150 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Bythocypris grant! Ulrich. 



Bythocypris grant! Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 689, pi. 44, figs. 



39-42. 



Black River (Decorah): St. Paul and Minneapolis. Minnesota. 

 Cotypes.C&t. No. 41793, U.S.N.M. 



Bythocypris? lindstroemi Jones. 



Bythocypris? Lindstroemii Jones, Quart. Jour. Geol. Soc. London, 46, 1890, p. 



548, pi. 21, figs, lla-c. 

 Richmond (English Head and Charleton): South of Junction Cliff, Anticosti. 



Bythocypris nearpassi Weller. 



Bythocypris nearpassi Weller, Geol. Surv. Now Jersey, Pal. 3, 1903, p. 257, pi. 



23, fig. 12. 

 Helderbergian (Decker Ferry): Two miles south Tri-States, New York. 



Bythocypris? obtusa Jones. 



Bythocypris? obtusa Jones, Quart. Jour. Geol. Soc. London, 46, 1890, p. 549, pi. 



21, figs. 4a, b. 

 Richmond (English Head and Charleton): English Head, etc., Anticosti. 



Bythocypris punctulata arctata Ulrich and Bassler. 



Bythocypris punctulata var. arctata Ulrich and Bassler, Maryland Geol. Surv., 



Low. Dev., 1913, p. 540, pi. 98, fig. 22. 



Helderbergian (Keyser): Cumberland, Maryland; Keyser, West Virginia. 

 Holotype.C&t. No. 53290 U.S.N.M. 



Bythocypris punctulata niagarensis Ulrich. 



Bythocypris punctulata niagarensis Ulrich, Jour. Cincinnati Soc. Nat. Hist., 13, 



1891, p. 196. 



Clinton (Rochester): Lockport, New York. 

 Holotype.Ca,t. No. 41797, U.S.N.M. 



Bythocypris(?) robusta Ulrich. 



Bythocypris (?) robusta Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 690, figs. 52a-d. 

 Bythocypris (?) (Cytherellina?) robusta Grabau and Shimer, N. A. Index Fossils, 



2, 1910, p. 365, fig. 1667, 1, 1', m, n. 

 Black River (Platteville) : Dixon, Illinois. 

 Holotype.Czt. No. 41728, U.S.N.M. 



BYTHOPORA Miller and Dyer. 



Genotype: B. fruticosa Miller and Dyer=Helopora dendrina James. 

 Bythopora Miller and Dyer, Contr. Pal., No. 2, 1878, p. 6. Miller, N. A. Geol. 

 Pal., 1889, p. 295. Ulrich, Geol. Surv. Illinois, 8, 1890, p. 376; Geol. Minne- 

 sota, 3, 1893, p. 263; Zittel's Textb. Pal. (Eng. ed.), 1896, p. 277. Simpson, 

 14th Ann. Rep. State Geol. New York for 1894, 1897, p. 551. Nickles 

 and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 32. Orabau, Bull. 

 Buffalo Soc. Nat. Sci., 7, 1901, p. 166; Bull. New York State Mus., 45, 1901, 

 p. 166. Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 29. Grabau and 

 Shimer, N. A. Index Fossils, 1, 1907, p. 133. Cumings, 32d Ann. Rep. Dep. 

 Geol. Nat. Res. Indiana, 1908, p. 741. Hennig, Archiv fur Zool., 4, No. 

 10, 1908, p. 44. Bassler, Bull. U. S. Nat. Mus., 77, 1911, p. 240; Zittel- 

 Eastman Textb. Pal., 1913, p. 335. 



Bythopora alcicornis Ulrich. 



Bythopora alcicornis Ulrich, Geol. Minnesota, 3, 1893, p. 264, pi. 26, figs. 7-9. 



Simpson, 14th Ann. Rep. State Geol. New York for 1894, 1897, p. 551, fig. 



121. 



Black River (Decorah): Near Cannon Falls, Minnesota. 

 Cotypes.Ca,t. No. 43514, U.S.N.M. 



