Xnclusa. IV. Cardiacea. 
CLASS IV. ACEPHALA. 
Iv 
ORDER I.— -Acephala Testacea ( continued ). 
Family. Genus. Subgenus . Example of Species. 
/I. Cardium Cardium edule, L. 
Hemicardium Card, cardissa, Chem. 
II. Donax, L • • .Don. rugosa, Chem. 
1. Cyclas Tellina cornea, L. 
2. Cyrena, Lam Tell, fluminea, Chem. 
3. Cyprina, L . . Venus Islandica, Chem. 
4. Galathaea, Brug. . . .Venus liermaphrodita, Chem. 
III. Corbis, CllV . Fimbria, Megerl. .Venus fimbriata, Chem. 
f These have been subdivided by 
IY. Tellina, L “ 
III. 
Cyclas 
Brug 
Lt. . . 
to the 
VIII. Venus 
L. . 
(i 
Venus litterata, Chem. 
'J- Venus scotica, Hans Lerin 
f 1. Mactra, prop. Lam. .Mya australis, Chem. 
(2. Lavignon Mya Hispanica, Chem. 
/ 
\ 
Gmelin according 
form of the shell 
Y. Loripes, Poll Tellina lactea 
YI. Lucina, Brug. Venus Pennsylvania, Chem. 
VII. Ungulina Un. transversa, Sowerby 
1. Venus, prop. Dela- 
march 
2. Astarta, Sow. Cras- 
sina, Lam. 
Cytherea, Lam Venus gigantea 
Capsa, Brug Venus deflorata, Chem. 
5. Petricola, Lam. . . a .Venus lapicida, Chem. 
IX. Corbula, Brug C. gallica 
X. Mactra, L 
]. Mya, prop. Lam. . . .Mya truncata, L. 
Lutraria, Lam. .... Mactra lutraria, Lister 
Anatina, Lam Solen anatinus, Chem. 
Solemya, Lam Tellina togata, Poli 
5. Glycymeris, Lam \ M ya siliqua, L. 
Cvrtodaria,Z)«Mf?. j 
Panopea, Mesnard . . Mya glycimeris, L. 
Pandora, Brug Tellina inequivalvis 
II. Byssomia, Cuv. Mytilus pholadis, Mul. 
III. Hyatella, Baud Solen minutus, L. 
L\. Solen, prop. Cuv. .. Solen vagina, Chem. 
Sanguinolaria, Lam. .S. sanguinolentus, Chem, 
Psammobia, Lam. . . Tellini gari, Lin. 
V4. Psammothea, Lam. . P. violacea, Lam. 
Y. Pholas, L. .Pholas dactylus, L. 
YI. Teredo, L T. navalis, L. 
VII. Fistulana, Brug Teredo clava, Gm. 
VIII. Gostrochsena, Spengler Pholas hyans, Chem. 
IX. Teredina, Lam T. personata, Lam. 
X. Clavagella, Lam Cl. echinata, Lam. 
XI. Aspergillium Asper Javaneus, Mart. 
I. Mya, Lin . 
I 
v 7- 
IV. Solen, L . . 
( 
