88 CAMBRIAN BRACHIOPODA. 



Present reference. 



romingeri [Orthis], Kusta Nisusia (Jamesella) kuthaui. ■ 



Novak Do. 



Pompeckj [1896b, pp. 513-514] Billingsella romingsri. 



Wentzel Nisusia (Jamesella) kuthaui. 



rotunda [Lingulepis], Matthew [1903, p. 199] Lingulella rotunda. 



rotunda [Ungula], Pander [1830, pp. 59 and 163]. Obolus apollinis. 



rotundata [Syntrophia], Walcott [1905a, pp. 293-294] Syntrophia rotundata. 



rotundatus [Obolus (Lingulella)], Walcott [lS98b, p. 415] Obolus rotundatus. 



roualti [Lingula], Bornemann [1891, p. 439] Kutorgina sardiniaensis. 



rowei [Obolus (Lingulepis)], Walcott [1905a, p. 334] Lingulella (Lingulepis) rowei. 



rudis [Acrotreta], Walcott [1908d, pp. 95-96] Acrotreta rudis. 



rugatus [Obolus (Acritis?)], Walcott [1901, p. 694] Obolus (Acritis?) rugatus. 



rugosa [Schizopholis], Hall and Clarke [1892a, p. 248] Schizopholis rugosa. 



Hall and Clarke [1892b, p. 564] Do. 



Hall and Clarke [1892c, p. 95] : Do. 



Waagen [1885, pp. 753-754] Do. 



Waagen [1891, PL II, figs. 12-14] Do. 



rugosicostata [Billingsella exporrecta], Walcott [1905a, p. 236] Billingsella exporrecta rugosicostata. 



rugosus [Acrotreta ophirensis], Walcott [1902, p. 592] Acrotreta ophirensis rugosa. 



Rustella Walcott [1905a, p. 311] Rustella. 



Walcott [1908e, PI. XI, and pp. 142 and 143] Do. 



Rustella edsoni Walcott [1905a, pp. 311-312] Rustella edsoni. 



S. 



sabrinse [Acrotreta (?)], Matley [1902, p. 143] Acrotreta sabrinae. 



sabrinse [Metoptoma], Callaway [1874, p. 196] Do. 



sabrinae [Obolella], Callaway [1877, p. 669] Do. 



Davidson [1883, p. 211] Do. 



Hall and Clai'ke [lS92c, p. 103] Do. 



sabrinse malvernensis [Acrotreta (?)], Matley [1902, pp. 143-144] Do. 



saffordi [Billingsella], Walcott [1905a, p. 244] Wimanella saffordi. 



sagittalis [Acrotreta cf .], Walcott [new] Acrotreta cf. sagittalis. 



sagittalis [Linnarssonia], Freeh [1897, PI. lA, fig. 3a] Acrotreta sagittalis. 



Hall and Clarke [1892c, p. 108] Do. 



Walcott [1885a, p. 115] Do. 



Walcott [1889c, p. 442] Acrotreta depressa. 



Walcott [1891a, PI. LXVIII, figs. 2a-d] Acrotreta sagittalis. 



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



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. 



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



sagittalis [Obolella (Acrotreta?)], Moberg and Segerberg [1906, p. 64] Do. 



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



sagittalis magna [Acrotreta], Walcott [1902, pp. 595-596] Acrotreta sagittalis magna. 



sagittalis taconica [Acrotreta], Walcott [1902, pp. 596-597] Acrotreta sagittalis taconica. 



sagittalis taconica [Linnarssonia], Walcott [1889b, p. 36] Do. 



Walcott [1891a, pp. 610-611] Do. 



sagittalis transversa [Linnarssonia], Freeh [1897, PI. lA, fig. 3b] Acrotreta sagittalis transversa, 



Walcott fl891a, desc. of PI. LXVIII, 



figs. 2a, 2c-d] Do. 



salemensis [Billingsella], Walcott [1905a, p. 245] Billingsella salemensis. 



ealemensis [Orthis], Oehlert [1889, p. 1139] Do. 



Walcott [1887, pp. 190-191] Do. 



Walcott [1891a, pp. 612-613]. • Do. 



saltensis [Orthis], Kayser [1876, p. 8] Eoorthis saltensis. 



Kayser [1897, p. 280] Do. 



saltensis [Orthis (Pleetorthis)], Walcott [1905a, p. 271] Do. 



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



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



