1492 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Atrypa reticularis Linnaeus. 



Barrandeoceras canaliculatus (Miller). 



Banandeocrinust indiancnsis (Miller and Gurley). 



Callicrinus beachleri Wachsmuth and Springer. 



Calymene niagarensis Hall. 



Conocardium elrodi Miller. 



Corydoccphalus byrncsanus (Miller and Gurley). 



Corydoccphalus phlyctainoides (Green). 



Cyphocrinus gorbyi Miller. 



Cyrtoceras howardi Miller. 



Cyrtoceras indianense Miller. 



Cyrtoceras nashvillense Miller. 



Dalmanella elegantula (Dalman). 



Dawsonoceras annulatum (Sowerby). 



Deltacrinus indianensis (Miller). 



Emperocrinus indianensis Miller and Gurley. 



Favosites spinigerus Hall. 



Gazdcrinus inornatus Miller. 



Gazacrinus ventricosus Wachsmuth and Springer. 



Gyroceras elrodi White. 



Habrocrinus howardi (Miller). 



Holocystites pustulosus Miller. 



Indianocrinus punctatus Miller and Gurley. 



Macrostylocrinus indianensis Miller and Gurley. 



Mariacrinus aureatus Miller. 



Mariacrinusf granulosus Miller. 



Melocrinus zqualis Miller. 



Melocrinus oblongus Wachsmuth and Springer. 



Periechocrinus ornatus (Hall and Whitfield). 



Periechocrinus umbrosus (Miller and Gurley). 



Petalocrinus longus Bather. 



Pisocrinus baccula Miller and Gurley. 



Pisocrinus gemmiformis Miller. 



Plasmoporafollis Edwards and Haime. 



Spirifer (Delthyris) crispus simplex (Hall). 



Spirifcr ( Eospirifcr) radiatus Sowerby. 



Streptelasma spongiaxis Rominger. 



Striatopora gorbyi Miller. 



Stribalocystites gorbyi Miller. 



Stribalocystites sphseroidalis Miller and Gurley. 



Stribalocystites tumidus Miller. 



Subulites bcncdicti Miller. 



Uncinulus stricklandi (Sowerby). 



Zophocrinus howardi Miller. 



NIAGAKAN (WALDKON) OF INDIANA, KENTUCKY, AND 

 TENNESSEE. 



Acacocrinus elrodi Wachsmuth and Springer. 

 Allonema waldronense Ulrich and Bassler. 

 Ampheristocrinusf calyx (Hall). 

 Ampheristocrinus typus Hall. 

 Amphicadia leidyi Hall. 

 Anastrophia internascens Hall. 

 Arctinurus occidentalis (Hall). 

 Atrypa. rcticularis (Linnseus). 

 Atrypa reticularis newsomensis Foerste. 

 Atrypa reticularis niagarensis Nettelroth. 

 Ascodictyon siluriense Vine. 

 Astylospongia imbricato articulata (Roemer). 

 Astylospongia praemorsa (Goldfuss). 

 Astylospongia prsemorsa pusilla Rauff. 

 Atrypina disparilis (Hall). 

 Aulopora prccius Hall. 

 Baryphylltimfungulus White. 

 Batostomella granulifera (Hall). 

 Bellerophon tuber Hall. 

 Bercnicea consimilis (Lonsdale). 



Bcyrichia granulosa Hall. 



Beyrichia waldronensis Ulrich and Bassler. 



Bilobites bilobus (Linnaeus). 



Botryocrinus nucleus (Hall). 



Botryocrinus polyx (Hall). 



Bumastus armatus (Hall). 



Bumastus ioxus Hall. 



Buthotrcphis gracilis crassa Hall. 



Calloporaff cervicornis Hall. 



Calloporatt diversa Hall. 



Calymene niagarensis Hall. 



Camarotcechia(f) acinus (Hall). 



Camarotcechia(f) indianensis (Hall). 



Camarotoechia neglecta (Hall). 



Camarotcechia (Slegerhynchus) whitei (Hall). 



Caryospongia juglans nuxmoschata (Hall). 



Ceramoporaf confluens Hall. 



Ccramoporaf explanata Hall. 



Ceramoporaf notha Hall. 



Ceramoporat raripora Hall. 



Ceratocephala fimbriata (Hall). 



Chaunograptus novcllus (Hall). 



Cheirurus niagarensis (Hall). 



Chilotrypa varia (Hall). 



Chilotrypa variolata (Hall). 



Chonetes novascoticus waldronensis Foerste. 



Chonetes undulatus Hall. 



Cladopora sarmentosa Hall. 



Clorinda fornicata (Hall). 



Coleolus spinulus Hall. 



Conularia infrequens Hall. 



Cornulitcs proprius Hall. 



Corynotrypa dissimilis (Vine). 



Corynotrypa elongata (Vine). 



Crania setifera Hall. 



Crania siluriana Hall. 



Crania spinigera Hall. 



Cyathocrinusf semulus Hall. 



Cyathocrinusf bcnedicti Miller. 



Cycloccras amycus (Hall). 



Cyphaspis christyi Hall. 



Cypricardinia arata Hall. 



Cypricardinia subovata Miller and Dyer. 



Cyrtia myrtia (Billings). 



Cyrtolites sinuosus Hall. 



Dalmanella elegantula (Dalman). 



Dalmanites bicornis (Hall). 



Dalmanites halli Weller. 



Dalmanites vcrrucosus (Hall). 



Dawsonoceras annulatum (Sowerby). 



Deltacrinus stigmatus (Hall). 



Deltacrinus tunicatus (Hall). 



Diamesopora infrequens (Hall). 



Diamesopora osculum (Hall). 



Diamesopora subimbricata (Hall). 



Diaphorostoma niagarense (Hall). 



Diaphorostoma niagarense multilineatum Calvin. 



Diaphorostoma plebium (Hall). 



Dictyonella reticulata Hall. 



Dimerocrinus halli (Lyon). 



Dimerocrinus inornatus (Hall). 



Dimerocrinus occidentalis (Hall). 



Dimerocrinus waldronensis (Miller and Dyer). 



Duncanella borealis Nicholson. 



Entomis waldronensis Ukich. 



Eridotrypa echinata (Hall). 



Eucalyptocrinus crassus Hall. 



