BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1167 



SPBLEREXOCHUS— Continued. 



tract), 1847, p. 137, pi. 7, fig. 72.— Salter, Mem. Geol. Surv. Gt. Britain, 1, 

 1848, p. 344.— McCoy, Ann. Mag. Nat. Hist,, 2d eer., 4, 1849, p. 400— Bar- 

 rande, Neues Jahrb. f. Min., etc., 1850, p. 779; Syst. Sil. du Centre Boheme, 

 1, 1852, p. 805.— Salter, Mem. Geol. Surv. United Kingdom, dec. 7, 1853, 

 pi. 3.— Pictet, Traite de Pal., 2d ed., 2, 1854, p. 521.— Nieszkowski, Archiv. 

 f. Naturk. Liv.-Ehst-u. Kurl., 1, 1857, p. 594.— Salter, Mon. British Tril., Pal. 

 Soc, 1864, p. 76. — Barrande, Syst. Sil. du Centre Boheme, 1, Suppl., 1872, p. 

 109. — Steinhardt, Beit. z. Naturk. Preus. Phys.-Oekon. Gesell., Konigsberg, 

 1874, p. 60. — Angelin, Pal. Scandinavica, 3d ed., Holmiae, 1878, p. 36. — 

 Schmidt, Mem. l'Acad. Imp. Sci. St. Petersburg, 7th ser., 30, 1881, p. 188.— 

 Zittel, Handb. Pal., 2, 18S5, p. 619.— Miller, N. A. Geol. Pal., 1889, p. 567.— 

 Koken, Die Leitfossilien, Leipzig, 1896, p. 33, fig. 23, fig. 3. — Reed, Geol. 

 Mag., dec. 4, 5, 1898, p. 210.— Grabau and Shimer, N. A. Index Fossils, 2, 

 1910, p. 321.— Raymond, Zittel-Eastman Textb. Pal., 1913, p. 725. 



Sph.erexochus canadensis Billings. See Pseud osphaerexochus canadensis. 



Sph.«rexochus mirus Roomer. See Sphoorexochus romingeri. 



Spluerexochus parvus Billings. 



Billings, Can. Nat. Geol. , 4, 1859, p. 468, fig. 36. 



Sphserexochus parvus Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 133 

 fig. 66; Pal., Foss., 1, Geol. Surv. Canada, 1865, p. 180, fig. 161a, b— Miller 

 N. A. Geol. Pal., 1889, p. 567, fig. 1060.— Lesley, Geol. Surv. Pennsylvania 

 Rep. P 4, 1890, p. 974, fig. — Raymond, Annals Carnegie Mus., 3, 1905, p 

 366, figs. 4, 5; p. 372, pi. 14, fig. 22; 7th Rep. Vermont State Geol., 1910, p 

 246, pi. 36, fig. 22.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 321 

 fig. 1634e. 



Chazyan: Island of Montreal and Mingan Islands, Canada; Chazy, Valcour Island, 

 etc., New York; Isle La Motte, Vermont (Crown Point). 



Sphserexochus pisum Foerste. See Deiphon forbesi. 



Sphaerexochus romingeri Hall. 



Sphserexochus mirus Roemer , Sil . Fauna West Tennessee, 1860, p. 81 , pi . 5, fig. 20. — ■ 

 Hall, Adv. sheets 18th Rep. New York State Cab. Nat. Hist., 1865, p. 30; 

 20th Rep. New York State Cab. Nat. Hist., 1867, p. 334.— Foerste, Bull. Sci. 

 Lab. Denison Univ., 3, 1888, p. 121, pi. 13, fig. 6. 



Sphserexochus romingeri Hall, Geol. Surv. Wisconsin, 1, 1867, p. 434; 20th Rep. 

 New York State Cab. Nat. Hist., 1867, p. 375, pi. 21, figs. 4-7; 20th Rep. 

 New York State Cab. Nat. Hist., 1870, rev. ed., p. 425, pi. 21, figs. 4-7 — 

 Meek and Worthen, Geol. Surv. Illinois, 7, 1875, p. 510, pi. 24, fig. 4.— 

 Whitfield, Geol. Wisconsin, 4, 1882, p. 311, pi. 21, figs. 1-3.— Chamberlin, 

 ibid., 1, 1883, p. 195, fig.— Van Ingen, School of Mines Quart., 23, 1901, p. 

 35.— Kindle, 28th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1904, p. 483, 

 pi. 22, figs. 8-9, 12-15.— Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 

 4, pt. 2, 1907, p. 266, pi. 24, figs. 6-19.— Grabau and Shimer, N. A. Index 

 Fossils, 2, 1910, p. 321, fig. 1635. 



Niagaran: Milwaukee and Waukesha, Wisconsin; Bridgeport, Illinois (Racine); 

 Cedarville, Ohio (Guelph); Independence County, Arkansas (St. Clair); 

 Connor's Mill, etc., Indiana; West Tennessee (Brownsport). 



Sphserexochus romingeri? Hall 1877. See Cheirurus niagarftnsis. 



Sphjeroboluh Matthew. See Obolus subgenus Lingulobolus Walcott. 



