SCHUCHBKT.] 



INDEX AND BIBLIOGRAPHY. 291 



Orthis plicatellii White (noii Uall)=Oithis tricenaria. 



Oithis plicatella Ilall = IMcctoitliis plicatella. 



Oithis itogoiiipciisis Hall and Wliitliekl = Daliuaiiclla pogoiiipeiisis. 



Orthis porcata McCoy = Dinoitliis porcata. 



Orthis (?) porcia llilliiigis. Cbazy (Ord.). 



Orthis poifia Hillings, CiUKidiaii Nat. Gool., IV, l.sr><J, p. 43!), figs. 16-18;— Geol. 



Cauaila, 18G3, p. IIJO, tig. 58. 

 Loc. Near Montreal, Cauada. 



Orthis porrecta Sardesoii=l)alniaiiena testudinaria porrecta. 



Oithis prii'Uinbona nall=Aiiiboc<idia i^neiimbona. 



Oithis i)iatteiii McChe.siiey = Derbya pratteni. 



Orthis pravus Hall=Orthothctes pravus. 



Orthis i)ropiuqiia nall = !Schizophoria propiiiqua. 



Orthis propiiiqua Nettehoth=Schizophoria striatiihi. 



Orthis (?) pumila Ulrich. Lorraiue (Ord.). 



Orthis costata (non Sowerby) Hall, American Jour. 8ci., XLVIII, 1845, p. 295. — 



Miller, Cincinnati Quart. Jour. Sci., II, 1875, p. 33. 

 Orthis pumila Ulrich, Catalogue Cincinnati Fossils, 1880, p. 14. 

 Orthis cincinnatiensis Miller, American Pal. Fossils, 2d ed., 1883, p. 296. 

 Loc. Cincinnati, Ohio. 



Orthis (?) punctostriata Hall. Magara (Sil.). 



Orthis punctostriata Hall, Pal. New York, II, 1852, p. 254, pi. 52, fig. 5. 

 Orthis? punctostriata Hall and Clarke, Ibidem, VIII, Pt. I, 1892, p. 217, pi. 20, 



figs. 2-4. 

 Loc. Lockport, New York. 



Orthis pyramidalis HaIl=Scemdiiim pyramidalis. 



Orthis quacoensis Matthew =Billiiigsella quacoensis. 



Orthis quadrans Hall=Dalmauella quadrans. 



Orthis qiiadricostata Vaiiiixem=Leiorhyiichus (piadricostatum. 



Orthis(?) remnicha l!^. H. Winchell. Upper Cambrian. 



Orthis remnicha N. H. Winchell, Fourteenth Ann. Rep. Geol. Nat. Hist. Survey 



of Minnesota, 1886, p. 317, pi. 2, fig. 7. 

 £oc. Red Wing, Minnesota; Cold Creek Canyon, Burnett County, Texas. 



Orthis resupinata Hall, 1843 (non Martin ) = Schizophoria tulliensis. 



Orthis resupinata Martin=Schizophoria resupinata. 



Orthis resupinata latirostrata Toula=Schizophoria cora. 



Orthis resupinoides Cox=Schizophoria resupinoides. 



Orthis retrorsa Salter =Dinorthis retrorsa. 



Orthis rhynchouelliformis Shaler=Ehipidomella rhynchouelliformis. 



Orthis richmonda McChesuey=Derbya crassa. 



Orthis robusta Hall=Derbya robusta. 



Orthis rogata Sardesou=Dalnianella testudinaria. 



Orthis (?) rugiplicata Hall and Whitheld. Niagara (Sil.). 



Orthis rugrr-plicata Hall and Whitfield, Twenty-fourth Rep. N. Y. State Cab. Nat. 

 Hist., 1872, p. 182;— Twenty-seventh Rep. Ibidem, 1875, pi. 9, figs.s^^.tc. 

 Hall, Second Ann. Rep. N. Y. State Geol., 1883, pi. 31, figs. 25-27 

 roth, Kentucky Fossil Shells, Mem. Kentucky Geol. Survey, 18'ije distinct 

 27, figs. 1-3. 

 Orthis rugiplicata, Hall and Clarke, Pal. New York, VIII, Pt. I, 

 Loc. Louisville, Kentucky. 



