CLASS IV. — ACEPHALA. Iv 



ORDER I. — AcEPHALA Testacea (continued). 



Family. Genus. Siihgenus. Example of Species. 



/I. Cardium Cardium edule, L. 



Hemicardium Card, cardissa, Chem. 



II. Donax, L Don. rugosa, Chem. 



C 1. Cyclas Tellina cornea, L. 



III. Cyclas, J 2. Cyrena, Lam Tell, fluminea, Chem. 



BruS' • • i ^' Cyprina, L Venus Islandica, Chem. 



\_ 4. Galathaea, Bnig, . . .Venus hermaphrodita, Chem. 



III. Corbis, Cm. Fimbria, Megerl. . Venus fimbriata, Chem. 



C These have been subdivided by 



I V . Tellma, L < Gmelin according to the 



V. form of the shell 



V. Loripes, PoU Tellina lactea 



VI. Lucina, Brug Venus Pennsylvanica, Chem. 



VII. Ungulina Un. transversa, Sowerby 



1. Venus prop. i)e?«-l Venus litterata, Chem. 

 march J 



VIII. Venus, 1 2. Astarta,^o«;. Cras-\ y^^^g ^^^^j^ H^^^ Lerin 

 Y < sma. Lam } 



'3. Cytherea, Lam Venus gigantea 



4. Capsa, Brug Venus deflorata, Chem. 



■ 5. Petricola, Lam. .,», Venus lapicida, Chem. 



IX. Corbula, Brug C. gallica 



slralis, Chem. 



(: 



X Mijf.frc T fl. Mactra, prop. Za?n..Myaau 



A . maccra, -tv . . | g. Lavignon Mya Hispanica, Chem. 



X- /I. Mya, prop. Lam. . . .Mya truncata, L. 



k 2. Lutraria, Lam Mactra lutraria. Lister 



^3. Anatina, Lam Solen anatinus, Chem. 



I Mva hin -^ ^' Sol6™y3) -^a™ Tellina togata, Poll 



• • X 5. Glycymeris, Lam\^ ^^y L. 



Cyrtodana,Z)a;<a. J 



6. Panopea, Mesnard . . Mya glycimeris, L. 



7. Pandora, Brug Tellina inequivalvis 



II. Byssomia, Cuv Mytilus pholadis, Miil. 



III. Hyatella, Daud> Solen minutus, L. 



{\. Solen, prop. Cuv. . .Solen vagina, Chem. 

 2. Sanguinolaria, Lam. .S. sanguinolentus, Chem. 

 3. Psammobia, Lam. . . Tellini gari, Lin. 

 4. Psamraothea, Zam. . P. violacea, Lam. 



V. Pholas, L Pholas dactylus, L. 



VI. 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 CI. echinata. Lam. 



XI. Aspergillium Asper Javaneus, Mart. 



