

_Shell._ Regular oval, elongated, gaping at both ends, equivalve,
inequilateral; summit little marked and anterodorsal; hinge complete;
similen formed by a conical primary tooth, before a short, compressed,
ascending callosity, ligament exterior, attached to the callosity; two
muscular impressions. Inhabits the Mediterranean Sea. One species.

 Panopæa Aldrovandi.


                     3. Genus _Solecurtus_. Pl. VI.

_Animal._ Unknown.

_Shell._ Oval, elongated, equivalve, subequilateral, with edges nearly
straight and parallel, the extremities equally rounded, and, as it
were, truncated; summits but little marked; hinge without teeth, or
formed by some rudimentary primary teeth, ligament projecting, affixed
to thickened callosities; two distinct rounded muscular
impressions.—Mediterranean Sea and coasts of America. Ten species.

 Solecurtus radiatus.
 S. strigilatus.
 S. legumen.

        ·       ·       ·       ·       ·

 S. fragilis.*
 S. costatus.*
 S. Caribæus.*
 S. lucidus.*
 S. Nuttallii.*
 S. subteres.*
 S. Californianus.*


                     4. Genus _Glycimeris_. Pl. VI.

_Animal._ Unknown.

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