212 



INDEX OF GENEBA 



(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. 

 Actinoceras, 170. 

 Actinocrinus, 18, 196. 

 Actinodonta, 131. 

 Actinopeltis, 34. 

 Actinophyllum, 1, 194. 

 ^glina, 34, 71, 72, 



198. 



_3Lonia, 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. 



Amphispongia, 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. 

 Archaeocyathus, 3. 

 Archaeopora, 78. 

 Areia, 71. 

 Arenicolites, 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. 



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. 

 Dictyocrinus, 19. 

 Dictyolites, 1. 

 Dictyonema, 82, 200. 

 Didymograptus, 82, 



200. 

 Dikelocephalus, 49, 



199. 



Dimerocrinus, 19. 

 Dindymene, 50, 71, 



72, 199. 



Dionide, 50, 72. 

 Diphyphyllum, 10. 

 Diplasteea, 78. 

 Diplograpsus, 83, 200. 

 Diplophyllum, 10, 195. 

 Diplorrhina, 50. 

 Dipterus, 192. 

 Discina, 93, 201, 204. 

 Discinocaris, 74. 

 Discoceras, 187. 

 Discophyllum, 10. 

 Discopora, 78, 200. 

 Discosurus, 173. 

 Disophonus, 30. 

 Disteichia, 79. 

 Disteira, 135. 

 Dithyocaris, 74. 

 Dolabra, 135. 

 Dolichometopus, 50. 

 Dolichopterus, 74. 

 Dysplanus, 50. 



Eatonia, 94. 

 Eccoptochile, 51. 

 Ecculiomphalus, 147, 



167, 203. 

 Echinocrinus, 19. 

 Echinocystites, 25. 

 Ecbinoencrinites, 197. 

 Echinosphaerites. 25, 



197. 



Edmondia, 135. 

 Edrioaster, 27. 

 Edriocrinus, 19. 

 Eichwaldia, 94. 

 Eidothea, 74. 

 Ellipsocephalus, 51, 



199. 



Emmonsia, 10. 

 Enallocrinus, 19. 

 Enallopora, 10. 

 Encrinurus, 51, 199. 

 Endoceras, 173. 

 Endymionia, 51. 

 Entomis, 74. 

 Entomoconchus, 199. 

 Eoptera, 135. 



