182 SYNOPSIS OF AMERICAN I'OSSIL BKACHIOPODA. I hull. 87. 



Cleiothyris hirsuta Hall — Coutiuuecl. 



Cliothyris hirsuta Hall mid Clarke, Pal. New York, VIII, Pt. IT, 189.5, ]>1. 46, 



ligs. 25-28. 

 Loc. Spergen Hill, Indiana; Alton and Clioster, Illinois; Princeton, Kentucky; 

 Montana. 

 Cleiothyris missouriensis (Swallow). Upper Carboniferous. 



Spirigera missouriensis Swallow, Trans. St. Louis Acad. Sci., I, 1800, p. (550. 

 Loc. Montgomery and Chariton counties, Missouri. 



Cleiothyris obmaxima (McChesuey), Keokuk (L. Carb.). 



Athyris obmaxima McChesney, Descriptions New Pal. Foss., 1861, p. 80. 

 fSpirigera obmaxima White, Wheeler's Expl. Survey west 100 Merid., IV, 1875, 



p. 92, pi. 5, lig. 12. 

 Loc. Nauvoo and Warsaw, Illinois; Keokuk, Iowa; Mountain Spring, Nevada; 



Ophir City, Utah. 

 Ola. The specimen figured by White may be Athyris incrassata Hall. 



Cleiothyris obvia (McOhesuey). Kaskaskia (L. Carb). 



Athyris obvia McChesney, Descriptions New Pal. Foss., 1861, p. 81. 



Loc. Kaskaskia, Illinois. 



Ohs. Probably a synonym for C. roissyi. 



Cleiothyris orbicularis (McChesney). Upper Carboniferous. 



Athyris orbicularis McChesney, Descriptions New Pal. Foss., 1860, p. 47. 

 Loc. "Extensively distributed in the Western States." 



Ohs. Specimens of this species in the United States National Museum donated 

 by Professor Worthen show it to be a Cleiothyris. 



Cleiothyris reflexa (Swallow).. Warsaw (L. Carb.). 



Spirigera retiexa Swallow, Trans. St. Louis Acad. Sci., II, 1863, p. 88. 

 Loc. Barretts Station, St. Louis County, Missouri. 

 Ohs. Should be compared with C. roissyi. Regarded by Keyes as a synonym for 



Seminula trinuclea. Swallow's species, however, does not appear to be a 



Seminula. 



Cleiothyris roissyi (L'l^veille). Keokuk-Kaskaskia (L. Carb.). 



Spirifer de roissyi L'£veill6, Memoires Soc. G6ol. de France, II, 1835, p. 39, pi. 2, 



figs. 18-20. 

 Terebratula royssii Marcou, Geol. North America, 1858, p. 51, pi. 6, fig. 10. 

 Athyris sublamellosa Hall, Geol. Survey Iowa, I, Pt. II, 1858, p. 702, pi. 27, 



fig. 1.— Derby, Bull. Cornell Univ., I, 1874, p. 10, pi. 2, figs. 9-12; pi. 3, figs. 



15-21, 29; pi. 6, fig. 16; pi. 9, tigs. 5, 6. 

 Athyris parvirostris Meek and Worthen, Proc. Acad. Nat. Sci. Philadelphia, 1860, 



p. 451. 

 Spirigera americana Swallow, Trans. St. Louis Acad. Sci., II, 1863, p. 89. 

 Spirigera pectinifera Swallow (nou Sowerby), Ibidem, 1863, p. 88. 

 Athyris planosulcata Geinitz (non Phillips), Carbon u. Dyas in Nebraska, 1866, 



p. 42. — Meek and Worthen, Geol. Survey Illinois, II, 1866, p. 254, pi. 18, 



tig. 8. 

 Spirigera planosulcata? White, AVheeler's Rep. Geogr. Geol. Expl. Survey Avest 



100 Merid., IV, 1875, p. 143, pi. 10, fig. 5. 

 Athyris planosulcata? Hall and Whitfield, King's U. S. Geol. Expl. 40th Pari., 



IV, 1877, p. 257, pi. 4, figs. 10, 11. 

 ?Athyri8 roissyi Meek, Ibidem, 1877, p. 82, pi. 9, fig. 3. 



Athyris hirsuta Walcott, Mon. U. S. Geol. Survey, VIII, 1884, p. 222, pi. 18, fig. 5. 

 Cliothyris roysii Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 91, pi. 



46, figs. 23, 24; pi. 84, fig. 32, 



