TABLE OF CONTENTS. IX 



Description of species — Continued. 

 Class Crinoidea — Continued. 



Order Monocyclica camerata — Continued. 

 Family Eucalyptocrinidse — Continued. 



Genus Eucalyptocrinus— Continued. Page. 



Species Eucalyptocrinus goldf u ssi 52 



nashvillse . . 53 



ventricosus 54 



gibbosus 54 



Family Dolatocrinidae . 55 



Genus Dolatocrinus 55 



Species Dolatocrinus grandis 55 



Family Coelocrinidse 57 



Genus Agaricocrinus 57 



Species Agaricrocrinus americanus 58 



arcula 59 



crassus 60 



ponderosus 60 



attenuata 61 



Family Batocrinidse 63 



Genus Batocrinus 63 



Species Batocrinus grandis 63 



gibbosus 64 



_ sayi 65 



Genus Eretmocrinus 66 



Species Eretmocrinus prsegravis 66 



spinosus 67 



ramulosus 68 



Genus Alloprosallocrinus 69 



Species Alloprosallocrinus tuberculosus 69 



conicus 71 



Genus Dizygocrinus 72 



Species Dizygocrinus sacculus 72 



unionensis 73 



divalis 74 



Genus Lobocrinus 74 



Species Lobocrinus nashvillse 75 



robustus 76 



Family Periechocrinidse 76 



Genus Periechocrinus 76 



Species Periechocrinus tennesseensis 76 



dubius 77 



Periechocrinus (?) 79 



F'amily Actinocrinidae 80 



Genus Actinocrinus 80 



Species Actinocrinus magniricus 80 



pernodosus 81 



Order Dicyclica inadunata 81 



Family Cyathocrinidse 81 



Genus Cyathocrinus 81 



Species Cyathorcrinus brittsi 81 



globosus 82 



municipalis 82 



