ALPHABETICAL INDEX. 



Abra, 7, 29 

 Actseon, 9, 29 

 Actaeonema, 9 

 Alveinus, 24 

 Ampullina, 15 

 Ancylus, 10 

 Ancillopsis, 17 

 Anolomocardia, 4 

 Anomia, 3 

 Anomiidae, 3 

 Aplexa, 10 

 Aporrliais, 30 

 Architectonica, 13, 29 

 Arcliitectouicidse, 13, 29 

 Arcidse, 4 

 Arcoperna, 23 

 Astarte, 5, 23 

 Astartidse, 5, 23 

 Aturia, 19 

 Avicula, 4 

 Aviculidse, 4 

 Axinsea, 4, 23, 28 



Barbatia, 23 

 Belosepia, 19 

 Bracliiopoda, 2 

 Bulbifusus, 19, 

 Bulimus, 10 

 Bursa, 31 

 Busycou, 31 



Calyptropliorus, 13, 25 

 Campeloma, 12 

 Camptonectes, 3, 23 

 Capulidse, 24 

 Capulus, 24 

 Capularia, 2 

 Cancellaria, 13, 29 

 Cancellariids, 13, 29 

 Cardiidc-e, 6, 27 

 Cardium, 6, 27 

 Caricella, 6, 25, 30 

 Cassidulus, 22 

 Catinus, 15, 36 

 Coelopleurus, 22 

 Cellepora, 22 



Cerithiidse, 12 

 Ceritliioderma, 12 

 Cerithiopsis, 12 

 Cerethiopsidae, 14 

 Cerithium, 12 

 Chama, 28 

 Chione, 28 

 Chiton, 10 

 Cidaris, 22 

 Cidaridje, 22 

 Cinulia, 9 

 Cirsostrema, 14, 15 

 Clausilia, 10 

 Clavifusus, 19 

 Clavella, 19 

 Cleioderma, 12 

 Cochlospira, 18, 31 

 Compsopleura, 15 

 Concholepas, 11 

 Conomitra, 16 

 Conorbis, 18, 31 

 Couus, 13, 25, 30 

 Corbicula, 6 

 Corbula, 8, 24, 29 

 Cordieria, 30 

 Coruuliua, 17, 31 

 Crassatella, 5, 28 

 Crinoidea, 31 

 Cresstellaria, 1 

 Cryptogramma, 7 

 Cucullarca, 4, 28 

 Cylichna, 9, 29 

 Cypraja, 25, 30 

 Cymomia, 19 

 Cyprina, 6 

 Cypriuella, 6 

 Cyprinidse, 6 

 Cyrenidae, 6 



Dactylidffi, 17, 30 

 Dendi-ophyllaea, 26 

 Deiitaliidae, 10, 28 

 Dentaliiim, 10, 28 

 Dione, 7, 24, 28 

 Distorsio, 30 

 Discoflustrellaria, 2 



Disooidea, 22 

 Donacidae, 7 

 Donax, 28 

 Dosiniopsis, 6 

 Drillia, 18, 30 



Echinodermata, 2, 21 

 Echinoidea, 2, 21 

 Ecbiniantlius, 22 

 Echinocyamus, 31 

 Egeria, 7 

 Emarginula, 10 

 luidopachys, 2, 21 

 Ihitalophora, 22 

 Eocene (A.) ; Lower and 



Medial, 1 

 Eocene, (2 ) ; Upper, 21 

 Erycinidse, 24 

 I^lscliara, 22 

 I'lscharella, 22 

 Escharidfe, 22 

 Escharienella, 2 

 Euchelidon, 18 

 Enlima, 14 

 Eulimidae, 14 

 I']xilia, 18 

 Exilifusas, 19 



Fasciolaria, 16 

 P'asciolariidaj, 16 

 Ficopsis, 15, 29 

 Fissurella, 10, 28 

 Fissurellidae, 10, 28 

 Flabellnm, 2, 21 

 Flustrellaridae, 2 

 Foraminilera, 1, 22, 26 

 Fusimitra, 25, 29 

 Fusus, 19, 25, 30 



Gadus, 10 

 Gafrarium, 6 

 Galeodea, 15, 25, 29 

 Galeropsis, 11 

 Gari, 8, 28 

 Gasteropoda, 9 

 Gastroclisena, 9 



(39) 



