Nigerian Eocene Mollusca. 



INDEX OF GENERA AND SPECIES. 



abnormis (Pleurotoma), 24. 

 abundans (Plicatula), 65, 



66. 



acanthopterus (Murex), 31. 

 Acrilla, 50, 51, 105. 

 acuticosta (Cardita), 84. 

 aegyptiaca (Cardita), 83. 



(Lucina), 77. 



affinis (Acrilla), 50, 51, 105. 



(Scalaria), 50, 51. 



africana (Fossularca), 68, 

 1 06. 



(Striarca), 69, 106. 



- (Surcula), 22, 103. 

 africanus (Liomesus), 38, 



104. 

 (Rhopalithes),32, 



104. 



africanum (Sinum), 57, 106. 

 agglutinans (Trochus), 52. 

 aginensis (Ostrea), 63, 64. 

 Alipurpura, 31. 

 alveatum (Solarium), 53. 

 Amphiperas, 18, 19, 103. 

 ampla (Pleurotoma), 21. 

 Anadara, 69, Jl, 107. 

 Ancistrosyrinx, 21. 

 angulosum (Cerithium), 46, 



105. 



angulosus (Murex), 41, 104. 

 angusta (Ostrea), 63. 

 antediluvianus (Conus), 24. 

 antiquata (Area), 71. 

 apertus (Trochus), 60. 

 apftidis (Cerithium), 48. 

 Area, 68, 69, 71, 106. 

 Arcppagia, 93. 

 armigerus (Monoceros), 35. 

 asper (Murex), 31. 

 Athleta, 25, 26, 103. 



baoli (Cardita), 83. 

 bartonensis (Meretrix), 85, 



86. 



beaumonti (Cardita), 112. 

 Bela, 40. 

 Belemnites, n. 

 bellardii (Plicatula), 66. 

 Beloptera, n. 



Belosepia, n, 12, 103, 109. 

 bialata (Lucina), 77. 

 bicingulata (Stellaxis), 52, 



105. 

 bidigitata (Rostellaria), 12, 



14, 103. 



bistriatum (Solarium), 53. 

 boghosi (Turritella), 50. 

 bonellii (Cancellaria), 45. 

 Bonellitia, 44, 45, 105, 109. 

 bouryi (Lucina), 76. 



bovensis (Plicatula), 65, 66. 



bowerbanki (Cypraea), 18, 

 103. 



Buccinofusus, 21. 



Buccinopsis, 39. 



Buccinorbis, 37, 38, 104. 

 Buccinum, 39, 44, 104. 

 bulbiformis (Fusus), 36. 

 Bulbifusus, 35, 36, 104, 109. 

 bulbula (Athleta), 26. 



(Neoathleta), 26. 



(Voluta), 26. 



Bulla, 19. 

 Byssomya, loo. 



calcitrapa (Murex). 31. 



(Poirieria), 31, 



104. 

 calcitrapoides (Murex), 31. 



(Poirieria), 31. 



callipteryx (Lucina), 76. 

 Callista, 88, 89, 90, 108. 

 calvimontana (Natica), 55. 



(Neverita), 55, 



105, 109. 

 calvimontensis (Neverita), 



55- 



Calyptraea, 59, 60, 106, 109. 

 cnmerunensis (Lucina), 76, 



107, 1 10. 

 canaliculata (Solariaxis), 54, 



105. 

 canaliculatum (Solarium), 



54- 



canaliculatus (Sigaretvs), 56. 

 Cancellaria, 42, 43, 44, 45, 



105. 



capensis (Cyprsea), 19. 

 Capulus, 58. 

 Cardita, 80, 81, 82, 83, 84, 



107, 108, no, 112. 

 Cardium, 74, 107, no. 

 carinata (Cardita), 84. 

 carocollatum (Solarium), 53. 

 centenaria (Area), 106. 

 Cerithium, 46, 47, 48, 105. 

 cincta (Teredo), 102. 

 clathrata (Nerita), 56. 

 clathratum (Sinum), 56, 105, 



109. 



clathratus (Sigaretus), 57. 

 cleopatne (Neverita), 55. 

 Clinuropsis, 21. 

 Cominella, 39, 40, 41, 104. 

 compressa (Mactra), 93. 

 conicoturrita ^olutospina), 



27, 29, 104. 

 Conospirus, 24, 103. 

 Conus, 24, 28. 

 Coralliophaga, 99, 100, 102, 



1 08. 



Corbula, 95, 98, 108, no. 

 Cordiopsis, 85, 86, 87, 108, 



no. 



Cornulina, 34, 35, 104, 109. 

 corrugatum (Cerithium), 47. 

 cossmanni (Exechestoma), 



45,. 105. 

 costseimbricalis (Nucula), 



73, 107. 



costseirregularis (Cardita), 



81, 107. 

 costaenodulosis (Cardita) , 



82, 83, 84, 107. 

 crassa (Pseudoliva), 37. 

 Crassostrea, 62, 64, 106, 



109, 112. 



Crepidula, 58, 59, 106. 

 crepidularis (Calyptrsea), 59, 



106, 109. 



crispata (Ostrea), 63, 64. 

 Cryptostomus, 57. 

 cuneata (Cytherea), 90, 91. 

 Cyclas, 80. 

 Cyprcea, 18, 19, 103. 

 Cyprsedia, 19. 

 Cypraeovula, 19. 

 Cytherea, 85, 86, 87, 88, 



89, 90, 91, 108. 



dachelense (Cerithium), 47. 

 dalei (Buccinum), 39, 104. 

 decorata (Trigonostoma),43, 



105. 

 decussatus(Pectunculus), 72, 



107. 



Delphinula, 44. 

 dentata (Rostellaria), 13, 



103. 



dentifera (Lucina), 76. 

 Dentilucina, 78. 

 depressa (Mactra), 93. 

 diderrichi (Clinuropsis), 21. 

 Divaricella, 78, 80, 107, 



1 10. 



Dosinia, 85, 86, 87, 88. 

 douvillei (Cominella), 39, 

 104. 



eaglesomei (Phacoides), 75, 



78, 107, 1 10. 



ebeninum (Cerithium), 46. 

 elaboratum (Solarium), 54. 

 elegans (Cyprrea), 19. 



(Ostrea), 61. 



elongatotrigona (Callista), 



88, 1 08. 

 elongatum (Semiterebellum), 



17, i3- 

 eocenica (Coralliophaga), 99, 



102, 108. 



Eopleurotoma, 23, 24, 103. 

 evulsa (Bonellitia), 44, 105, 

 109. 



(Cancellaria), 44. 



evulsum (Buccinum), 44. 

 exarata (Corbula), 95. 

 Exechestoma, 45, 46, 105. 

 extensa (Ostrea), 61. 



falconeri (Crepidula), 58, 



1 06. 

 fayumensis (Cardita), 83, 



84, 108. 



ficus (Corbula), 98. 

 fittoni (Fusus), 36. 



fornicata (Crepidula), 58. 

 Fossularca, 68, 70, 71, 106. 

 fusiformis (Monoceros), 37. 

 Fusus, 22, 34, 36, 42, 104. 



Galactella, 68, 69, 71. 

 gallica (Acrilla), 51. 



(Corbula), 95. 



Gastrochaena, 100. 

 gigantea (Venus), 89. 

 gigantica (Ostrea), 61. 

 gingensis (Ostrea), 63. 

 Glycymeris, 72, 107. 

 grandis (Tellina), 92. 

 gryphoides (Ostrea), 63. 



haliotoideus (Helix), 57. 

 Helix, 57. 



herouvallensis (Fusus), 42. 

 heward-belli (Sinodia), 86, 



1 08. 



Hilda, 29, 30, 104. 

 Hipponyx, 59. 



insequivalvis (Area), 71. 

 inauratus (Fusus), 36, 104. 

 incrassata (Cordiopsis), 85, 



108, lio. 

 (Cytherea), 85, 



87, 1 08. 



(Meretrix), 85. 



(Sinodia), 85. 



(Venus), 85, 86. 



incurvata (Belosepia), 12. 

 indicus (Trochus), 52. 

 indigena (Crepidula), 59. 

 ingens (Pleurotoma), 20, 21. 



(Surcula), 20, 23, 103, 



109. 



jamaicensis (Lucina), 76, 77. 

 Jania, 41. 



Janiopsis, 41, 42, 104. 

 javanus (Murex), 21. 

 josephinia (Natica), 55. 



keelei (Pleurotoma), 21. 

 kitsoni (Buccinorbis), 37, 



104. 

 (Callista), 89, 108. 



lactea (Area), 68, 106. 

 laevigata (Cytherea), 88, 89, 



90, 1 08. 

 lajonkairii (Pleurotoma), 24, 



103. 



latissima (Tellina), 92. 

 leachi (Cryptostomus), 57. 

 libyca (Teredo), 102. 

 Liomesus, 38, 39, 104. 

 lirata (Crepidula), 59, 106. 

 Lithophaga, loo. 

 Lithophagella, 99. 

 longirostris (Ostrea), 63. 



(Sepia), ii. 



longispina (Sepia), 11. 

 Lovellia, 94, 96. 

 Loxocardium, 74. 



8 



