scHucHERT] INDEX AND BIBLIOGRAPHY. 401 



Spirifer pennatus (Atwater). Mareelliis, Hauiiltoii, and Chemung (Dev.). 



Terebratulii pennata Atwater, Aioejjcuu Jour. Sci. Arts, II, 1820, p. 244, i)l. 1, 

 figs. 2, 3. 



Delthyris inucrouata Coiirail, Fifth Ann. Rep. Geol. Survey Now York, 1841, p. 

 54.— Vanuxoiu, Geol. N. Y. ; Rep. Tliircl Dist., 1842, p. 150, fig. 3.— Hall, 

 Ibidem, Rep. Fourth Dist., 1843, p. 198, figs. 2, 3; p. 205, fig. 3 (non p. 270, 

 fig. 3 = S. pennatus posterns). — (Conrad) Hall, Fifteenth Rep. N. Y. State 

 Cab. Nat. Hist., 1862, pi. 11, fig. 18. 



Spirifer sowerbyi Castelnau, Essai Syst. Silurieu I'Amdrique Septentrionale, 1843, 

 pi. 13, fig. 1 (non Fischer). 



Spirifer lyelli de Verueuil, Ibidem, 1843, p. 43, 



Spirifer mucronata Hillings. Canadian Nat. Geol., 1, 1856, p. 474, pi. 7, figs. 9, 10. — • 

 Rogers, Geol. Pennsylvania, II, 1858, p. 828, fig. 668. 



Spirifera mucronata Billings, Canadian Jour., n. ser., VT, 1861, p. 254, figs. 59- 

 62;— Geol. Canada, 1863, p. 386, fig. 424.— Hall, Pal. New York, IV, 1867, p. 

 216, pi. 34, figs. 1-32.— Nicholson, Pal. Prov. Ontario, 1874, p. 80.— Whitfield, 

 Geol. Wisconsin, IV, 1882, p. 328, pi. 25, figs. 27, 28.— Hall, Second Ann. Rep. 

 N. Y. State Geol., 1883, pi. 59, figs. 13-22.— Calvin, American Geologist, 1, 1888, 

 p. 82. — Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. Survey, 1889, 

 p. 126, pi. 31, figs. 10, 11. 



Spirifer mucronatus var. Williams, Bull. Geol. Soc. America, I, 1890, pi. 12, 

 fig. 13. 



Spirifer mucronatus Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, pp. 14, 

 17, 36, pi. 29, fig. 8; pi. 34, figs. 13-22. 



Loc. New York, Pennsylvania, Maryland, Virginia; Bosauquet, Ontario; Mil- 

 waukee, Wisconsin. 



Ohs. Atwater's specimen was found in the drift of Ohio. Mr. Miller is correct 

 in regarding it the same as the well-known S. mucronatus. 



Spirifer pennatus posterns Hall and Clarke. Cberaung' (Dev.). 



Delthyris mucronata (partim) Hall, Geol. New York; Rep. Fourth Dist., 1843, 



p." 270, tig. 3. 

 Spirifer mucronatus var. posterns Hall and Clarke, Pal. New Y'ork, VIII, Pt. IJ, 



1895, p. 361, pi. 34, tigs. 27-31. 

 Loc, Tompkins County, New Y'ork. 



Spirifer pennatus tulliensis Williams. Tully (Dev.). 



Spirifer mucronatus var. tulliensis Williams, Bull. Geol. Soc. America, I, 1890, 



p. 491, pi. 12, fig. 12. 

 Loc. Tinkers Falls, New Y'ork. 



Spirifer pentlandi d'Orbigny. Carbon iferoiis. 



Spirifer pentlandi d'Orbigny, Voyage dans I'Amcrique Moridionale, Pal., 1842, 



p. 48, pi. 5, figs. 15. 

 Loc. Lake Titicaca, Bolivia. 



Spirifer perforata nall=Tiematospira perforata. 



Spirifer perextensus Meek and Wortben. Corniferou.s (Dev.). 



spirifera perexteusa Meek and Worthen, Geol. Survey Illinois, III, 1868, p. 414, 



pi. 10, fig. 1. 

 Loc. Near Jonesboro, Union County, Illinois. 

 Qhs. Regarded by Keyes as a synonym for S. ligu8 = S. iowaensis. 



Spirifer perlamellosns Hall=Deltbyris perlamellosa. 

 Spirifer perplexus McCbesney=Retieularia perplexa. 

 Bull. 87 26 



