212

INDEX OF GENERA

(874, a few being duplicates).

Acanthopyge, 33.Acanthospongia, 3.Acaste, 33.

Acerocare, 33.Acervularia, 6, 194.Achilleum, 3.Acidaspis, 33, 71, 197.Acontheus, 34.Acroculia, 150, 167.Acrotreta, 88.Actinoeeras, 170.Actinoerinus, 18, 196.Actinodonta, 131.Actinopeltis, 34.Aetinophyllurn, 1, 194.JEglina, 34, 71, 72,198.

.Eonia, 65.Agacanthus, 35.Agelacrinites, 27, 197.Aglaspis, 35.

Agnostus, 35, 71,198,203.

Alecto, 78.

Alveolites, 6, 194.Ambonychia, 126.Amphion, 36, 71, 72,198.

Ampkispongia, 3, 194.Amphytrio, 36.Amplexus, 6.Ampullaria, 160.Ampyx, 36, 71, 72,198.

Amygdalocystites, 24.Anatifopsis, 197.Anatina, 131, 202.Aneuacanthus, 37.Angelina, 37.Anisophyllum, 6.Anodontopsis, 131.Anomalocystites, 24.Anomocare, 37.Anopocare, 37.Anopolenus, 37.Anthocrinus, 196.Antipleura, 202.Aphragmites, 170.Aphrodita, 29.Apiocystites, 24, 196.Arachnophyllum, 6.Area, 131.Archaocyathus, 3.Archseopora, 78.

Areia, 71.

Arenieolites, 29.Arethusina, 37, 72.Arges, 37.

Arionellus, 37, 198.Aristerospira, 6.Aristozoe, 200.Arraphus, 37.Arthroclema, 78.Arthrophycus, 1.Asaphus, 37, 71, 198,203.

Ascoceras, 170.Ascocrinus, 196.Aspidocrinus, 18.Astacoderma, 72.Astarte , 131, 202.

Asterias, 197.Asterocrinus, 18.Asterolepis, 192.Astaeospongia, 3.ABtroeerium, 6.Astylospongia, 3.Ateleocystites, 25.Atliyrus, 88, 201.Atops, 39.

Atractopyge, 39.Atrypa, 89, 201.Auchenaspis, 192.Aulacodus , 76.Aulacophyllum, 6.Aulopora.

Aulonotreta, 91.Avicula, 127, 202.Axinus, 131.

Bactrites, 171.Bactropus, 199.Bairdia, 72, 199.Balanocrinus, 18, 196.Barrandia, 39, 198.Basilicus, 39.Bathmoceras, 171.Bathyonotus, 40.Bathyurellus, 40.Bathyurus, 39, 198.Bavarilla, 203.Beatricea, 1, 194.Bellerophon , 143, 203.Berenicea, 78.Beyrichia, 72, 199.Blastoidocrinus, 18.Bohemilla, 71.Bolboceras, 173.Bolboporites, 6, 194.Bolbozoe, 200.Boliviana, 7, 29.Bothriocidaris, 27.Brachioerinus, 18.Brachiospongia, 194.Brachyaspis, 40.Brachythyris, 117.Brongniartia, 40.Bronteopsis, 41.Bronteus, 41, 71, 72,72*, 198. _

Bueania, 145.Buliraina, 6.

Bumastes, 42, 198.Bunoides, 73.Burraeisteria, 42.Buthograptus, 81.Buthotrephis, 1, 194.

Calamopora, 10.Calapoecia, 7.Calathium, 3.

Calceola, 7.Calliocrinus, 18.Callizoe, 200.Callocystites, 25.Callograptus, 81.Callopora, 7, 194.Calophyllum, 7.Calvmene, 42, 71,198,203.

Calyptrsea, 151, 167.Calyx, 18.

Camarella, 92.Camarium, 92.Cameroceras, 171.Campophyllum, 7, 194.Campylites, 29.Caninia, 16.

Cannopora, 7.

Capulus, 150, 167.Carabocrinus, 18.Cardiola, 131, 202.Cardiomorpha, 132,202 .

Cardita, 132.

Cardium, 132, 202.Carinaropsis, 151.Cannon, 44, 71, 72.Caryocaris, 73.Caryoerinus, 18.Caryocystites, 25, 196.Caryon, 192.Caunopora, 3.Cellepora, 78.

Celmus, 44.Centropleura, 44.Centrotheca, 145.Cephalaspis, 192.Ceramopora, 78.Ceratopyge, 44.Ceratiocaris, 73, 199.Ceraurus, 44.

Ceriopora, 78.Cerithium, 151.Chsetetes, 7, 194.Chariocephalus, 44.Chasmatopora, 78.Chasmops, 44.Cheirocrinus, 18.Cheirurus, 44, 71, 72,72*, 198, 203.Cbemnitzia, 151.Chiton, 151.

Chondrites, 29, 197.Chonetes, 92, 201.Chonophyllum, 8, 194.Cirrus, 151, 167.Cladograpsus, 81, 200.Cladopora, 8, 78, 200.Clathropora, 78.Cleidophorus, 132.Cleiocrinus, 18.Cleodora, 151.Climacograptus, 81.Climactichnites, 73.Clioderma, 151.

Cliona, 3, 194.Clisiophyllum, 8.Clisiospira, 151.Closterocrinus, 18.Clymenia, 171.Cnemidium, 3.Coccocrinus, 18.Coccoseris, 78.Coecosteus, 192.Cochlioceras, 171.Ccenites, 8.

Coleoprion, 146.Columnaria, 8, 194.Comarocystites, 25.Condylocrinus, 18.Conocardium, 132,202.Conocephalus, 45, 203.

Conocoryphe, 45, 198.Conophyllum, 8.Constellaria, 9.Conularia, 145, 203.Cophinus, 18, 192.Comulites, 29, 197,203.

Coronocrinus, 18.Corynexochus, 46.Corynoides, 78, 81.Coscinium, 3, 194.Coscinopora, 3.

Crania, 93.Crejncocephalus, 46,

Crinocystites, 25.Criseis, 6.

Cromus, 47, 72, 198.Crossopodia, 29, 197.Crotalocrinus, 18, 196.Crotalurus, 47.Cryptoceras, 170.Cryptocrinites, 25.Cryptonenius, 47.Cruziana, 29.Ctenacanthus, 192.Ctenoerinus, 19.Ctenodonta, 132, 202.Cuculleea, 134.Cucullella, 134.Cupellseerinus, 22.Cupressocrinus, 19.Cyathaxonia, 9.Cyathocrinus, 19, 196.Cyathophyllum, 9, 194.Cybele , 47, 198.Cycloceras, 171.Cyclocrinus, 19.Cyclocystoides, 25.Cyelolites, 9.Cycloneraa, 151.Cylindripora, 9.Cymbulia, 6.

Cyphaspis, 47, 72.Cyphoniscus, 48.Cypricardia, 134, 202.Cypricardinia, 135.Cyrtasna, 93.

Cyrtia, 93.

Cyrtoceras, 171, 184.Cyrtocerina, 173.Cyrtograpsus, 81, 200.Cyrtolites, 146, 167.Cyrtometopus, 48.Cyrtotheca, 146.Cystidea, 204.Cystiphyllum, 9, 195.Cystocrinus, 19.Cythere, 73, 199.Cytherina, 73.Cytheropsis, 74.Cytocrinus, 19.

Daedalus, 3.

Dalmania, 48, 72,

198.

Dania, 10.

Deiphon, 49, 72.Dekayia, 10.Delphinula, 167.Delthyris, 117.

Dendrocrinus, 19.Dendrocystites, 25,197.Dendrodus, 192.Dendrograptus, 81,200.Dendropora, 10.Dentalium, 152.Dexiospira, 6.Diamesopora, 78.Dianulites, 10.Diastopora, 78.Dicranograptus, 82.Dichograptus, 82, 200.Dictyocaris, 74.Dictyoceras, 173.Dictvoerinus, 19.Dictyolites, 1.Dictyonema, 82, 200.Didymograptus, 82,200.

Dikelooeplialus, 49,

199.

Dimerocrinus, 19.Dindymene, 50, 71,

72, 199.

Dionide, 50, 72.Diphyphyllum, 10.Diplastraa, 78.Diplograpsus, 83,200.Diplophyllum, 10, 195.Diplorrhina, 50.Dipterus, 192.

Discina, 93, 201, 204.Discinocaris, 74.Discoceras, 187.Biscophyllum, 10.Diseopora, 78, 200.Discosurus, 173.Disophonus, 30.Disteichia, 79.

Disteira, 135.Dithyocaris, 74.Dolabra, 135.Doliehometopus, 50.Doliehopterus, 74.Dysplanus, 50.

Eatonia, 94.Eecoptochile, 51.Ecculiomphalus, 147,167, 203.Echinocrinus, 19.Echinocystites, 25.Eehinoencrinites, 197.Ecbinospkoerites, 25,197.

Edmondia, 135.Edrioaster, 27.Edriocrinus, 19.Eichwaldia, 94.Eidothea, 74.Ellipsoeepkalus, 51,

199.

Emmonsia, 10.Enallocrinus, 19.Enallopora, 1(3.Enerinurus, 51, 199.Endoceras, 173.Endymionia, 51.Entomis, 74.Entomoconchus, 199.Eoptera, 135.