38 CAMBRIAN BRACHIOPODA. 



Present reference. 



bisecta [Acrotreta], Walcott [1902, p . 582] Acrotreta bisecta. 



Walcott [1905a, pp. 298-299] Do. 



bivia [Billingsella], Walcott [new] Billingsella bivia. 



blackwelderi [Obolus (Westonia)], Walcott [1905a, p. 335] Obolus (Westonia) blackwelderi. 



bohemica [Acrothele], Hall and Clarke [1892c, p. 101] Acrothele bohemica. 



Pompeck] [1896b, pp. 509-511] Do. 



Walcott [1886b, p. 107] Do. 



bobemicus [Obolus?], Barrande [1879b, PL CII, figs, vii: 1-3] Do. 



borgbolmensis [Acrothele], Walcott [190Sd, pp. 84-85] Acrothele borgholmensis. 



bornemanni [Obolus (Lingulella)], Walcott [1901, pp. 687-688] Lingulella bornemanni. 



Botsfordia Walcott [1908e, PL XI, and pp. 142 and 145] Botsfordia. 



(Botsfordia) [Obolus], Matthew [1891, p. 148] Do. 



Matthew [1892, p. 63] Do. 



Botsfordia? barrandei Walcott [1908d, pp. 77-78] Botsfordia? barrandei. 



(Botsfordia) pulcher [Obolus], Matthew [1891, p. 148] Botsfordia pulchra. 



Matthew [1892, pp. 62-63] Do. 



Matthew [1902c, p. 95] Do. 



(Botsfordia) pulchra [Obolus], Matthew [1894, pp. 90-91] Do. 



Matthew [1895a, pp. 115-121] Do. 



bottnica [Lingula], Wiman [1902, p. 51] Obolus (Westonia) bottnicus. 



bottnica [Obolus (Westonia)], Walcott [1905a, pp. 335-336] Do. 



Brachiopode nouv. gen. de Verneuil and Barrande [1860, pp. 536-537] Botsfordia? barrandei. 



bretonensis [Obolus], Matthew [1902c, p. 95] Obolus (Palseobolus) bretonensis. 



bretonensis [Palasobolus], Matthew [1899c, p. 202] Do. 



Matthew [1903, pp. 141-143] Do. 



broadheadi [Linnarssonella], Walcott [1902, p. 601] Linnarssonella girtyi. 



(Broggeria) [Obolus], Walcott [1902, p. 605] Obolus (Broggeria). 



Walcott [1908e, PL XI, and pp. 142 and 144] Do. 



(Broggeria) salteri [Obolus], Moberg and Segerberg [1906, p. 64] Obolus (Broggeria) salteri. 



Walcott [1902, pp. 605-606] Do. 



(Broggeria) salteri var.? [Obolus], Westerg&rd [1909, p. 56] Do. 



bryograptorum [Lingula?], Moberg and Segerberg [1906, p. 63] Lingulella lepis. 



Westergard [1909, p. 57] Do. 



buchi [Keyserlingia], Hall and Clarke [1892c, p. 118] Keyserlingia buchi. 



Pander [1861, columns 46^8] Do. 



buchi [Orbicella], Hall and Clarke [1892a, p. 254] Do. 



d'Orbigny [1850, p. 20] Keyserlingia buchi (in part). 



buchi [Orbicula], de Verneuil [1845, pp. 288-289] Keyserlingia buchi. 



buchii [Discina], Eichwald [1860, p. 914] Helmersenia ladogensis (in part) and Key- 

 serlingia buchi (in part), 

 buttsi [Lingulella], Walcott [1908d, pp. 70-71] Lingulella buttsi. 



C. 



cselata [Lingulella], Ford [1878, pp. 127-128] Botsfordia caslata. 



Hall and Clarke [1892a, PL III, figs. 1-4] Do. 



Hall and Clarke [1892c, pp. 57 and 58] Do. 



Walcott [1886b, p. 95] Do. 



Walcott [1887, p. 199, PL I, fig. 16] '. Do. 



Walcott [1891a, p. 607] Do. 



CEelata [Obolella], Billings [1872a, p. 218] Do. 



cselata [Obolella (Orbicula)], Ford [1871, p. 33] Do. 



cselata [Orbicula], Hall [1847, p. 290] Do. 



calceoloides [Obolella wirrialpensis], Etheridge [1905, p. 249] Obolella wirrialpensis. 



calcifera [Camarella], Billings [1863, figs. 247a-c, p. 231] Syntrophia calcifera. 



calcifera [Camerella], Billings [1861a, pp. 318-320] Do. 



Billings [1865a, p. 220] Do. 



Meek [1873, p. 464] Huenella abnormis. 



calcifera [Syntrophia], Grabau and Shimer [1907, p. 271] Syntrophia nundina. 



calcifera [Syntrophia?], Hall and Clarke [1893b, p. 218] Syntrophia calcifera. 



calcifera [Triplecia?], Hall and Clarke [1892c, p. 270] Do. 



calcifera [Triplesia], Walcott [1884b, pp. 75-76] Syntrophia nundina. 



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



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



Walcott [1891a, p. 613] Do. 



