50 CAMBEIAN BRACHIOPODA. 



Present reference. 



Iphidea Schuchert [1897, p. 233] Micromitra and Micromitra (Paterina). 



Walcott [1886b, pp. lOO-lOl] Micromitra. 



Walcott [1897b, pp. 707-711] Micromitra (in part), M. (Paterina) (in part), 



and M. (Iphidella) (in part). 



Walcott [1899, pp. 447-448] Micromitra. 



Iphidea alabamaensis Walcott [1897b, pp. 713-714] Micromitra alabamaensis. 



Iphidea bella Billings [1872b, pp. 477^78] Micromitra (Paterina) bella. 



Billings [1874, p. 76] Do. 



Billings [1882, p. 13] Do. 



Clark and Mathews [1906, p. 252] Do. 



Grabau and Shimer [1907, p. 201] Do. 



Hall and Clarke [1892a, p. 249] Micromitra (Paterina) labradorica swan- 



tonensis. 



Hall and Clarke [1892c, p. 98, fig. 54] Micromitra (Paterina) bella. The text 



includes both M. (P.) bella and M. (P.) 

 labradorica swantonensis. 

 Hall and Clarke [1892c, p. 98, PL IV, figs. 8 and 9] Micromitra (Paterina) labradorica swan- 

 tonensis. The text includes both M. 

 (P.) labradorica swantonensis and M. 

 (P.) bella. 



Oehlert [1887, p. 1270] Micromitra (Paterina) bella. 



Walcott [1886b, p. 100] Do. 



Walcott [1891a, p. 608] Do. 



Iphidea bella? Grabau [1900, pp. 617-618] Do. 



Iphidea crenistria Walcott [1897b, p. 713] Micromitra (Paterina) crenistria. 



Iphidea labradorica Billings [1872b, p. 478] Micromitra (Paterina) labradorica. 



Billings [1874, p. 76] Do. 



Schuchert [1897 , p . 234] Micromitra (Paterina) labradorica (in part) 



and M. (P.) labradorica swantonensis 

 (in part). 

 Iphidea labradorica swantonensis Schuchert [1897, p. 234] Micromitra (Paterina) labradorica swan- 

 tonensis. 



Iphidea logani Walcott [1897b, pp. 711-712] Micromitra (Paterina) logani. 



Iphidea ornatella Gronwall [1902, p. 40] Micromitra (Iphidella) ornatella. 



Hall and Clarke [1892c, pp. 97-98] Do. 



Linnarsson [1876, pp. 25-26] Do. 



Iphidea cnf.? ornatella Hall and Clarke [1892c, PI. IV, figs. 6 and 7] Micromitra (Paterina) superba. 



Iphidea pannula Matthew [1902c, p. 110] Micromitra (Iphidella) pannula. 



Iphidea pannulus Grabau and Shimer [1907, p . 201] Do. 



Schuchert [1897, p. 234] Do. 



Iphidea pealei Walcott [1897b, pp. 712-713] Micromitra pealei. 



Iphidea prospectensis Schuchert [1897, p. 234] Micromitra (Paterina) prospectensis. 



Iphidea (??) sculptilis Meek [1873, p. 479] Micromitra sculptilis. 



Iphidea sculptilis Schuchert [1897, p. 235] Do. 



Walcott [1899, pp. 447-448] Do. 



Iphidea stissingensis Schuchert [1897, p. 234] Micromitra (Paterina) stissingensis. 



Iphidea superba Walcott [1897b, p. 711] Micromitra (Paterina) superba. 



Iphidea swantonensis Grabau and Shimer [1907, p. 201] Micromitra (Paterina) labradorica swan- 

 tonensis. 



Iphidea sp. undet. Walcott [1899, p. 449] Micromitra sp. undt. 



Iphidella Walcott [1905a, p. 304] Micromitra (in part), M. (Paterina) (in 



part), and M. (Iphidella) (in part). 



(Iphidella) [Micromitra], Walcott [1908e, PI. XI, and pp. 142 and 143] Micromitra (Iphidella). 



Iphidella labradorica Walcott [1905a, p . 307] Micromitra (Paterina) labradorica. 



Iphidella labradorica orientalis Walcott [1905a, pp. 305-306] Micromitra (Paterina) labradorica ori en- 

 tails. 

 Iphidella labradorica swantonensis Walcott [1905a, p. 307] Micromitra (Paterina) labradorica swan- 

 tonensis. 



Iphidella labradorica utahensis Walcott [1905a, p. 306] Micromitra (Paterina) labradorica utahensis. 



(Iphidella) louise [Micromitra], Walcott [1908d, pp. 56-57] Micromitra (Iphidella) louise. 



Iphidella major Walcott [1905a, p . 304] Micromitra (Paterina) major (in part) and 



M. (P.) williardi (in part). 

 Iphidella niaus Walcott [1905a, p. 305] Micromitra nisus. 



