388 BULLETIN 92; UNITED STATES NATIONAL MUSEUM. 



Dawsonoceras annulatum— Continued. 



Orthoceras (Dawsonoceras) cf. annulatum Kindle and Breger, 28th Ann. Rep. 



Dep. Geol. Nat. Res. Indiana, 1904, p. 472, pi. 19, figs. 3,*4. 

 Orthoceras (Cycloceras) annulatum Foerste, Proc. Boston Soc. Nat. Hist., 24, 



1889, p. 282, pi. 8, fig. 5. 

 Dawsonoceras annulatum Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 



58, figs. 1260, 1261. 

 Orthoceras annulatum var. americanum Foord, Cat. Fossil Ceph. British Mus., 



1888, p. 56.— Whiteaves, Pal. Foss. Geol. Surv. Canada, 3, pt. 2, 1895, p. 101. 

 Orthoceras (Dawsonoceras) annulatum var. americanum Kindle and Breger^ 



28th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1904, p. 472. 

 Dawsonoceras annidatum var. americanum Clarke and Ruedemann, New York 



State Mus., 5, 1903, p. 81, pi. 10, figs. 9-21; pi. 11, fig. 1.— Grabau and Shimer, 



N. A. Index Fossils, 2, 1910, p. 58. — Grabau, Michigan Geol. Surv., Geol. 



(1), 1909, p. 196, pi. 28, fig. 8; pi. 29, fig. 1. 

 Orthoceras nodocostum McChesney, Desc. New Fossils, 1861, p. 94; Plates 



Illust. N. Sp. Fossils, 1865, pi. 9, fig. 5. — Winchell and Marcy, Mem. Boston 



Soc. Nat. Hist., 1, 1865, p. 101. 

 Orthoceras nodocostatum McChesney, Trans. Chicago Acad. Sci., 1, 1868, p. 53, 



pi. 9, fig. 5. 

 Orthoceras Laphami McChesney, Desc. New Fossils, 1861, p. 91. 

 Orthoceras bartonense Spencer, Bull. Missouri State Mxis., 1, 1884, p. 60, pi. 7, 



fig. 7; Trans. Acad. Sci. St. Louis, 4, 1884, p. 609, pi. 7, fig. 7.— Clarke and 



Ruedemann, Mem. New York State Mus., 5, p. 83. 

 Orthoceras undulatum Hall, Pal. New York, 2, 1852, p. 293, pi. 64, fig. la-f ; pi. 



65, fig. 3. 

 Silurian: England; Gotland. Niagaran: New York; Canada; Ohio; Indiana; 



Tennessee; Wisconsin; etc. Upper Monroan: Michigan and Ontario. 

 Observation. — Several species may be included in the above synonymy. 



Dawsonoceras hammelli (Foerste). 



Orthoceras (Dawsonoceras) hammelli Foerste. Bull. Sci. Lab., Denison L^'niv., 



16, 1910, p. 74, pi. 1, fig. 4. 

 Pdchmond: Dog Falls and Madison, Indiana; Jefferson County, Kentucky 



( Whitewater-Saluda) ; West Milton, Ohio (Elkhorn). 



Dawsonoceras tenuilineatum Savage. 



Dawsonoceras tenuilineatum Savage, Bull. Geol. Surv., Illinois, 23, 1913, p. 119^ 



pi. 7, fig. 22. 

 Upper Medinan: Pike County, Missouri (Edgewood); Will County, Illinois (Chan- 

 nahon). 



DEIPHON Barrande. Genotype: D. forbesi Barrande. 



Deiphon Barrande, Neuea Jahrb. Min., etc., 1850, p. 779.— Pictet, Trait6de Pal., 

 2d ed., 2, 1854, p. 522.— Zittel, Handb. Pal., 2, 1885, p. 618.— Koken, Die 

 Leitfossilien, Leipzig, 1896, p. 33.— Reed, Geol. Mag., dec. 4, 5, 1898, p. 211.— 

 Beecher, Zittel-Eastman Textb. Pal., 1, 1900, p. 636.— Raymond, ibid., 2d 

 ed., 1913, p. 725. 



Deiphon amerlcanus Weller. 



Deiphon americanua Weller, BuU. Chicago Acad. Sci., Nat. Hist. Surv., 4, 1907, 



p. 268, pi. 24, fig. 14. 

 Niagaran (Racine): Joliet, Romeo, etc., Illinois. 



Deiphon forbesi Barrande. 



Deiphon forbesii Barrande, Haidinger's Berichte, 1850, p. 6.— Salter, Mon. British 

 Tril., 1865, p. 88, pi. 7, figs. 1-12.— Van Ingen, School of Mines Quart., 23, 

 1901, p. 35. 



