y 
— 612 — 
Calyptrea, 1858.=Cancellaria, 1856.=Capsa, 1856.=Capsella, 1857.= 
Cardilia, 1873.=Cardita, 1843.=Cardium, 1814-45.=Carinaria, 1865.= 
Cassidaria, 1849.—Cassis, 1848.—Castalia, 1869. —=Cemoria, 1873.=Ceri- 
thidea, 1866. =Cerithium, 1865.—Chama, 1846-47, —Chamostrea, 1863.= 
Chilina, 1874.=Chiton, 1847-48.—Chitonellus, 1847. =Chondropoma, 1863. 
=Circe, 1863-64.—Clausilia, 1875-78. =Clavagella, 1872.—Columbella, 
1858-59. =Concholepas, 1863.=Conus, 1843-49. Corbis, 1872.=—Corbula, 
1843-44, —Crania, 1862. =Cranopsis y Zeidora, 1873.=Crassatella, 1843.= 
Crenatula, 1858.=Crepidula, 1859. =Orucibulum, 1858-59. =Cucullea, 1859. 
=Cultellus, 1874. —Cumingia, 1873. —Cyclophorus, 1861.—Cyclostoma, 
1862.=Cyclostrema, 1874.=0Uyclotus, 1863. =Cylindrella, 1875-78. =Cym- 
bium, 1861.=Cypreea, 1845-46. =Oypricardia, 1843. =Cyprina, 1873.=0y- 
rena, 1876-77.—CUytherea, 1864. 
Delphinula, 1843.—Dentalium, 1872.=Dione, 1863-64.—Dolabella. 
1868.=Dolabrifera, 1868. = Dolium, 1848-49.=Donax, 1854-55, 
Eburna, 1849. =Emarginula, 1873-14. —Erato, 1865.=Etheria, 1872.= 
Eulima, 1865-66. 
Fasciolaria, 15847,=Ficula, 1847.=Fissurella, 1842-50. = Fistulana, 
1876.=Fusus, 1847-48. 
Galatea, 1568.—Galeomma, 1874. —Gastrochoena, 1876.=Gena, 1874, 
=Glauconome, 1844, =Glycimeris, 1873. =Gnathodon, 1873. 
Halia, 1863.=Haliotis, 1845.=Haminea, 1868.= Harpa, 1843. =Helici- 
na, 1873-74. Helix, 1851-54.=Hemipecten, 1849.=Hemisinus, 1860.= 
Hinnites, 1853.=Hippopus, 1862. —Hydatina, 1868. =Hyria, 1869. 
lanthina, 1858.=l0, 1860.=lIridina, 1868.=Isocardia, 1845. 
Kuphus, 1875. ; 
Leda, 1871.—Lampania, 1866.=Leiostraca, 1866. =Leptopoma, 1862. 
=Lima, 1872.—Limnea, 1872.—=Lingula, 1859 =Linteria, 1870.=Litho- 
domus, 1858.=Littorina, 1857-58.=Lucina, 1850.=Lutraria, 1854. 
Mactra, 1854.—Magilus, 1872.=Malleus, 1858.—Mangelia, 1846.= 
Margarita, 1878.=Marginella, 1865. =Megaspira, 1874. Melania, 1859-61. 
=Melanopsis, 1860.=Melatoma, 1860.=Meroe, 1864.—Mesalia y Eglisia, 
1849. =Mesodesma, 1854.=Meta, 1859.=Mitra, 1844-45.=Modiola, 1857- 
58.=Monoceros, 1846.=Mulleria y Bartelettia, 1872.=Murex, 1845-49.= 
Mya, 1875.=Myadora, 1844. =Mycetopus, 1868. =Myochama, 1860. =My- 
tilimeria, 1875.=Mytilus, 1858. 
Nassa, 1853-54.=Natica, 1855.=Nautilus, 1861.=Navicella y Latia, 
1856.=Nerita, 1855.=Neritina, 1856.=Niso, 1866.=Nucula, 1870-71. 
Oliva, 1850.=Oniscia, 1849. =Orbicula, 1862. Ostrea, 1870-71. =0vu- 
lum, 1865. 
Paludina, 1863. =Paludomus, 1847. Pandora, 1874. =Panopea, 1873. 
—Partula, 1849-50,=Patella, 1854-55.=Pecten, 1852-53. =Pectunculus, 
1843.—Pedicularia, 1875.=Pedum, 1858. =Perna, 1858.=Petricola, 1874. 
—Pharus, 1874.—Phasianella, 1862. =Philine, 1870. =Pholadomya, 1872. 
=Pholas, 1872, =Phorus. 1843.=Physa, 1873-74.—Pinna, 1858-59.=Pi- 

