1134 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



SACCOCRINUS SACCULUS Meek and Worthen. See Periechocrinus whitfieldi. 

 SACCOCRINUS SEMIRADIATUS Miller. See Macrostylocriiius Bemiradiatus. 

 SACCOCRINUS SPECIOSUS Roemer. See Periechocrinus dubius. 



Saccophycus James. Genotype: Saccophycus intortus James. 



Saccophycus James, Paleontologist, No. 3, 1879, p. 17; Jour. Cincinnati Soc. Nat. 

 Hist., 7, 1885, p. 157. 



Saccophycus intortus James. 



Saccophycus intortus James, Paleontologist, No. 3, 1879, p. 17. 

 Maysville?: Near Lebanon, Ohio. 

 Observation. Not recognizable without a restudy of the type. 



SACCOSPONGIA Ulrich. Genotype: S. rudia Ulrich. 



Saccospongia Ulrich, Amer. GeoL, 3, 1889, pp. 235, 242. Miller, N. A. Geol. Pal., 

 1889, p. 164. 



Saccospongia danvillensis Ulrich. 



Saccospongia danvillensis Ulrich, Amer. GeoL, 3, 1889, p. 243. 



Trenton (Perryville): Boyle, Mercer, Franklin, and Fayette Counties, Kentucky. 



Cotypes. Cat. No. 46570, U.S.N.M. 



Saccospongia rudis Ulrich. 



Saccospongia rudis Ulrich,, Amer. GeoL, 3, 1889, p. 242, fig. 7. 

 Trenton (Cynthiana) : Near Lexington and Frankfort, Kentucky. 

 Cotypes. Cat. No. 46571, U.S.N.M. 



SACTOCERAS Hyatt. See Loxoceras McCoy. 



SACTOCERAS CANADENSE Whiteaves. See Actinoceras (Paractinoceras) canadense. 



S^ERICHNITES Billings. Genotype: S. abruptus Billings. 



Saerichnites Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 73. 

 Miller, N. A. GeoL Pal., 1889, p. 453. 



Saerichnites abruptus Billings. 



Saerichnites abruptus Billings, Cat. Sil. Foss. Anticosti, GeoL Surv. Canada, 



1866, p. 73. 

 Richmond (English Head): Near English Head, etc., Anticosti. 



SAFFORDIA Ulrich. Genotype: S. ventralis Ulrich. 



Saffordia Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 625. Grabau and Shimer, 

 N. A. Index Fossils, 1, 190.9, p. 384. 



Saffordia modesta (Ulrich). 



Cypricardites? modestus Ulrich, Amer. GeoL, 10, 1892, p. 100, pi. 7, figs. 5-7. 

 Saffordia modesta Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 627, pi. 41, figs. 

 29-31. Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 163. Grabau and 



Shimer, N. A. Index Fossils, 1, 1909, p. 385, fig. 489c. 

 Trenton: Oshkosh, Wisconsin; Goodhue and Fillmore Counties, Minnesot 



(Prosser); Baffin Land. 

 Holotype.Czt. No. 46307, U.S.N.M. 



Saffordia sulcodorsata (Ulrich). 



Cuneamya sulcodorsata Ulrich, 19th Ann. Eep. GeoL Nat. Hist. Surv. Minnesol 



1892, p. 248, fig. 32. 

 Saffordia sulcodorsata Ulrich, GeoL Minnesota, 3, pt. 2, 1894, p. 626, pi. 41, figs. 



32, 33. 



