8CHUCHERT.1 INDEX AND BIBLIOGRAPHY. 287 



Orthis (?) glypta Hull and Clarke. TSTiagarii (Sil.). 



Oitliis f glypta Ihill ;in<l Clarke, Pal. Now York, VIII, Pt. II, 1895, p. 359, pi. «4, 



11-8. 8, 9. 

 Loc. Near Milwaukee, Wisconsiu. 



Ortliis lialli 8at1or(l = ()rthostioplna stropliomeiioides. 



Ortliis liambnr<;-eiKsis Walc()tt=DaInianella liainburgeusis. 



Ortliis liarttii Katlibuii^Kliipidoiuella liartti. 



Orthis (?) highlandensis Wakjott. Lower Cambriau. 



Orthi8(f) highlandensis Wulcott, Bull. U. S. (ieol. Survey, 30, 1886, p. 119, pi. 8, 



tig. 3. 

 Orthis highlandensis Waleott, Tenth Ann. Rep. U. S. (Jeol. Survey, 1891, p. 612, 



pi. 72, (ig. 5. 

 Loc. Pioche and Highland Range, Nevada. 



Ortbis liii»i)ari()iiyx IIall = Hippari(niy\ proximns. 



Orthis hippolyte IMllings. Oalciferous (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. U. S. Geol. Survey Terr., 1873, j>. 464. 

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



Malade City, Utah. 



Orthis (?) holstoni Saftbrd. Treutou (Ord.). 



Orthis? holstoni (Safford MS.) Hall and Clarke, Pal. New York, VIII, Pt. I, 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 I'Amerique M^ridionale, Pal., 1842, 



p. 27. 

 Spirifer humboldtii d'( >rbiguy, Ibidem, pi. 2, figs. 16-20. 

 Loc. Bolivia. 



Orthis liuroniensis Cast]enau=Eafine8quiiia alternata. 



Orthis hybrida Sowerby = Rhipidomella hybrida. 



Orthis idas Hall = Ortliis eryna. 



Orthis idonea Hall=Khipidomella idonea. 



Orthis ignota Sardesou=Dalnianella testudinaria iguota. 



Orthis imperator Billings =Hebertella imperator. 



Orthis impressa Hall = iScbizoplioria striatula. 



Orthis iiiequalis Hall = Orthothetes iutequalis. 



Orthis iuca d'Orbigny=lvhipidomella inca. 



Orthis infera Calvin =Dalmauella infera. 



Orthis insculpta Hall=Hebertella insculpta. 



Orthis insignia Hall = Sceiiidium iusignis. 



Orthis interlineata Hall (non Sowerby) = Schizophoria tioga. 



Orthis interstriata Hall = Orthotlietes interstriatus. 



Orthis iowensis FIall=Schizophoria striatula. 



Orthis iowensis furnarius Hall = Schiz()phoria striatula. 



Orthis iphigenia ljillings=Dinorthis iphigeuia. 



Orthis jamesi Uall=PleetorthisJainesi, 



Orthis Jngosa Jaines=l)aliiianella testudinaria nieeki. 



Orthis kankakensis McChesuey^Plectortliis kaukakieusis. 



