94 CAMBRIAN BEACHIOPODA. 



Present reference. 



tarda [Acrothyra signata], Matthew [1903, p. 89] Acrothyra sera. 



tarpa [Obolus ( Lingulella)], Walcott [1898b, pp. 417-418] Lingulella tarpa. 



tatei [Orthis (?)], Etheridge, jr. [1905, p. 249] Eoorthis tatei. 



Tellinomya McCoy [1854, p. 274] Lingulella. 



Tellinomya lingulse-comes McCoy [1851a, p. 56] Lingulella davisi. 



Salter Does not equal Lingulella davisi. 



Tellinomya lingulicomes McCoy [1854, p. 274] Lingulella davisi. 



tennesseensis [Linnarssonella], Walcott [1902, pp. 604-605] Linnarssonella tennesseensis. 



Terebratula Eichwald [1840, p. 138 (24)] Siphonotreta (in part). 



Eichwald [1843b, p. 145] Siphonotreta. 



Terebratula unguiculata Eichwald [1840, pp. 138-140 (24-26)] Siphonotreta unguiculata. 



Eichwald [1842, p. 145] Do. 



Terebratula verrucosa Eichwald [1840, pp. 140-141 (26-27)] Siphonotreta verrucosa. 



tetonensis [Acrotreta microscopica], Walcott [1902, p. 590] Acrotreta microscopi'ca tetonensis. 



tetonensis [Obolus], Walcott [1901, p. 684] Obolus tetonensis. 



Walcott [1905a, p. 327] Do. 



tetonensis leda [Obolus], Walcott [1908d, p. 63] Obolus tetonensis leda. 



tetonensis ninus [Obolus], Walcott [1905a, p. 328] ."Obolus tetonensis ninus. 



texana [Lingulella], Walcott [1908d, p. 71] Lingulella texana. 



texana [Orthis (Plectorthis) remnicha], Walcott [1905a, p. 270] Eoorthis remnicha texana. 



texana [Syntrophia], Walcott [1905a, p. 294] Huenella texana. 



texana Iseviusculus [Syntrophia], Walcott [1905a, pp. 294-295] Huenella texana laeviusculus. 



themis [Obolus (Westonia)], Walcott [1905a, pp. 336-337] Obolus (Westonia) themis. 



thyone [Eoorthis], Walcott [1908d, pp. 105-106] Eoorthis thyone. 



Thysanota Albers [1860, p. 63] A genus of the Gastropoda. 



(Thysanotos) [Obolus], Mickwitz [1896, pp. 194-195] Obolus (Mickwitzella). 



(Thysanotos) siluricus [Obolus], Mickwitz [1896, pp. 195-199] Obolus (Mickwitzella) siluricus. 



(Thysanotus) [Obolus], Walcott [1901, p. 683] Obolus (Mickwitzella). 



torrentis [Leptobolus], Matthew [1903, pp. 74-75] Lingulella torrentis. , 



torrentis [Obolus], Matthew [1902c, p. 94] Obolus? torrentis. 



Matthew [1903, p. 76] Do. 



transversa [Linnarssonella], Walcott [1908d, p. 92] Linnarssonella transversa. 



transversa [Linnarssonia], Hall and Clarke [1892a, PI. Ill, figs. 22 and 23] . Acrotreta sagittalis transversa. 



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



Matthew [1886, p. 35] Do. 



Matthew [1895a, p. 125] Do. 



Walcott [18S5a, p. 115] .•. . . Do. 



transversa [Linnarssonia sagittalis], Freeh [1897, PL lA, fig. 3b] Do. 



Walcott [1891a, desc. of PI. LXVIII, 



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



transversa [Nisusia festinata], Walcott [1905a, p. 251] Nisusia festinata transversa. 



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



Hartt [1878, p. 644] Do. 



Hartt [1891, p. 644] Do. 



Walcott [1884a, p. 16] : . Do. 



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



Walcott [1891a, p. 613] Do. 



transversa [Ungula], Pander [1830, pp. 59 and 154, PI. Ill, fig. 24] Obolus apollinis quenstedti. 



Pander [1830, pp. 59 and 163, PL XXVIII, figs. 7a-b 



and 8a-b?] Obolus apollinis. The text includes 



Obolus apollinis quenstedti. 



Trematis pannulus White [1874, p. 6] Micromitra (Iphidella) pannula. 



\^Tiite [1877, pp. 36-37] Do. 



Trematobolus Hall and Clarke [1892a, p. 252] Trematobolus. 



Hall and Clarke [1892b, p. 568] Do. 



Matthew [1893a, pp. 276-279] Do. 



Matthew [1894, pp. 88-90] Do. 



Matthew [1895a, pp. 122-125] Do. 



Walcott [1908e, PI. XI, and pp. 142 and 146] Do. 



Trematobolus excelsis Walcott [190Sd, pp. 80-81] Trematobolus excelsis. 



Trematobolus insignis Hall and Clarke [1892a, p. 252] Trematobolus insignis. 



Hall and Clarke [1892b, p. 568] Do. 



Matthew [1893a, pp. 276-279] Do. 



Matthew [1894, pp. 88-90] Do. 



