52 CAMBRIAN BRACHIOPODA. 



Present reference. 



Kutorgina Davidson [1868, p. 312] Kutorgina. 



Davidson [1871, p. 342] Do. 



Grabau and Shimer [1907, p. 209] Do. 



Hall and Clarke [1892a, pp. 247-248] Do. 



Hall and Clarke [1892b, pp. 563-564] Do. 



Hall and Clarke [1892c, pp. 90-94, and 183] Micromitra (in part), Micromitra (Paterina) 



(in part), Micromitra (Iphidella) (in 

 part), Kutorgina (in part), Protorthis (in 

 part), and Biilingsella (in part). 



Oehlert [1887, p. 1262] Kutorgina. 



Walcott [1886b, pp. 101-102] Kutorgina (in part), Micromitra (in part), 



Micromitra (Paterina) (in part), and 

 Micromitra (Iphidella) (in part). 



Walcott [1905a, pp. 306-308] Kutorgina. 



Walcott [1908e, PL XI, and pp. 142 and 145] Do. 



Zittel[1880, p. 664] Do. 



(Kutorgina) [Obolella], Dall [1870, pp. 154 and 163] Do. 



Kutorgina alata? Moberg [1892b, p. 113] Belongs with an undetermined genus. 



Kutorgina cingulata Beecher [1891, pp. 345-346] Kutorgina cingulata. 



Bornemann [1891, p. 440]... 1 Kutorgina sardiniaensis. 



Davidson [1868, p. 312] Micromitra (Paterina) phillipsi. 



Davidson [1871, pp. 342-343] Do. 



Davidson [1883, p. 212] Do. 



Freeh [1897, PL lA, figs. 6a-b] Kutorgina cingulata. 



Grabau and Shimer [1907, p. 209] Do. 



Hall and Clarke [1892a, PL IV, figs. 11-13] Do. 



Hall and Clarke [1892c, p. 92] Do. 



von Toll [1899, pp. 26-27] Do. 



Walcott [1886b, pp. 102-104] Micromitra pusQla (in part), Micromitra 



(Paterina) phillipsi (in part), and Kutor- 

 gina cingulata (in part). 

 Walcott [1886b, pp. 102-104, PL IX, figs. 1, la-f] ....Kutorgina cingulata. 



Walcott [1886b, p. 103, PL IX, figs. Ig-h] Rustella edsoni. 



Walcott [1891a, p. 609, PL LXIX, figs. 1, la-f] Kutorgina cingulata. 



Walcott [1891a, p. 609, PL LXIX, figs. Ig-h] Rustella edsoni. 



Walcott [1905a, pp. 308-309] , Kutorgina cingulata. 



(Kutorgina) cingulata [Obolella], Billings [1861b, pp. 8-9, figs. 8 and 10].. Do. 



Billmgs [1861b, p. 8, fig. 9] Rustella edsoni. 



Billings [1861c, p. 948, figs. 347 and 349].. Kutorgina cingulata. 



Billmgs [1861c, p. 948, fig. 348] Rustella edsoni. 



Billings [1862e, p. 220, figs. 347 and 349]. . Kutorgina cingulata. 



Billings [1862e, p. 220, fig. 348] Rustella edsoni. 



Kutorgina cingulata phillipsi Matley [1902, pp . 145-147] Micromitra (Paterina) phillipsi. 



Kutorgina cingulata pusilla Gronwall [1902, pp. 40^1] Micromitra pusilla. 



Linnarsson [1876, p. 25] Do. 



Matley [1902, pp. 146-147] Do. 



Kutorgina granulata Matthew [1899a, p. 189] Kutorgina granulata. 



Matthew [1899e, p. 98] Do. 



Kutorgina labradorica Walcott [1886b, p. 104] Micromitra (Paterina) labradorica. The 



figures accompanying this reference 

 [PL IX, figs. 2, 2a-b] represent M. (P.) 

 labradorica swantonensis. 

 Walcott [1886b, PL IX, figs. 2, 2a-b] Micromitra (Paterina) labradorica swan- 

 tonensis. The text reference [p. 104] 

 refers only to M. (P.) labradorica. 



Walcott [1891a, p. 609] Micromitra (Paterina) labradorica. 



Kutorgina labradorica swantonensis Walcott [1890b, p. 36] Micromitra (Paterina'i labradorica swan- 

 tonensis. 



Walcott [1891a, p. 609] Do. 



Kutorgina latourensis Hall and Clarke [1892c, pp. 93, 95, and 233] Protorthis latourensis. 



Matthew [1886, pp. 42-43] Do. 



Kutorgina minutissima Hall and Whitfield [1877, pp. 207-208] Micromitra sculptilis. 



