SYNONYMIC REFERENCES. 33 



Present reference. 



affinis [Lingulepis], Walcott [1889a, p. 381] Obolus (Lingulobolue) aflBnia. 



affinis [Lingulobolua], Grabau [1900, pp. 621-622] Do. 



Matthew [1895b, pp. 261-262] Do. 



affinis [Obolus (Lingulobolus)], Walcott [lS98a, p. 327] Do. 



affinis cuneata [Lingulobolus], Matthew [1895b, p. 262] Do. 



agnostorum [Lingula], Wallerius [1895, pp. 64-65] Lingulella agnostorum. 



agreate [Orthis (Plectorthis)], Walcott, [1906, p. 570] Eoorthis agreate. 



alabamaensis [Iphidea], Walcott [1897b, pp. 713-714] Micromitra alabamaensis. 



alandensis [Obolus (Westonia)], Walcott [1905a, p. 334] Obolus (Westonia) aiandensis. 



alata? [Kutorgina], Moberg [1892b, p. 113] Belongs with an undetermined genua. 



alata [Syntrophia], Walcott [1905a, p. 290] Syntrophia alata. 



alatus [Obolus (Schmidtia) acuminatus], Mickwitz [1896, pp. 183-184] Obolus (Schmidtia) acuminatus. 



alberta [Billingsella], Schuchert [1897, p. 158] Nisusia alberta. 



alberta [Nisusia], Walcott [1905a, pp. 248-249] Do. 



Walcott [190Sc, p. 245] Do. 



alberta [Orthisina], Matthew [1902c, p. 109] Do. 



Walcott [1889c, p. 442] Do. 



alta [Acrotreta idahoensis], Walcott [1902, p. 588] Acrotreta idahoensis alta. 



ambigua [Billingsia?], Ford [1886a, p. 467] Elkania ambigua. 



ambigua [Elkania], Ford [1886b, p. 325] Do. 



Hall and Clarke [1892c, p. 78] Do. 



ambigua [Obolella?], Walcott [1884b, pp. 67-68] Do. 



amii [Nisusia (Jamesella)], Walcott [1905a, p. 252] Nisusia (Jamesella) amii. 



ampla [Lingula], Hall [1863, p. 125] Lingulella ampla. 



Hall [1867, pp. 101-102] Do. 



Owen [1852, p. 583] Do. 



ampla [Lingulella], Schuchert [1897, p. 257] Do. 



amplua [Obolua (Lingulella)], Walcott [1898b, pp. 392 and 394, PI. XXVIII]. Do. 



anceps [Obolus], Walcott [1898b, pp. 388-389] Obolus anceps. 



ancilla [Lingula], Barrande [1879b, PI. CXI, fig. vi] Obolua ? ancillus. 



angulatua [Obolus (Schmidtia) crassus], Mickwitz [1896, pp. 193-194] Obolus (Schmidtia) crassus. 



anomala [BUlingsella?], Walcott [1905a, p. 230] Wimanella ? anomala. 



Anomitea lenticularis Wahlenberg [1821, pp. 66-67] Orusia lenticularia. 



antiqua [Lingula], Billings [1856, p. 34] Lingulella (Lingulepia) acuminata. 



Emmons [1842, p. 268] Do. 



Emmons [1863, p. 92] Do. 



Hall [1847, pp. 3-4] Do. 



Hall [1851, pp. 204-205] Do. 



Hall [1862, fig. 2, p. 21] Do. 



Hayden [1862, p. 73] Do. 



James [1895, p. 884] Do. 



Owen [1851, p. 170] Do. 



Rogers [1861, p. 390] Obolus (Westonia) rogersi. 



antiquata [Camarella?], Hall and Clarke [1893b, pp. 220-221] Swantonia antiquata. 



antiquata [Camarella], Walcott [1886b, pp. 122-123] Do. 



Walcott [1891a, p. 613] Do. 



antiquata [Camerella], Billings [1861b, pp. 10-11] Do. 



Billings [1861c, p. 949] Do. 



Billings [1862e, p. 221] Do. 



Billings [1863, fig. 290, p. 284] Do. 



antiquata [Lingula], Emmons [1855, pp. 202-203] Lingulella (Lingulepis) acuminata. 



antiquata [Protorhyncha?], Schuchert [1897, p. 334] Swantonia antiquata. 



antiquata [Swantonia], Walcott [1905a, pp. 296-297] Do. 



antiquissima [Acritis], Gagel [1890, p. 22] Obolua (Acritis) antiquissimus. 



Hall and Clarke [1892c, p. 82] Do. 



Volborth [1869, pp. 212-217] Do. 



antiquissima [Aulonotreta], Hall and Clarke [1892a, figs. 246 and 247, p. 244] Do. 

 Hall and Clarke [1892b, figs. 246 and 247, p. 560] . Do. 



antiqulasimus [Obolua], Eichwald [1859, PI. XXXVII, figs. 5a-d] Do. 



Eichwald [1860, pp. 928-929] Do. 



antiqulasimus [Obolus (Acritis)], Mickwitz [1896, pp. 206-213] Do. 



antiquissimus [Obolus (Lucina)], Eichwald [1843b, pp. 142-144] Do. 



antiquissimus ventroaus [Obolus (Acritis)], Mickwitz [1896, pp. 213-214]... Do. 

 62667°— VOL 51, PT 1—12 3 



