FAUNAL LISTS. 



1467 



Tetradrfla lunatifera (Ulrich). 

 Tctranota bidorsata (Hall). 

 Tetranota obsolete I'lrich and Scofleld. 

 Tctranota scxcarinn'n Ulrich and Scofleld. 

 Trcmatis ottaicacnsis Billings. 

 Triptcroccras planoconvcxum (Ilall). 

 Trochoncma altum Ulrich and Scofleld. 

 Trochoncma fragile Ulrich and Scofleld. 

 Trochoncma (Euncma) robbinsi Ulrich and Scofleld. 

 Trochoncma {Euncma) saltcri Ulrich and Scofleld. 

 Trochoncma (Euncma) simile Ulrich and Scofleld. 

 Trochoncma subcrassum Ulrich and Scofleld. 

 Trochoncma umbilicatum (llall). 

 Vanmxmia abrwpta Ulrich. 

 Vanuxcm'ui hayniana (Sailord). 

 Mliitcavcsia subcarinata (Ulrich). 

 Whitella prxcipta Ulrich. 

 WhiteUa subcarinata Ulrich. 

 Whitella truncata Ulrich. 

 Zygospira rccurvirostris (Hall). 



TRENTON (STEWARTVILLE) OF UPPER MISSISSIPPI 

 VALLEY. 



Calocaulus cehlcrti Ulrich and Scofleld. 

 Fusispira inflata (Meek and Worthen). 

 Fusispira inflata ventricosa (Hall). 

 Fusispira subbrevis Ulrich and Scofleld. 

 JIormotoma(?) major (Hall). 

 Ilormotoma trentonensis Ulrich and Scofleld. 

 Lophospira augustina (Billings). 

 Lophospira augustina minnesotensis Ulrich and Sco- 

 fleld. 

 Jfaclurina cuncata (Whitfield). 

 Maclurina manitobensis (Whiteaves). 

 Maclurina subrotunda (Whitfield). 

 Macluritcs crassus (Ulrich and Scofleld). 

 Triptcroccras Iambi? Whiteaves. 

 Trochoncma umbilicatum (Hall). 



TRENTON (CURDSVTLLE) OF OHIO VALLEY AND 

 CANADA. 



Acsiocystitcs priscus Miller and Gurley. 

 Agclaerinitcs dicksoni Billings. 

 A mygdalocysiitix florealis Billings. 

 A mygdalocystitcs florcalis Ixvis Billings. 

 Amygdalocystilcs huntingtoni Wetherby. 

 A mygdalocyslitcs radiatus Billings. 

 A mygddlocystites tenuistriatus Billings. 

 Archxocrinus desidcratus W. R Billings. 

 Archxocrinus lacunosus (Billings). 

 Archxocrinus marginatus (Billings). 

 Archxocrinus microbasilis (Billings). 

 Archxocrinus pyri/ormis (Billings). 

 Archinacclla cingulata Ulrich. 

 Aslrocystitcs ottaicacnsis Whiteaves. 

 Astroporites ottawaemis Lambo. 

 A n locystites huxlcyi Billings. 

 Bathyurus inyalli Raymond. 

 Belcmnocystitcs vethcrbyi Miller and Gurley. 



Carabocrinus ovalis Miller and Gurley. 



Carabocrinus radiatus Billings. 



Carabocrinus vancortlandti Billings. 



Ceraurinus trentonensis Barton. 



Chcirocrinus logani (Billings). 



Chcirocrinus logani gracilis (Billis 



Clciocrinus rcgius Billings. 



S424C°— Bull. 02— vol 2—15 48 



Clciocrinus sculptus Springer. 

 Comarocystitcs punctatus Billings. 

 Crcmacrinus articulosus (Billirgs). 

 Crcmacrinus inxqualis (Billings). 

 Cremacrinus rugosus (Billings). 

 Ctcnodonta subrotunda (Ulrich). 

 Cupulocrinus conjugans (Billings). 

 Cupulocrinus humilis (Billings). 

 Cupulocrinus jewctti (Billings). 

 Cupulocrinus jewctti kentuckiensis Springer. 

 Cyclocystoides halli Billings. 

 Dcndrocrinus acutidactylus Billings. 

 Dendrocrinus proboscidiatus Billings. 

 Dinorthis pcctinella (Hall). 

 Edrioastcr bigsbyi (Billings). 

 Endoccras clarki (Wetherby). 

 Endoccras gracile (Wetherby). 

 Eoharpcs dentoni (Billings). 

 Glaucocrinus falconcri Parks and Alcock. 

 Glyptocrinus circumcarinatus Parks. 

 Glyptocrinus mercerensis Miller and Gurley. 

 Glyptocrinus ornatus Billings. 

 Glyptocrinus ramulosus Billings. 

 Glyptocystitcs multiporus Billings. 

 Hctcrocrinus millcri Wetherby. 

 Ih /crocrinus tenuis Billings. 

 Hybocrinus conicus Billings. 

 Hybocrinus tumidus Billings. 

 Ilybocyslites cldoncnsis (Parks). 

 Ilybocyslitcs problcmaticus Wetherby. 

 Lophospira bicincta (Hall). 

 Ohiocrinus bdlcvillensis (W. R. Billings). 

 Omospira alcxandra (Billings). 

 Orthis triccnaria Conrad. 

 Otlaivacrinus billingsi Springer. 

 Ottawacrinus typus W. R. Billings. 

 Palxocrinus angulatus ( Billings). 

 Palxocrinus pulchcllus Billings. 

 Palxocrinus rhombifcrus Billings. 

 Pcriglyptocrinus billingsi Wachsmuth and Springer. 

 Pcriglyptocrinus priscus (Billings). 

 Pctrasterrigidus (Billings). 

 Plcctambonitcs curdsvillcnsis Foerste. 

 PlcurocystHcs filitcxtus Billings. 

 Plcurocystites mercerensis Miller and Gurley. 

 PlcurocystHcs squamosus Billings. 

 Plcurocystites squamosus robustus (Billings). 

 Porocrinus conicus Billings. 

 Porocrinus kentuckiensis Miller and Gurley. 

 Protastcr whitcavesiana Parks. 

 rrotaxocrinus clcgans (Billings). 

 Frotaxocrinus Ixvis (Billings). 

 Raphistomina denticulata Ulrich. 

 Reteocrinus alvcolatus Miller and Gurley. 

 Reteocrinus slcllaris Billings. 

 Rhynchotrcma subtrigonalc (Hall). 

 Salpingostoma buclli kentuckiensis Ulrich and Sco- 

 fleld. 

 Sinuitcs canccllatus (Hall). 

 Sinuitcs pcrvolutus (Ulrich and Scofleld). 

 Stcnastcr saltcri Billings. 

 Strcptelasma corniculum Hall. 



Txniastcr cylindricus (Billings). 



Tctranota obsolcta Ulrich. 



Thrcshcrodiscus ramosus Focrsto. 



Yanuxcmia cardinata Ulrich. 



Vanvxemia gibbosa Ulrich. 



Zygospira rccurvirostris Hall. 



