INDEX TO NAMES USED BY TROOST FOR SPECIES DISCUSSED IN THIS 



PAPER. 



Page. 



Actinocrinites agassizi Troost= Eretmocrinus ramulosus 68 



Actinocrinites cornutus Troost = Eretmocrinus praegravis 66 



Actinocrinites fibula Troost =Dizygocrinus sacculus 72 



Actinocrinites gibbosus Troost= Batocrinus gibbosus 64 



Actinocrinites holbrooki Troost= Lobocrinus robustus 76 



Actinocrinites humboldti Troost= Actinocrinus magnificus 80 



''Actinocrinites marineri Troost = Eretmocrinus spinosus 67 



Actinocrinites moniliformis Troost= Periechocrinusf, species undetermined 79 



Actinocrinites mortonii ^ mo&t \Dizygocrinus unionensis 73 



IDizygocrinus unionensis divalis 74 



Actinocrinites nashvillx Troost = Lobocrinus nashvillse 75 



Actinocrinites sayi Troost= Batocrinus sayi 65 



. . . . ± „ (Periechocrinus tennesseensis 76 



Actinocrinites tennesseex lroost=i _ . 7 . , , . 



iPeriechocrinus aubius 77 



Actinocrinites urna Troost = Ba tocrinus grandis 63 



Actinocrinites verneuili Troost= Melocrinus roemeri 44 



' Agaricocrinus americahus 58 



Agaricocrinus arcula 59 



Agaricocrinites tuberosus Troost= I Agaricocrinus crassus 60 



Agaricocrinus ponderosus 60 



Agaricocrinus attenuata 61 



Agassizocrinites dactyliformis (Troost) Shumard= Agassizocrinus dactyliformis . . . 96 



Agassizocrinites " doubtful'' = Agassizocrinus, species undetermined 97 



Agassizocrinites gracilis Troost =Scytalocrinusf gracilis 88 



Asterias antiqua Troost =Palaeaster antiqua 105 



Asterias tennesseex Troost. A pseudomorph 106 



Balanocrinites sculptus Troost =Lampterocrinus tennesseensis 103 



Cacabocrinites sculptus Troost = Do la tocrinus grandis 55 



Campanulites tessellatus Troost =Cleiocrinus tessellatus 100 



Caryocrinites globosus Troost= Caryocrinus globosus „ 11 



Caryocrinites granulatus Troost= Caryocrinus milligani 10 



Caryocrinites hexagonus Troost =Caryocrinus bulbulus 11 



Caryocrinites insculptus Troost= Caryocrinus milligani 10 



Caryocrinites meconideus Troost= Caryocrinus milligani 10 



Catillocrinites tennesseex (Troost) Shumard = Catillocrinus tennesseex 24 



Cidarites tennesseex Troost. Family Cidaridae, genus and species undetermined . 108 



Comatulal prisca Troost. Probably root of crinoid 106 



Codonicrinites gracilis Troost =Pterotocrinus acutus 43 



Conocrinites lex Troost= Alloprosallocrinus conicus 71 



Conocrinites tuberculosus Troost = Alloprosallocrinus tuberculosus 69 



Crumenxcrinites ovalis Troost = Periechocrinus tennesseensis 76 



Cupellxcrinites buchii Troost= Marsipocrinus tennesseensis 30 



Cupellxcrinites conicus Troost= Coccocrinus conicus 29 



Cupellxcrinites corrugatus Troost= Marsipocrinus corrugatus 35 



Cupellxcrinites inflatus Troost= Marsipocrinus striatus 33 



Cupellxcrinites laevis Troost = Marsipocrinus tennesseensis 30 



Cupellxcrinites magnificus Troost= Marsipocrinus magnificus. . .- 34 



109 



