ScfiDCHEHT.] INDEX AND BIBLIOGRAPHY. 40l 



Spirifer pennatus (Atwater). Marcellus, Hamilton, and Chemung (Dev.). 



Terebratula pennata Atwater, Aioejicau Jour, Sci, Arts, II, 1820, p. 244, pi. 1, 

 figs. 2, 3. 



Delthyris mucronata Conrad, Fifth Ann. Eep. Geol. Survey New York, 1841, p. 

 54.— Vanuxem, Geol. N. Y. ; Eep. Third Dist., 1842, p. 150, fig-. 3.— Hall, 

 Ibidem, Rep. Fouitli Dist., 1843, p. 198, figs. 2, 3; p. 205, fig. 3 (uon 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. Silurien I'Am^rique Septentrionale, 1843, 

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



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



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

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



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

 62;— Geol. Canada, 1863, p. 386, fig. 424.— Hall, Pal. New Y'ork, 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, pj). 14, 

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



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

 waukee, Wisconsin. 



Obs. 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. Chemung (Dev.). 



Delthyris mucronata (partim) Hall, Geol. New Y^ork; Rep. Fourth Dist., 1843, 



p.' 270, fig. 3. 

 "Spirifer mucronatus var. posterns Hall and Clarke, Pal. New York, VIII, Pt. II, 



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

 Loc, Tompkins County, New York. 



Spirifer pennatus tulliensis Williams, Tully (Dev.). 



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



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

 Loc. Tin iters Falls, New Y'ork. 



Spirifer pentlandi d'Orbigny. Carboniferous. 



Spirifer pentlandi d'Orbiguy, Voyage dans I'Amerique M^ridionale, Pal., 1842, 



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

 Loc, Lake Titicaca, Bolivia. 



Spirifer perforata Hall=:Trematospira perforata. 



Spirifer perextensus Meek and Wortben. Corniferous (Dev.). 



Spirifera perextensa Meek and Worthen, Geol. Survey Illinois, HI, 1868, p. 414, 



pi. 10, fig, 1. 

 Loc. Near Jonesboro, Union County, Illinois. 

 Ois. Regarded by Keyes as a synonym for S. ligus = S. iowaensis. 



Spirifer perlamellosns Hall = Delthyris perlamellosa. 

 Spirifer perplexus McChesney=Eeticularia perplexa. 

 Bull. 87 26 



