1132 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Romingeria vannula Davis. 



Romingeria vannula Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 



1885, pi. 75, figs. 1-3, 5. 

 Niagaran (Louisville): Louisville, Kentucky. 

 Cotype. Cat. No. 52743, U.S.N.M. 



ROPALONARIA VENOSA Uliich. See Rhopalonaria venosa. 

 ROSACILLA Roemer. See Berenicea Lamouroux. 



ROSENELLA Nicholson. Genofcape: R. glenelgensis Parks. 



Rosenella Parks, Univ. Toronto Studies (Geol. Series); No. 4, 1907, p. 23. 



Rosenella glenelgensis Parks. 



Rosenella glenelgensis Parks, Univ. Toronto Studies (Geol. Series), No. 4, 1907, 



p. 23, pi. 2, fig. 3; pi. 3, fig. 4; pi. 6, fig. 5. 

 Niagaran (Guelph): Durham and Elora, Ontario. 



Rosenella? manitoulinensis Parks. 



Rosenella(?) manitoulinensis Parks, Univ. Toronto Studies (Geol. Series), No. 5, 



1908, p. 42, pi. 12, fig. 3; pi. 14, fig. 8. 

 Niagaran: Manitoulin Island; drift at Ann Arbor, Michigan. 



ROUVILLIGRAPTUS Barrois. See Holograptus Holm. 

 RUEDEMANNIA Foerste. See Lophospira Whitfield. 

 RUSICHNITES Dawson. See Rusophycus Hall. 



RUSOPHTCUS Hall. Genotype: R. clavatum Hall. 



Rusophycus Hall, Pal. New York, 2, 1852/p. 23. Dawson, Canadian Nat. and 



Geol., n. s., 1, 1864, p. 363. Nathorst, Kongl. Sven. Vet.-Akad. Handl., 18, 



No. 7, 1881, p. 33. Dawson, Quart. Jour. Geol. Soc. London, 46, 1890, p. 



599.-James, Jour. Cincinnati Soc. Nat. Hist., 7, 1885, pp. 153-155. Miller, 



N. A. Geol. Pal., 1889, p. 138. 



Rhysophycus Roemer, Leth. geog., 1 Theil, Leth. Pal., Erste Lief, 1880, p. 130. 

 Rusichnites Dawson, Can. Nat. Geol., 1, 1861, p. 363. 



Rusophycus asperum Miller and Dyer. 



Rusophycus asper. Miller and Dyer, Jour. Cincinnati Soc. Nat. Hist., 1, 1878, 



p. 25, pi. 1, figs. 5, 5a. 



Cruziana aspera James, ibid., 7, 1885, p. 156. 

 Eden (Economy): Cincinnati, Ohio, and vicinity. 

 i 

 Rusophycus biloba (Vanuxem). 



Fucoides biloba Vanuxem, Nat. Hist. New York, pt. 3, 1842, p. 79, fig. 11, No. 1; 



ibid., pt. 4, 1843, p. 77, fig. 1; tab. ill. 9, fig. 1. Owen, Amer. Jour. Sci. 



Arts, 48, 1845, p. 307, fig. 1. Lincklaen, 14th Rep. New York State Cab. 



Nat. Hist., 1861, pi. 6, fig. 13. 

 Rusophycus bilobatus Hall, Pal. New York, 2, 1852, p. 24, pi. 9, figs, la-c. 



Rogers, Geol. Pennsylvania, 2, 1858, p. 822, fig. 626. Emmons, Man. Geol., 



1860, p. 107, fig. 1. Dana, Man. Geol., 1863, p. 235, fig. 365. Nicholson, 



Rep. Pal. Prov. Ontario, pt. 2, 1875, p. 37, fig. 14. Miller, N. A. Geol. Pal., 



1889, p. 914, fig. 

 Rhysophycus bilobatus Delgado, Etude Bilobites, Syst. Sil. Portugal, Lisbonne, 



Suppl., 1887, p. 65, pi. 8, fig. 5. 



Cruziana bilobata James, Jour. Cincinnati Soc. Nat. Hist., 7, 1885, pp. 154-57. 

 Clinton: Oneida County, New York. 



