SYNONYMIC REFERENCES. 71 



Present reference. 



Obolella? miser Billings [1872b, pp. 470-471] Acrotreta misera. 



Billings [1874, p. 69] Do. 



Obolella mobergi Walcott [1901, pp. 673-674] Obolella mobergi. 



Obolella nana Billings [1862d, pp. 67-68] Dicellomus nanus. 



Hall and Clarke [lS92c, pp. 69-70] Do. 



Hayden [1862, p. 73] Do. 



Meek and Hayden [1862, pp. 435-436] Do. 



Meek and Hayden [186.5, p. 4] Do. 



Walcott [1886b, p. Ill] Do. 



Whitfield [1880, pp. 340-341] Do. 



Obolella nitida Ford [1873, p , 213] Acrothele nitida. 



Grabauand Shimer [1907, p. 189] Do. 



Hall and Clarke [1892c, p. 70] Do. 



Walcott [1886b, pp. 118-119] Do. 



Walcott [1891a, p. 612] Do. 



Obolella parvula Wallerius [1895, pp. 65-66] Acrotreta parvula. 



Obolella pectenoides Schuchert [1897, p. 275] Dicellomus pectenoides. 



Obolella? phillipsi Davidson [1866, pp. 62-63] Micromitra (Paterina) phillipsi. 



Obolella phillipsi Holl [1865, p. 102] Do. 



Phillips [1871, p. 68] Do. 



Obolella phillipsia Dall [1877, p. 41] Do. 



Obolella polita Billings [1862c, p. 421] Dicellomus politus. 



Obolella? polita Hall [1863, pp. 133-134] Do. 



Hall [1867, pp. 112-113] Do. 



Obolella polita Hall and Clarke [1892c, pp. 72 and 73] Do. 



Walcott [1886b, p. Ill] Do. 



Whitfield [1880, pp. 339-840] Do. 



Obolella pretiosa Billings [lS62d, pp. 68-69] Acrothele pretiosa. 



Billings [1863, p. 230] Do. 



Chapman [1863, p. 191] Do. 



Chapman [1864, p. 163] .' Do. 



Obolella? pretiosa Walcott [lS86b, p. Ill] Do. 



Obolella prima Whitfield [1884, pp. 142-143] Lingulella prima. 



Obolella sabrinse Callaway [1877, p. 669] Acrotreta sabrinse. 



Davidson [1883, p. 211] Do. 



Hall and Clarke [1892c, p. 103] Do. . 



Obolella sagittalis Brogger [1882, p. 45] Acrotreta sagittalis. 



Davidson [1868, pp. 309-310] Do. 



Davidson [1871, pp. 339-340] Do. 



Davidson [1883, p. 211] Do. 



Linnarsson [1876, pp. 19-20] Do. 



Linnarsson [1879, pp. 27-28] Do. 



Salter [1866a, p. 285] Do. 



Obolella cf . sagittalis Wiman [1902, p. 66] Do. 



Obolella sagittalis belli Davidson [1871, desc. of PI. L, figs. 15-17] Acrotreta belti. 



Obolella? salteri Davidson [1868, p. 311] Obolus (Broggeria) salteri. 



Obolella salteri Holl [1865, p. 102] Do. 



Obolella (?) salteri Matley [1902, pp. 139-140] Do. 



Obolella salteri Phillips [1871, p. 68] Do. 



Obolella salteri? Davidson [1866, pp. 61-62] Do. 



Obolella? scabrinse Walcott [1884b, PI. I, fig. Ic] Acrotreta sabrinae. 



Obolella transversa Hartt [1868, p. 644] Acrotreta sagittalis transversa. 



Hartt [1878, p. 644] Do. 



Hartt [1891, p. 644] Do. 



Walcott [1884a, p. 16] Do. 



Obolella vermilionensis Walcott [new] Obolella vermilionensis. 



Obolella wirrialpensis Etheridge [1905, p. 248] Obolella wirrialpensis. 



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



Obolella sp. 3 Billings [1861b, p. 7] Dicellomus politus. 



Billings [1861c, p. 946] Do. 



Billings [1862e, p. 218] Do. 



Obolella sp. (?) Bomemann [1891, p. 440] Obolus? meneghinii. 



Obolella sp. Shaler and Foerste [1888, pp. 27-28] Obolella atlantica. 



