160 SYNOPSIS OF AMERICAN FOSSIL liRACHIOPODA. [httll.S?. 



BILOBITES Liniireus. Genotype Anomia biloba Linnaeus. 



Biloliites LinnaMis, Systenia NaturtP, ed. Muller, A'l, 1775, p. 325. — Hall, Bull. 

 Geol. Soc. America, I, 1889, p. 21. — Beecher, American Jour. Sci., 3(1 set., 

 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. 

 Diccelosia King, Mon. Permian Fossils England, Pal. Soc, 1850, p. 106. 



Bilobites acutilobus (Riugueberg). Niagara (Sil.). 



Ortbis aciitiloba Rmgneberg, Proc. Acad. Nat. Sci. Philadelphia, 1888, p. 134, 



pi. 7, hg. 5. 

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



1, fig. 1. 

 Loc. Lockport, New York. 



Bilobites bilobus (Liinifeus). Niagara (Sil.). 



Anomia liiloba Liunans, Systema Naturre, ed. XII, 1767, p. ll.o4. 

 Delthyris siuuatns Hall, Geol. New York; Rep. Fourth Dist., 1843, ]). 10.", 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, 



lig. 28. 

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



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



Loc. Lockport, New York ; Waldron, 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 HaM, Pal. New York, III, 1859, p. 179, pi. 24, tig. 1. 

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



pi. 35, figs. 38-42. 

 Bilobites varicus 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. 5R, figs. 15-19. 

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



Blaudiue, New Brunswick. 



BOTSFORDIA Matthew. Genotype Obolus pulcher Mattliew. 



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

 p. 90. 



Botsfordia pulchra Matthew. Middle Cambrian. 



Obolus pulcher Matthew, 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, VIII, 1891, 



p. 148. 

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



pi. 4K, hg. 22. 

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



90, pi. 16, tig. 3. 

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

 Loc. Canton Island, New Brunswick. 



Brachymerus Shaler (non Dejeau, 1834)=Anastrophia. 

 Brachymerus reversus Shaler=Parastrophia reversa. 



