SYNONYMIC REFERENCES. 81 



Present reference. 

 Orthisina festinata Billings [1861b, p. 10] Nisusia festinata. 



Billinga [1861c, p. 949] Do. 



Billings [1862b, p. 105] Do. 



Billing.s [1862e, p. 221] Do. 



Billings [1863, p. 284, figs. 289a-c] Do. 



Walcott [1886b, pp. 120-121] Do. 



Walcott [1891a, p. 613] Do. 



Orthisina (?) johannensis Matthew [1892, pp. 49-50] Eoorthis johannensis. 



Orthisina orientalis Walcott [18S6b, p. 120] Billingsella orientalis. 



Walcott [lS91a, p. G13] Do. 



■\%itfield [1884, p. 144] Do. 



Orthisina pellico de Verneuil and Barrande [1860, pp. 535-536] Nisusia (Jamesella) pellico. 



(Orthisina?) pepina [Orthis?], Hall [1883, PI. XXXVII, figs. 16-19] Billingsella coloradoensis. 



Orthisina quacoensis Matthew [1891, p. 131] Protorthis quacoensis. 



Orthisina? transversa Walcott [1886b, p. 121] Nisusia festinata transversa. 



Walcott [1891a, p. 613] Do. 



Orthisina vaticina Mallada [1875, p. 32] Nisusia? vaticina. 



de Verneuil and Barrande [1860, pp. 533-535] Do. 



Orthisina [Orthis or] sp. Etheridge [1905, p. 250] Huenella etheridgei. 



orus [Obolus (Lingulella)], Walcott [1905a, p. 330] Lingulella ora. 



Orusia Walcott [1908e, PI. XI, and pp. 142 and 148] Orusia. 



(Orusia) [Orthis], Walcott [1905a, p. 273] Do. 



(Orusia?) eurekensis [Orthis], Walcott [1905a, p. 277] Orusia? eurekensis. 



(Orusia) lenticularis [Orthis], Walcott [1905a, pp. 273-276] Orusia lenticularis. 



(Orusia) lenticularis atrypoides [Orthis], Walcott [1905a, p. 276] Orusia lenticularis atrypoidea. 



(Orusia) lenticularis lyncioides [Orthis], Walcott [1905a, p. 277] Orusia lenticularis lyncioides. 



osceola [Obolus (Lingulella) mosia], Walcott [1898b, p. 409] Lingulella mosia osceola. 



osceola [Orthis (Finkelnburgia)], Walcott [1905a, p. 279] Finkelnburgia osceola. 



osceola corrugata [Orthis (Finkelnburgia)], Walcott [1905a, p. 280] Finkelnburgia osceola corrugata. 



Otusia Walcott [1908e, PL XI, and pp. 142 and 148] Otusia. 



(Otusia) [Billingsella], Walcott [1905a, p. 246] Do. 



(Otusia) sandbergi [Billingsella], Walcott [1905a, pp. 246-247] Otusia sandbergi. 



Otusia utahensis Walcott [new] Otusia utahensis. 



ovalia [Acrotreta], Walcott [1902, p. 592] Acrotreta ovalis. 



ovalis [Lingulella ferruginea], Davidson [1868, p. 307] Lingulella ferruginea. 



Hicks [Salter and Hicks, 1867, p. 341] Do. 



ovalis [Lingulella? inflata], Matthew [1895a, p. 127] Acrotreta inflata. 



ovata [Lingula], Emmons [1842, p. 105] Lingulella prima. 



McCoy [1846, p. 24] Lingula ovata, not Lingulella davisi. 



McCoy [1854, p. 254] Lingulella davisi (in part) and Lingula 



ovata (in part), 



oweni [Obolus (Lingulella)], Walcott [1898b, p. 410] Lingulella oweni. 



ovata [Ungula], Pander [1830, p. 59, PI. XXVIII, figs. 6a-b] Obolus (Schmidtia) celatus. 



Pander [1830, pp. 59 and 154, PI. Ill, fig. 23] Obolus apollinis. 



P. 



pacifica [Acrotreta], Walcott [1905a, p. 301] Acrotreta pacifioa. 



pagoda [Orthis (Plectorthis)], Walcott [1905a, pp. 267-268] Eoorthis pagoda. 



Palaeobolus Matthew [1899b, pp. 201-202] Obolus (Palseobolus). 



Matthew [1903, pp. 140-141] Do. 



(Palseobolus) [Obolus], Walcott [1908e, PI. XI, and pp. 142 and 144] Do. 



Palaeobolus bretonensis Matthew [1899b, p. 202] Obolus (Palaeobolus) bretonensis. 



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



(Palseobolus) lens [Obolus], Matthew [1903, pp. 144-146] Obolus (Palseobolus) bretonensis lens. 



(Palseobolus) lens longus [Obolus], Matthew [1903, pp. 146-147] Do. 



palliatus [Obolus?], Barrande [1868a, pp. 104-105, fig. 64] Obolus? bavaricus. 



Barrande [1868a, pp. 104-105, fig. 6.5] Obolus? palliatus. 



Barrande [1868b, p. 693, fig. 64] Obolus? bavaricus. 



Barrande [1868b, p. 693, fig. 65] Obolus? palliatus. 



pandemia [Obolus], Walcott [1898b, p. 388] Obolus pandemia. 



panderi [Acrothele], Walcott [new] Acrothele panderi. 



62667°— VOL 51, pt 1—12 6 ' . 



