56 CAMBRIAN BRACHIOPODA. 



Present reference. 



Lingula antiqua Hall [1851, pp. 204-205] Lingulella (Lingulepis) acuminata. 



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] Obolue (Westonia) rogersi. 



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



Lingula attenuata Bornemann [1891, pp. 437-438] Lingulella bornemanni. 



Lingula aurora Hall [1861, p. 24] Obelus (Westonia) aurora. 



Hall [1862, p. 21] Do. 



Hall [1863, pp. 126-127] Do. 



Hall [1867, pp. 103-104] Do. 



Sardeson [1896, p. 95] Do. 



Lingula atu:ora var. Hall [1863, pp. 127-128] Obolus (Westonia) stoneanus. 



Hall [1867, pp. 104-106] Do. 



Lingula bavarica Barrande [1868a, p. 100] Obolus? bavaricus. 



Barrande [1868b, pp. 690-691] Do. 



Lingula belli Billings [1859, pp. 431-432] Obolus belli. 



Billings [1863. figs. 47a-b, p. 124] Do. 



Lingula billingsana Matthew [1903, p. 205] Lingulella bellula. 



Lingula billingsiana Whiteaves [1878, p. 226] Lingulella billingsiana. 



Lingula cf. billingsiana Matthew [1894, p. 93] Lingulella grandis. 



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



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



Westergard [1909, p. 57] Do. 



Lingula cedens Barrande [1868a, p. 102] Lingulella cedens. 



Barrande [1868b, pp. 691-692] Do. 



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



Westergard [1909, p. 57] Do. 



Lingula cyane Billings [1865a, p. 216] Obolus cyane. 



Lingula dakotensis Meek and Hayden [1865, p. 3] Lingulella (Lingulepis) acuminata. 



TOiitfield [1880, pp. 337-338] Do. 



Lingula davidsoni Barrande [1879b, PI. CIV, figs, viii: 1^] Lingulella davidsoni. 



Lingula davisi McCoy [1851b, pp. 405^06] Lingulella davisi. 



McCoy [1854, p. 252] Do. 



Lingula cf. davisi Schmidt [1881, p. 17, fig. 5] Obolus (Mickwitzella) siluricus. 



Lingula? dawsoni Matthew MS. [1884] Lingulella ferruginea. 



Walcott [1884a, p. 15] Do. 



Lingula dolata Sardeson [1896, p. 95] Obolus dolatus. 



Lingula aff. exungui Gtirich [1896, p. 214] Lingulella siemiradzkii. 



Lingula cf. exunguis Giirich [1892, p. 69] Do. 



Siemiradzki [1886, p. 672] Do. 



Lingula (?) favosa Linnarsson [1869a, pp. 356-357] Obolella (Glyptias) favosa. 



Linnarsson [1869b, p. 406] Do. 



Lingula feistmanteli Barrande [1879b, Pis. CVI and CX] Obolus feistmanteli. 



Lingula hawkei Roualt Not taken up in this monograph ; it 



not equal Mickwitzia sp. undt. 



Lingula hawkei? Bornemann [1891, p. 439] Mickwitzia sp. undt. 



Lingula humillima Barrande [1868a, p. 101] Lingulella? humillima. 



Barrande [1868b, p. 691] Do. 



Lingula iuchoans Barrande [1868a, p. 102] Acrotreta inchoans. 



Barrande [1868b, p. 692] Do. 



Lingula insons Barrande [1879b, PI. CV, figs, x: 1-6] Lingulella? insons. 



Lingula iole Billings [1865a, p. 21.'^] Lingulella iole. 



Lingula Irene Billings [1862d, pp. 71-72] Lingulella irene. 



Billings [1863, p. 230] Do. 



Lingula iris Billings [1865a, p. 301] Lingulella iris. 



Lingula? kiurensis Waagen [1885a, pp. 768-769] Lingulella kiurensis. 



Waagen [1891, PI. II, figs. 17a-b] Do. 



Lingula lamellosa Barrande [1879b, PI. CVI, figs, i: 1-5; PL CXI, figs. 



IX : 1-3] Obolus (Westonia?) lamellosus. 



lingula? lens Matthew [1901a, pp. 274-275] Lingulella lens. 



Lingula? lepis Davidson [1866, p. 54] Lingulella lepis. 



Lingula lepis Salter [1859, p. 543] Do. 



