128 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



BOLBOCEPHALUS Whitfield. Genotype: Bathyurus seelyi Whitfield. 



Bolbocephalus Whitfield, Bull. Amer. Mus. Nat. Hist,, 2, 1890, p. 36. Miller, 

 N. A. Geol. Pal., 1st App., 1892, p. 705. 



Bolbocephalus seelyi (Whitfield). 



Bathyurus? Seelyi Whitfield, Bull. Amer. Mus. Nat. Hist., 1, 1886, p. 339, pi. 



33, fig. 12-18. 

 Bolbocephalus Seelyi Whitfield, Bull. Amer. Mus. Nat, Hist,, 3, 1890, pi. 3, 



figs. 1-8. Seely, Rep. State Geol. Vermont, 7, 1910, pi. 57, figs. 1-3. 

 Canadian (Beekmantown) : Fort Cassin, Vermont, and Beekmantown, New York. 



Bolbocephalus? truncatus Whitfield. 



Bolbocephalus? truncatus Whitfield, Bull. Amer. Mus. Nat. Hist., 3, 1890, p. 37, 



pi. 2, figs. 6-8. 

 Canadian (Beekmantown) : Fort Cassin, Vermont, 



BOLBOPO RITES Pander. Genotype: B. mitralis Pander. 



Bolboporites Pander, BeitragzurGeognosie Russlands, 1830, p. 106. Edwards and 



Haime, Mon. d. Polyp. Foss. Terr. Pal., 1851 (Arch. du. Mus. d'Hist, Nat., 5), 



p. 246. Eichwald, Leth. Rossica, 1, sect. 1, 1860, p. 495. Miller, N. A. 



Geol. Pal., 1889, p. 174. 



Bolboporites americanus Billings. 



Bolboporites americanus Billings, Canadian Nat. Geol., 4, 1859, p. 429, figs. 3-6; 

 Geol. Surv. Canada, 1863, p. 124, fig. 124a-d. Chapman, Canadian Jour., 

 n. s., 8, 1863, p. 195, fig. 165b; Expos. Min. Geol. Canada, 1864, p. 167, fig. 

 165b. Miller, N. A. Geol. Pal., 1889, p. 174, fig. 140. Ruedemann, Bull. 

 New York State Mus., 49, 1901, p. 11, pi. 1, fig. 1. 



Chazyan: Montreal and Mingan Islands, Canada; New York; Rysedorph Hill, 

 Rensselaer County, New York (Rysedorph). 



BOLIVIAN A Salter. Genotype: B. melocactus Salter. 



Boliviana Salter, Quart. Jour. Geol. Soc. London, 17, 1861, p. 71. 



Boliviana bipennis Salter. 



Boliviana bipennis Salter, Quart, Jour. Geol. Soc. London, 17, 1861, p. 72, pi. 5, 



fig. 11. 

 Ordovician(?): Valley of Unduavi, Bolivia. 



Boliviana melocactus Salter. 



Boliviana melocactus Salter, Quart. Jour. Geol. Soc. London, 17, 1861, p. 71, pi. 



5, fig. 9. 

 Ordovician(?): Valley of Aceromarka, Bolivia. 



Boliviana proboscidea Salter. 



Boliviana proboscidea Salter, Quart, Jour. Geol. Soc. London, 17, 1861, p. 71, 



pi. 5, fig. 10. 

 Ordovician(?): Valley of Aceromarka, Bolivia. 



B OL LI A Jones and Holl. Genotype: B. bicollina Jones and Holl. 



Bollia Jones and Holl, Ann. Mag. Nat. Hist., 5th ser., 17, 1886, p. 360. Krause, 

 Zeits. d. d. geol. Gesell., 41, 1889, p. 13. Miller, N. A. Geol. Pal., 1st App., 

 1892, p. 705. Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 668. Koken, Die 

 Leitfossilien, Leipzig, 1896, p. 40, fig. 26D. Ulrich, Zittel-Eastman Textb. 

 Pal. ,1,1900, p. 644. Grabau, Bull. New York State Mus., 45, 9,1901, p. 219. 

 Grabau, Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 219. Bonnema, Mitt. Min. 

 Geol. Inst. Groningen, 2, 1909, p. 57.- Grabau and Shinier, N. A. Index 

 Fossils, 2, 1910, p. 351. Bassler. Zittel-Eastman Textb. Pal., 2d ed., 1913, 

 p. 738. 



