BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 151 



Bythopora arctipora (Nicholson). 



Ptilodictya? arctipora Nicholson, Ann. Mag. Nat. Hist., 4th ser., 15, 1875, p. 180, 



pi. 14, figs. 4-4b; Pal. Ohio, 2, 1875, p. 262, pi. 25, figs. 9-9b.— Lesley, Geol. 



Surv. Pennsylvania, Rep. P. 4, 1889, p. 825, figs. 

 Bythopora arctipora Miller and Dyer, Contr. to Pal., No. 2, 1878, p. 6. — Bassler, 



Proc. U. S. Nat. Mus., 30, 1906, p. 19, pi. 2, figs. 1, 2.— Cumings, 32d Ann. 



Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 780, pi. 8, fig. 8; pi. 26, fig. 15, 15a. 

 Chsetetes minutus James, Paleontologist, 3, 1879, p. 20 (see James and James, 



Jour. Cincinnati Soc. Nat. Hist., 10, p. 173). 

 Eden: Cincinnati, Ohio, and vicinity. 



Bythopora delicatula (Nicholson). 



Chsetetes delicatulus Nicholson, Quart. Jour. Geol. Soc. London, 30, 1874, p. 505, 



pi. 29, figs. 8-8b; Pal. Ohio, 2, 1875, p. 199, pi. 21, figs. 9, 9a; Pal. Province 



Ontario, 1875, p. 30. 

 Monticulipora delicatula James and James, Jour. Cincinnati Soc. Nat. Hist., 10, 



1888, p. 173.— Miller, N. A. Geol. Pal., 1889, p. 197, fig. 196. 

 Bythopora? delicatula Ulrich, Contr. Micro-Pal., Cambro-Sil., pt. 2, 1889, p. 36.— 



Wbiteaves, Pal. Foss., 3, 1895, p. 116.— Nickles and Bassler, Bull. U. S. 

 Geol. Surv., 173, 1900, p. 184.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. 

 Res. Indiana, 1908, p. 781, pi. 8, fig. 7; pi. 27, fig. 1.— Grabau and Shimer, 

 N. A. Index Fossils, 1, 1907, p. 133. 

 Richmond: Oxford, Waynesville, etc., Ohio; Richmond and other localities in 

 Indiana; Weston and Toronto, Ontario; Stony Mountain, Manitoba. 



Bythopora dendrina (James). 



Helopora dendrina James, Paleontologist, No. 1, 1878, p. 3; No. 2, p. 14. 

 Bythopora dendrina Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 



185.— Bassler, Proc. U. S. Nat. Mus., 30, 1906, p. 20. 

 Bythopora fruticosa Miller and Dyer, Contr. Pal., No. 2, 1878, p. 6, pi. 4, figs. 6, 



6a.— Miller, N. A. Geol. Pal., 1889, p. 295, fig. 4G1. 

 Maysville (Fairmount) Cincinnati, Ohio, and vicinity. 



Bythopora fruticosa Miller and Dyer. See Bythopora dendrina. 



Bythopora gracilis (Nicholson). 



Chaetetes gracilis James, Cat. Low. Sil. Foss. Cincinnati Group, 1871, p. 3. — 



Nicholson, Quart. Jour. Geol. Soc. London, 30, 1874, p. 504, pi. 29, figs. 7, 7a; 



Pal. Ohio, 2, 1875, p. 198, pi. 21, figs. 8, 8b; Pal. Province Ontario, 1875, p. 



11; Ann. Mag. Nat. Hist., 4th ser., 28, 1876, p. 90, pi. 5, fig. 13. 

 Monticulipora (Heterotrypa) gracilis Nicholson, Genus Monticulipora, 1881, 



p. 125, pi. 2, figs. 1-lb, 20. 

 Monticulipora gracilis Hall, 12th Ann. Rep. Indiana Geol. Nat. Hist., 1883, p. 



248, pi. 10, figs. 1-3; pi. 11, fig. 11. — James and James, Joiu". Cincinnati Soc. 



Nat. Hist., 10, 1888, p. 173.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 



1889, p. 420, figs.— James, Jour. Cincinnati Soc. Nat. Hist., 1894, 16, p. 191. 

 Batostomella graciUs Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 141; 



6, 1883, p. 83; 14th Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 1886, p. 



103; Contr. Micro-Pal., Cambro-Sil., pt. 2, 1889, p. 35.— Miller, N. A. Geol. 



Pal., 1889, p. 294, fig. 458.— Ulrich, Geol. Surv. IlUnois, 8, 1890, p. 432, 



pi. 35, fig. 2. 

 Homotrypella gracilis Ulrich, Geol. Minnesota, 3, 1893, p. 228. — ^\^liteaves, 



Pal. Foss., 3, 1895, p. 115. 

 Bythopora gracilis Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 185.— 



Bassler, Proc. U. S. Nat. Mus., 30, 1906, p. 20.— Cumings, 32d Ann. Rep. 



Dep. Geol. Nat. Res. Indiana, 1908, p. 782, pi. 8, figs. 6, 6b; pi. 27. figs. 



2,2a. 



