1180 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



SPIRORBIS— Continued. 



p. 131.— Chapman, Expos. Min. Geol. Canada, 1864, p. 132.— Nicholson, Rep. 

 Pal. Proc. Ontario, pt. 1, 1874, p. 121— Zittel, Handb. Pal., 1, 1879, p. 

 564.— Etheridge, Geol. Mag., dec. 2, 7, 1880, pp. 110, 171, 215.— Vine, Quart. 

 Jour. Geol. Soc. London, 38, 1882, p. 378.— Waagen, Mem. Geol. Surv. India, 

 Pal. Indica, 13th eer., 1, 1885, p. 814— Miller, N. A. Geol. Pal., 1889, p. 521 — 

 'Grabau, Bull. Buffalo Soc. Nat. Sci., 6, 1899, p. 148— Hinde, Zittel-Eastman 

 Textb. Pal., 1, 1900, p. 253; 2d ed., 1913, p. 138.— Grabau and Shimer, N. A. 

 Index Fossils, 2, 1910, p. 235. 



Spirorbis cincinnatiensis Miller and Dyer. 



Spirorbis cincinnatiensis Miller and Dyer, Jour. Cincinnati Soc. Nat. Hist., 1, 

 1878, p. 38, pi. 1, fig. 13.— Hall, Pal. New York, 7, Sup., 1888, p. 17, pi. 115, 

 figs. 1, 2. 

 Maysville: Cincinnati, Ohio, and vicinity. 



Observation. — Probably based on young coiled specimens of Cornulites. 



Spirorbis? flexuosus Hall. 



Spirorbis? flexuosus Hall, Trans. Albany Inst., 4, 1863, p. 224. 

 Niagaran (Waldron): Waldron, Indiana. 

 Observation. — Probably a young coiled specimen of Cornulites. 



Spirorbis inornatus Hall. 



Spirorbis inornatus Hall, Trans. Albany Inst., 4, 1863, p. 224; 28th Rep. New 

 York State Mus. Nat. Hist., doc. ed., 1875, pi. 31, figs. 14, 15; mus. ed., 1879, 

 p. 181, pi. 31, figs. 14, 15; 11th Ann. Rep. Indiana Dept. Geol. Nat. Hist., 

 1882, p. 327, pi. 32, figs. 14, 15. — Lesley, Geol. Surv. Pennsylvania, Rep. 

 P 4, 1890, p. 1040, figs. 



Niagaran (Waldron): Waldron, Indiana; Newsom, Tennessee. 



Spirorbis laxus Hall. 



Spirorbis laxus Hall, Pal. New York, 3, 1859, p. 349, pi. 54, figs. 18a-18e.— 

 Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 1875, p. 84, figs. 44a, b. — Sherzer, 

 Geol. Surv. Michigan, 7, pt. 1, 1900, p. 225.— Grabau, Michigan Geol. Surv., 

 Geol. Ser., 1, 1909, p. 201, pi. 15, fig. 12.— Grabau and Shimer, N. A. Index 

 Fossils, 2, 1910, p! 235, fig. 1517. 



Cayugan (Manlius): Schoharie, New York. 



Lower Monroan (Raisin River): Monroe County, Michigan. 



Spirorbis? lovelandensis James. 



Spirorbis? Lovelandensis James, Paleontologist, No. 1, 1878, p. 7. 

 Maysville: Loveland, Clermont County, Ohio. 

 Observation. — Probably based on young specimen of Cornulites. 



Spirula mortoni Troost. Not recognized. 



Spirilla Mortoni Troost, 5th Geol. Rep. Tennessee, 1840, p. 51; ibid., 6th Rep., 



1841, p. 179. 

 Niagaran(?): Perry County, Tennessee. 



Spongia inciso-lobata Roemer. See Carpomanon incisolobatum. 



Spongia stellatim-sulcata Roemer. See Carpomanon stellatimsulcatum. 



SPYROCERAS Hyatt. Genotype: Orthoceras crotalum Hall. 



Spyroceras Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1884, p. 276; Zittel-Eastman 

 Textb. Pal., 1, 1900, p. 519; 2d ed., 1913, p. 600.— Graoau and Shimer, N. A. 

 Index Fossils, 2, 1910, p. 63. 



