68 



Platycrinus modestus VII, 77 



pettisensis VII, 73 



semifusus VII, 77 



sharonensis XII, 42 



subscitulus IX, 62 



sulciferus VII, 75 



tugurium VII, 70 



vascellum VI, 32 



Pleurocystidae n. fam VI, 60 



Pleurocystites niercerensis VI, 60 



Porocrinidae, n. fam V, 24 



Porocrinus kentuckiensis V, 24 



Posidonomya lasallensis XI, 12 



Poterioceras jerseyense XI, 32 



Poteriocrinus albersi IX, 29 



altonensis VII, 62 



arrectarius IX, 33 



blairi VII, 61 



bozemanensis X, 82 



broadheadi VII, 63 



circumtextus V, 31 



douglassi X, 83 



hammondi V, 35 



labyrintbicus IX, 34 



lautus IX, 30 



maccabei V, 34 



var. decrepitus V, 36 



neglectus IX, 31 



pulaskiensis VIII, 39 



sampsoni VII, 65 



scopae V, 33 



vagulus VI, 46 



Pterotocrinus wetberbyi VI, 44 



Receptaculites dixonensis XI, 47 



Retiocrinus alveolatus V, 26 



Rbodocrinus blairi IX, 37 



bozemanensis XII, 40 



bridgerensis XII. 41 



douglassi XII, 39 



Rusopbycus chesterense XII, 54 



montanense XII, 54 



Saccocrinus umbrosus VI, 24 



Sampsonocrinus n. gen VII, 51 



bemisphericus VII, 51 



Scaphiocrinus arrosus II T , 39 



martinensis III. 38 



notatus IX, 34 



Schizodus sedaliensis IX, 17 



Shumardocrinus n. gen VII, 40 



concinnus VII, 41 



Solenochilus benryvillense XII, 51 



Special remarks XII, 55 



Spbenotus sirmatus XI, 9 



Spirorbis blairi VII, 89 



Steganocrinus albersi XII, 33 



blairi XII, . 35- 



griffithi XII, 34 



