scHucHERT.] INDEX AND BIBLIOGRAPHY. 2S7 



Orthis (?) glypta Hall and Clarke. Niagara (Sil.). 



Ortliis ? glypta Hall and Clarke, Pal. New York, VIII, Pt. II, 1895, p. 359, pi. 84, 



figs. 8, 9, 

 Loc. Near Milwaukee, Wisconsin. 



Orthis balli Saflf'ord=Orthostrophia stropliomenoides. 



Ortbis Iiamburgcnsis Walcott=DaImanella bamburgensis. 



Ortbis baittii liatbbuii— Rbipidomella bartti. 



Orthis (?) bighlandensis Walcott. Lower Cambrian. 



Orthis( highlandensis Walcott, Bull. U. S. Geol. Survey, 30, 1886, p. 119, pi. 8, 



fig. 3. 

 Orthis highlandensis Walcott, Tenth Ann. Rep. U. S. Geol. Survey, 1891, p. 612, 



pi. 72, fig. 5. 

 Loc. Pioche and Highland Range, Nevada. 



Ortbis bipparionyx Hall=Hipi3arionyx proximus. 



Ortliis hippolyte Billings. Calciferous (Ord.). 



Orthis hippolyte Billings, Pal. Fossils, I, 1862, p. 81, fig. 73; p. 218.— Hall and 

 Clarke, Pal. New York, VIII, Pt. I, 1892, pp. 217, 221, 228. 



Orthis hippolyte? Meek, Sixth Ann. Rep. IT. S. Geol. Survey Terr., 1873, p. 464. 



Loc. Point Levis and Phillipsburg, Canada; Cow Head, Newfoundland; near 

 Malade City, Utah. 



Orthis (?) holstoni Safford. Trenton (Ord.). 



Orthis? holstoni (Saft'ord MS.) Hall and Clarke, Pal. New York, VIII, Pt. 1, 1892, 



pp. 218, 340, pi. 5A, figs. 35-37. 

 Loc. Near Nashville, Tennessee. 



Orthis humboldti d'Orbigny. Silurian. 



Orthis humboldti I d'Orbigny, Voyage dans rAmerique M^ridionale, Pal., 1842, 



p. 27. 

 Spirifer humboldtii d'Orbigny, Ibidem, i)l. 2, figs. 16-20. 

 Loc. Bolivia. 



Ortbis buroniensis Castlenau=Eaflnesqaina alternata. 



Ortbis bybrida Sowerby=Rbipidoniella bybrida, 



Ortbis idas Hall = Ortbis eryna. 



Ortbis idonea Hall = Tvbipidomella idonea. 



Ortbis ignota Sardeson=Dabnanella testndiuaria ignota. 



Ortbis imperator Billings=Hebertella imperator. 



Ortbis impressa Hall = Scbizopboria striatula. 



Ortbis ineqnalis Hall=Ortbotbetes intequalis. 



Ortbis Inca d'Orbigny = Rbipidomella inea. 



Ortbis infera Calvin =Dalmanella infera. 



Ortbis insculpta Hall=Hebertella insculpta. 



Ortbis iusiguis Hall=Sceuidium insignis. 



Ortbis iuterlineata Hall (non Sowerby) = Scbizopboria tioga. 



Ortbis interstriata Hall=Ortbotbetes interstriatus. 



Ortbis iowensis Hall =Scbizopboria striatula. 



Ortbis iowensis furnarius Hall=Scbizopboria striatula. 



Ortbis ipbigenia Billings=Dinortbis ipbigenia. 



Ortbis jamesi Hall=Plectortbis janiesi. 



Ortbis Jugosa James=Daliiianella testudinaria meeki. 



Ortbis kankakensis McCbesuey=Plectortbis kankakieusis. 



