ORT.J 



BRACHIOPODA. 



357 



circularis, Winchell, 1880, Geo. Sur. Min. 



8th Rep., p. 66, Hud. Riv. Gr. 

 circulus, Hall, 1843, Geo. Rep. 4th Dist. 



N. Y., p. 71, and Pal. N. Y., vol. 2, p. 



86, Clinton Gr. 

 clarkensis, Swallow, 1863, Trans. St. Louis 



Acad. Sci., vol. 2, p. 81, Keokuk Gr. 

 cleobis, Hall, 1863, 16th Rep. N. Y. St. 



Mus. Nat. Hist., p. 35, Onondaga lime- 

 stone, and Up. Held. Gr. 

 clytie, Hall, 1861, 14th Rep. N. Y. St. 



Mus. Nat, Hist,, p. 90, Trenton Gr. 

 coloradoensis, Shumard, 1860, Trans. St. 



Louis Acad. Sci., vol. 1, p. 627, Pots- 

 dam Gr. 

 coloradoensis, Meek, 1870, see O. desmo- 



pleura. 

 concinna, Hall, 1859, Pal. N. Y., vol. 3, p. 



172, Low. Held. Gr. 

 conradi, Castelnau, 1843, Syst. Sil. p. 37. 



Not recognized, 

 conradi, Winchell, 1880, Geo. Sur. Minn. 



8th Rep., p. 68, Hud. River. Gr. 

 cooperensis, Swallow, 1863, Trans. St. 



Louis Acad. Sci., vol. 2, p. 82, War- 

 saw Gr. 

 corinna, Billings, 1865, Pal. Foss., vol. 1, 



p. 302, Quebec Gr. 

 costalis, Hall, 1847, Pal. N. Y., vol. 1, p. 



20, Chazy Gr. 



costata, Hall, 1845. This name was preoc- 

 cupied by Sowerby in 1839. See O. 



cincinnatiensis. 

 crassa, James, 1874. Gin. Quar. Jour. Sci., 



vol. 1, p. 20. The name was preoccupied 



by Lindstrom in 1860. See O. centrosa. 

 crispata, Emmons, 1842, Geo. Rep. N. Y., 



p. 404, Trenton Gr. 

 cumberlandia, Hall, 1859, Pal. N. Y., vol. 



3, p. 481, Oriskany sandstone, 

 cuneata, Owen, 1852, Geo. Sur. Wis., 



Iowa, and Minn., p. 585, Devonian, 

 cyclas, Hall, 1860, 13th Rep. N. Y. St. Mus. 



Nat. Hist., p. 78, and Pal. N. Y., vol. 4, 



p. 52, Ham, Gr. 



cydus, James, syn. for Orthis multisecta. 

 cypha, James. Not characterized so as to 



establish a species, 

 dalyana, S. A. Miller, 1881, Jour. Gin. Soc. 



Nat. Hist., vol. 4, p. 313, Burlington Gr. 

 davidsoni, Verneuil, 1840, Bull. Geol. Soc. 



France, vol. 5, p. 341, Up. Sil. 

 daytonensis, Foerste, 1885, Bull. Sci., Lab. 



Denison Univ., p. 87, Niagara Gr. 

 deflecta, see Streptorhynchus deflectum. 

 deformis, Hall, 1857, 10th Rep. N. Y. St. 



Mus. Nat. Hist., p. 44, Pal. N. Y., vol. 



3, p. 174, Low. Held. Gr. 

 delicatula, Billings, 1865, Pal. Foss., vol. 



1, p. 217, Quebec Gr. 

 dentata, Pander, 1830, (Porambonites den- 



tatus,) Bietr. Geogn. Russl., p. 100, 



Trent, and Hud. Riv. Gr. 

 desmopleura, Meek, 1872, Hayden's Geo. 



Rep. of Wyoming, p. 295, Silurian. 



Proposed instead of 0. coloradoensis. 

 dichotoma, svn. for Orthis fissicosta. 

 discus, Hall, 1859, Pal. N. Y., vol. 3, p. 



165, Low. Held. Gr. 



disparilis, Conrad, 1843, Proc. Acad. Nat. 

 Sci., vol. 1, p. 333, and Pal.N. Y., vol. 1, 

 p. 119, Black Riv. and Trenton Gr. 



dubia, Hall, 1858, Trans. Alb. Inst., vol. 

 4, p. 12, and Bull. Am. Mus. Nat. Hist., 

 p. 45, Warsaw Gr. 



eboracensis, n. sp., Up. Held. Gr. Pro- 

 posed instead of 0. lenticularis of 

 Vanuxem in Rep. 3d Dist. N. Y., p. 

 147, which was preoccupied. It was re- 

 described by Hall in Pal. N. Y., vol. 4, 

 p. 35. 



electra, Billings, 1862, Pal. Foss. vol. 1, p. 

 79, Quebec Gr. 



elegantula, Dalman, 1827, Kongl. Vet. 

 Acad. Handl., p. 117, and Pal. N. Y., 

 vol. 2, p. 57, and 252, Clinton and Ni- 

 agara Gr. 



FIG. 590. Orthis elegantula. Dorsal 

 and ventral views. 



ella, Hall, 1861, 13th Rep. N. Y. St. Mus. 



Nat. Hist., p. 121, Hud. Riv. Gr. 

 emacerata, Hall, 1860, 13th Rep. N. Y. 



St. Mus. Nat. Hist., p. 121, Hud. Riv. Gr. 

 emarginata, see Orthis oblata var. emargi- 



nata. 

 eminens, Hall, 1857, 10th Rep. N. Y. St. 



Mus. Nat. Hist., p. 42, and Pal. N. Y., 



vol. 3, p. 167, Low. Held. Gr. 

 erratica, Hall, 1847, Pal. N. Y.,vol. 1, p. 



288, Hud. Riv. Gr. 

 eryna, Hall, 1863, (Corrigenda eryna,) 



16th Rep. N. Y. St. Mus. Nat, Hist, p. 



35, and Pal. N. Y., vol. 4, p. 42, Cor- 



nif. Gr. Named instead of 0. sequival- 



vis in 10th Rep., p. 102. 

 eudocia, Billings, 1862, Pal. Foss., vol. 



1, p. 83, Quebec Gr. 

 eurekensis, Walcott, 1885, Monogr. U. S. 



Geo. Sur., vol. 8, p. 22, Up. Taconic. 

 euryone, Billings, 1862, Pal. Foss., vol. 1, 



p. 78, Quebec Gr. 

 evadne, Billings, 1862, Pal. Foss., vol. 1, 



p. 81, Quebec Gr. 

 fasciata, Hall, 1852, Pal. N. Y., vol. 2, p. 



255, Niagara Gr. 



fausta, Foerste, 1885, Bull. Sci. Lab. Dem- 

 son Univ., p. 85, Niagara Gr. 

 fissicosta, Hall, 1847, Pal. N. Y., vol. 1, 



p. 121, Hud. Riv. Gr. 

 fissiplica, Roemer, 1860, Sil. Fauna West 



Tenn., p. 64, Niagara Gr. 

 flabellum, Sowerby, 1839, in Murch. Sil. 



Syst., p. 639, and Pa,l. N. Y., vol. 2, p. 



254, Niagara Gr. 

 flava, Winchell, 1865, Proc. Acad. Nat. 



Sci., p. 117, Marshall Gr. 

 gemmicula, Billings, 1862, Pal. Foss., vol. 



1, p. 75, Quebec Gr. 

 gibbosa, Billings, 1857, Rep. of Progr. 



Geo. Sur. Can., p. 296, Black Riv. Gr. 

 hamburgensis, Walcott, 1885, Monogr. 



U. S. Geo. Sur., vol. 8, p. 73, Chazy Gr. 



