SYNONYMIC REFERENCES. 59 



Present reference. 

 (Lingulella) celatus [Obolus], Walcott [1898b, PI. XXVI, figs. 1 and 2] ....Obolus (Schmidtia) celatus. 



(Lingulella) chinensis [Obolus], Walcott [1905a, pp. 328-329] Obolus chinensis. 



(Lingulella) cliuarensis [Obolus], Walcott [1898b, p. 399] Obolus (Westonia) chuarensis. 



Lingulella clarkei Walcott [new] Lingulella clarkei. 



Lingulella? coelata Matthew [1895a, p. 126] Botsfordia caelata. 



(Lingulella) collicia [Obolus], Walcott [1902, p. 610] Lingulella collicia. 



Lingulella concinna Matthew [1901a, pp. 273-274] Lingulella concinna. 



Matthew [1903, pp. 203-204] Do. 



(Lingulella) concinnus [Obolus], Walcott [1902, pp. 608-609] Do. 



Lingulella? cuneata Matthew [1894, pp. 92-93] Lingulella grandis. 



(Lingulella) cuneolus [Obolus], Walcott [1899, p. 443] Lingulella cuneola. 



(Lingulella) damesi [Obolus], Walcott [1905a, p. 329] Obolus damesi. (See Lingulella damesi, 



p. 489.) 



Lingulella davisi Davidson [1868, pp. 304 and 306] Lingulella davisi. 



Hall and Clarke [1892a, p. 232] Do. 



Hall and Clarke [1892b, p. 548] Do. 



Hall and Clarke [1892c, pp. 56 and 57] Do. 



Meek[1871, pp. 186-187] Do. 



Salter [1866b, pp. 333-334] Do. 



Lingulella davisii Davidson [1866, pp. 56 and 57] Do. 



Hall [1873, PL XIII, fig. 4] Do. 



Roemer [1876, PL II, figs. 5a-c] Do. 



Salter [1867, pp. 44 and 52] Do. 



Salter and Etheridge [1881, pp. 537-538] Do. 



Lingulella cf . davisii Kayser [1897, p. 280] Do. 



Matthew [1902b, pp. 407-i08] Do. 



Matthew [1903, p. 203] Do. 



(Lingulella) davisii [Obolus], Walcott [1898b, pp. 394 and 395] Do. 



Lingulella dawsoni Hall and Clarke [1892c, p. 58] Lingulella ferruginea. 



Matthew [1886, pp. 33-34, PL V, figs. 9, 9a-c] Lingulella martinensis. The text includes 



L. ferruginea. 



Matthew [1886, pp. 33-34, PI. V, fig. 9d] Lingulella ferruginea. The text includes 



L. martinensis. 



Lingulella delgadoi Walcott [new] Lingulella delgadoi. 



(Lingulella) desideratus [Obolus], Walcott [1898b, pp. 399^00] Lingulella desiderata. 



Walcott [1899, pp. 445^46, PI. LX, fig. 2], . Do. 

 Walcott [1899, pp. 445-446, PL LX, 



fig. 2a] Obolus rotundatus. 



(Lingulella) discoideus [Obolus], Walcott [1901, p. 673] Obolus discoideus. 



(Lingulella) dubius [Obolus], Walcott [1898b, p. 401] Lingulella dubia. 



Lingulella ella Hail and Clarke [1892c, p. 58, figs. 19 and 21] Obolus (Westonia) ella. The text includes 



also specimens representing Lingulella 

 dubia. 



Hall and Clarke [1892c, p. 58, fig. 20] Lingulella dubia. 



Pack [1906, p. 295] Obolus (Westonia) ella. 



Walcott [1886b, pp. 97-98, PI. VII, fig. 2; PL VIII, figs. 4, 



4a, 4d-e] Obolus (Westonia) ella. The text includes 



also specimens representing Lingulella 

 dubia. . 

 Walcott [1886b, pp. 97-98, PL VIII, figs. 4b-c] Lingulella dubia. The text includes Obo- 

 lus (Westonia) ella. 



Walcott [1891a, p. 607, PI. LXVII, figs. 2c-d] Lingulella dubia. The text includes 



Obolus (Westonia) ella. 

 Walcott [1891a, p. 607, PI. LXVII, figs. 2, 2a-b, and 2e] . . . .Obolus (Westonia) ella. The text includes 



also specimens representing Lingulella 

 dubia. 



(Lingulella) ella [Obolus], Walcott [1898b, PL XXVIII, figs. 5-8] Obolus (Westonia) ella. 



(Lingulella) ellsi [Obolus], Walcott [1898b, p. 402] Lingulella ellsi. 



Lingulella (?) escasoni Matthew [1901a, pp. 270-273] Obolus (Westonia) escasoni. 



(Lingulella) euglyphus [Obolus], Walcott [1898b, pp. 402-403] Obolus (Westonia) euglyphus. 



Lingulella? cf. Lingula favosa Matthew [1888, pp. 28-29] Botsfordia pulchra. 



Lingulella ferruginea Davidson [1868, pp. 306-307] Lingulella ferruginea. 



