286 SYNOl'.SIS OK AMERICAN FOSSIL IJKACHIOPODA. lrinLL.87. 



Orthis (?) eudocia ]iillinj;s. - Calciferoiis (Ord.). 



Oithis euilocia IJilliiigs, I'al. Fossils, I, li<6'2, p. 83, i\<^. 7t). 

 Loc. Point Levis, Canada. 



Orthis (?) eurekaensis Walcott. Ui)i)er Cambrian. 



Ortliis enrekonsiH Wali^ott, Mon. IT. S. Geol. Survey, VIII, 1884, p. 22, pi. 9, tig. 8. 



rrotorthis? eiirekensis Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 232. 



Loc. Eun^ka distriit, Nevada. 

 Orthis euryone ]>illiiigs. Calciferous (Ord.). 



Orthis euryone Billings, Pal. Fossils, I, 1862, p. 78, lig. 71.— Hall and Clarke, Pal. 

 New York, VIII, Pt. 1, 1892, pp. 221, 228, pi. 5, lig. 4. 



Orthis euryone? Matthew, Trans. Royal Soc. Canada, 1893, p. 101, pi. 7, fig. 5. 



Loc. Point Levis, Canada; near St. John, New Brunswick. 



Orthis evadiie BilliDgs=]^almaiiella evadne. 



Orthis lasciata Hall=Orthostrophia fasciata. 



Orthis fausta roerste=llebertella lausta. 



Orthis tissicosta Meek, aud Miller =Plectorthis dichotoma. 



Orthis fissicosta Hall=Plectorthis tissicosta. 



Orthis (?) fissiplica Koeuier. • Niagara (Sil.). 



Orthis fissiplica Roemer, Die silurische Fauna des wei?t. Tennessee, 1860, p. 64, 



pi. 5, fig. 5. 

 Loc. Perry County, Tennessee. 



Orthis flabella Hall=Ortliis flabellites. 



Orthis flabellites Foerste. Clinton and Magara (Sil.) 



Orthis flabellulum? Hall (non Sowerby), Geol. N. Y. ; Rep. Fourth Dist., 1843, p 



105, fig. 5. 

 Orthis flabellulum var. Hall, Pal. New York, II, 1852, pp. 254, 255, pi. 52, figs. 6, 7 

 Orthis flabellulum Billings, Canadian Nat. Geol., I, 1856, p. 136, pi. 2, tig. 6.— 



Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. Survey, 1889, p 



38, pi. 34, fig. 30. 

 Orthis flabella Hall, Second Ann. Rep. N. Y. State Geol., 1883, pi. 34, figs. 41, 42 



pi. 35, figs. 6-8.— Foerste, Bull. Denison Univ., I, 1885, p. 82, pi. 13, fig. 12 

 Orthis calligramma Foerste (non Dalman), Proc. Boston Soc. Nat. Hist., XXIV, 



1890, p. 308, pi. 6, figs. 4, 5. 

 Orthis flabellites Foerste, Ibidem, 1890, p. 311.— Hall and Clarke, Pal. New York, 



VIII, Pt. I, 1892, pp. 221, 227, pi. 5, figs. 37-41; pi. 20, fig. 1. 

 Orthis (Dinorthi.s) calligramma Foerste, Geol. Ohio, VII, 1895, p. 570, jil. 25, 



figs. 12a, 12b; pi. 31, figs. 4, 5; pi. 37A, fig. 20. 

 Loc. Lockport, Rochester, etc., New York; Dayton, Ohio; Osgood, Indiana; 



Louisville, Kentucky; Milwaukee, Wisconsin; Dundas, Ontario. 



Orthis flabellites spania Hall and Clarke. Niagara (Sil.). 



Orthis flabellites var. spania Hall and Clarke, Pal. New York, VIII, I't. II, 



1895, pi. 84, figs. 10. 

 Loc. Near Milwaukee, Wisconsin. 



Orthis flabellulum Hall (non Sowerby )= Ortliis flabellites. 



Orthis (?) flava A. Winchell. Kinderhook (L. Carb.). 



Orthis flava A. Winchell, Proc. Acad. Nat. Sci. Philadelphia, 1865, p. 117. 

 Loc. Burlington, Iowa. 



Orthis futilis Sardesou—Dalmanella testudinaria futilis. 

 Orthis gemmicula Billings=Orthidium gemmicula. 

 Orthis gibbosa Billings=Dalmanella subiT^quata gibbosa, 

 Orthis goodwiui Nettelroth=Khipidomella goodwiui, 



