Report of the State Geologist. 253 



8. multicostatus, Castelnau, 1843. Probably identical with S. 

 divaricata Hall, 1857. 



S. multistriata, Hall, 1857 = Trematosj^ira multistriata. 



S. murchisoni, Castelnau, 1843. Very likely identical with S. arrecta, 

 Hall, 1859. 



S. mysticensis. Meek, 1873. Lower Carboniferous. 



S. neglecta, Hall, 1858. Keokuk. 



S. newberryi. Hall, 1883. Waverly. 



S. niagarensis, Conrad, 1842. Niagara. 



S. niagarensis var. oligoptycha, Roemer, 1860. Niagara. 



S. nictavensis, Dawson, 1878. Lower Devonian. 



S. nobilis, Barrande. Niagara. 



S. norwoodi, Meek, 1860. Middle Devonian. 



S. norwoodana, Hall, 1858. = Spiriferina norwoodana. 



S. novamexicana, Miller, 1881. Burlington. 



S. nympha, Billings, 1863. Lower Helderberg. 



S. octocostata. Hall, 1857. Lower Helderberg. 



S. opima, Hall, 1858. Syn. for S. rockymontana, Marcou. 



S. orestes. Hall and Whitfield, 1872. Chemung. 



S. oregonensis, Shumard, 1863. Coal Measures. 



S. osagensis. Swallow, 1860. Choteau. 



S. ovalis, Phillip's species, 1836. Davidson mentions having received 

 this species of Prof. Worthen from Keokuk, Iowa. He very likely 

 regarded S. suborbicularis, Hall, as a synonym. I have never seen 

 specimens of Phillip's species found in America. 



S. oweni, Hall, 1857. Hamilton. 



S. paradoxa, Schlotheim's species, 1813. Doubtfully identified by 

 Meek and Worthen in the Upper Helderberg of Illinois. 



S. parryana. Hall, 1858. Hamilton. 



S. peculiaris, Shumard, 1855. Kinderhook. 



S. pedroana, Rathbun, 1874. Middle Devonian of South America. 



S. pennata, Owen, 1852. Syn. for S. ligus, Owen. 



S. pennata, Atwater, 1820. Hamilton of Ohio. See S. mucronata. 



S. pentlandi, D'Orbigny, 1842. Carboniferous of South America. 



S. perextensa. Meek and Worthen, 1868. Corniferous. 



S. perforata, Hall, 1857. = Trematospira perforata. 



S. perlamellosa. Hall, 1857. Lower Helderberg. 



S. perplexa, McChesney, 1860. Carboniferous. 



S. pertenuis. Hall, 1857. Hamilton. 



S. peruviana, D'Orbigny, 1842 (Terebratula peruviana). Lower 

 Devonian of South America. 



S. pharovicina, A. Winchell, 1862. Huron. 



