160 SYNOPSIS OF AMERICAN FOSSIL BRACHIOPODA. [bull.87. 



BILOBITES Linii.npus. Genotype Anomia biloba LiniiiTus. 



Bilobitos LinuaMis, Systenia Naturiu, od. Muller, VI, 1775, p. 325. — Hall, Hull. 



Geol. Soc. America, I, 1X89, p. 21. — Beechor, American Jour. Sci., 3d ser., 



XLII, 1891, p. 51.— Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, pp. 



204, 223 ;— Eleventh Ann. Rep. New York State Geologist, 1894, p. 269. 

 Diomlosia King, Mon. Permian Fossils England, Pal. Soc, 18.50, p. 106. 



Bilobites acutilobus (Kiugueberg). Niagara (Sil.). 



Ortliis acutiloba Kiugueberg, Proc. Acad. Nat. Sci. Pliiladelpliia, 1888, i». 134, 



pi. 7, fig. 5. 

 Bilobites acutilobns Beecher, American Jour. Sci., 3d ser., XLII, 1891, p. 52, ])1. 



1, iig. 1. 

 Loc. Lockport, New Y'ork. 



Bilobites bilobus (Liiiiineus), Niagara (Sil.). 



Anomia biloba Liuniv us, Systema Naturae, ed. XII, 1767, p. 11.54. 

 Delthyris sinnatus Hall, Geol. New York; Rep. Fourth Dist., 1843, p. 105, fig. 8. 

 Spirifer bilobus Hall, American .Jour. Sci., 2d ser., XX, 1849, p. 228; — Pal. New 



York, IV, 1852, p. 260, pi. 54, fig. 1. 

 Orthis biloba Hall, Twelfth Rep. New York State Cab. Nat. Hist., 1859, p. 



85;— Eleventh Rep. State Geol. Indiana, 1882, p. 286, pi. 27, fig. 16. 

 Bilobites bilobus Beecher, American Jour. Sci., 3d ser., XLII, 1891, p. 52, pi. 1, 



fig. 28. 

 Bilobites biloba Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, pp. 190, 204, 



205, 223, pi. 5B, tigs. 11-14. 



Loc. Lockport, New Y'ork ; AValdron, Indiana; Wisconsin. 



Bilobites various (Conrad). Lower Helderberg (Dev.). 



Delthyris bilobata Conrad (not Orthis bilobata Sowerby), Second Ann. Rep. 



New York Geol. Survey, 1838, pp. 112, 118. 

 Delthyris varica Conrad, Jour Acad. Nat. Sci. Philadelphia, VIII, 1842, p. 262, 



pi. 14, fig. 20. 

 Orthis varica HaW, Pal. New York, III, 1859, p. 179, pi. 24, fig. 1. 

 Orthis (Diccelosia) varica Hall^ Second Ann. Rep. New York State Geol., 1883, 



pi. 35, figs. 38-42. 

 Bilobites various Beecher, American Jour. Sci., 3d ser., XLII, 1891, p. 52, pi. 1, 



figs. 3-27.— Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, pp. 204, 223, 



pi. 5B, figs. 15-19. 

 Loc. Albany and Schoharie counties, New York; Decatur County, Tennessee; St. 



Blandine, New Brunswick. 



BOTSFORDIA Matthew. Genotype Obolus pulcher Mattbew. 



Obolus (Botsfordia) Matthew, Trans. Royal Soc. Canada, VIII, 1891, p. 148; X, 

 p. 90. 



Botsfordia pulchra Matthew. Middle Cambrian. 



Obolus pulcher Matthevp^, Canadian Record of Science, III, 1889, p. 306; — Trans. 



Royal Soc. Canada, VII, 1890, p. 151, pi. 8, figs. 1, 2. 

 Obolus (Botsfordia) pulcher Matthew, Trans. Royal Soc. of Canada, A'^III, 1891, 



p. 148. 

 Obolus? pulcher Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, pp. 81, 183, 



pi. 4K, fig. 22. 

 Obolus (Botsfordia) pulchra Matthew, Trans. Royal Soc. Canada, X, 1894, p. 



90, pi. 16, fig. 3. 

 Botsfordia pulchra Matthew, Trans. New York Acad. Sci., XIV, 1895, p. 115, pi. 3. 

 Loc. Canton Island, Now Brunswick. 



Brachymerus Shaler (non Dejean, 1834)=Anastrophia. 

 Brachyinerus reversus Shaler=Para.strophia reversa. 



