66 CAMBRIAN BRACHIOPODA. 



Present reference, 

 matthewi lata [Acrothele], Hall and Clarke [1892a, PI. Ill, figs. 25 and 26].Acrotliele matthewi lata. 

 Hall and Clarke [1892c, PI. Ill, figs. 26-28]. ... Do. 



Matthew [1886, p. 41] Do. 



Matthew [1895a, PL V, figs. 8a-b] Do. 



Matthew [1903, p. 104] Do. 



matthewi multicostata [Acrothele], Matthew [1897b, p. 168] Acrothele matthewi multicostata. 



matthewi prima [Acrothele], Hall and Clarke [1892a, PI. Ill, fig. 27] Acrothele prima. 



Hall and Clarke [1892c, PL III, fig. 25] Do. 



Matthew [1886, p. 41] Do. 



Matthew [1895a, PI. V, figs. 7a-b] Do. 



Matthew [1902b, pp. 397 and 402] Do. 



Matthew [1903, p. 104] Do. 



maximus [Obolus apoUinis], Mickwitz [1896, pp. 140-143] Obolus apoUinis maximus. 



meeki [Lingulepis], Walcott [1897a, p. 405] Lingulella (Lingulepis) acuminata meeki. 



meeki [Lingulepis acuminata], Delgado [1904, pp. 366-367] Lingulella delgadoi. 



meeki [Obolus (Lingulepis) acuminatus], Walcott [1899, p. 444] Lingulella (Lingulepis) acuminata meeki. 



Meekina prima Walcott [1905a, p. 313] Linnarssonella tennesseensis. 



melita [Dalmanella], Schuchert [1897, p. 202] Variety of Eoorthis desmopleuia. 



melita [Leptasna], Hall and Whitfield [1877, p. 208] Do. 



membranaceous [Obolus], Walcott [1908d, p. 61] Obolus membranaceus. 



meneghini [Obolus (?)], Walcott [1901, p. 684] Obolus? meneghinii. 



Metoptoma sabrinae Callaway [1874, p. 196] Acrotreta sabrinse. 



(Mickwitzella) [Obolus], Walcott [1908d, p. 70] Obolus (Mickwitzella). 



Walcott [1908e, PL XI, and pp. 142 and 144] Do. 



mickwitzi [Obolus], Walcott [1898b, pp. 386-387] Obolus mickwitzi. 



Mickwitzia Hall and Clarke [1892a, p. 246] Mickwitzia. 



Hall and Clarke [1892b, p. 562] Do. 



Hall and Clarke [1892c, pp. 86-87] Do. 



Schmidt [1888, p. 24] Do. 



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



Mickwitzia? major Mickwitz [1896, p. 23] Rustella? major. 



Mickwitzia monilifera Hall and Clarke [1892a, figs. 253-255, p. 246] Mickwitzia monilifera. 



Hall and Clarke [1892b, figs. 253-255, p. 562] Do. 



Hall and Clarke [1892c, p. 86] Do. 



Schmidt [1888, pp. 21-23 and 24-25] Do. 



Walcott [1891a, PL LXX, figs. 2, 2a-h] Do. 



Wiman [1902, p. .53] Do. 



Mickwitzia occidens Walcott [1908d, p. 54] Mickwitzia occidens. 



Mickwitzia pretiosa Walcott [1908d, pp. 54-55] Mickwitzia pretiosa. 



Micromitra Meek [1873, p. 479] Micromitra. 



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



(Micromitra) [Paterina], Schuchert [1905, p. 329] Do. 



Micromitra haydeui Walcott [1908d, pp. 55-56] Micromitra haydeni. 



Micromitra scotica Walcott [new] Micromitra scotica. 



Micromitra sculptilis endlichi Walcott [1908d, p. 56] Micromitra sculptilis endlichi. 



Micromitra zenobia Walcott [new] Micromitra zenobia. 



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



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



Micromitra (Iphidella) nyssa Walcott [1908d, p. 57] Micromiti-a (Iphidella) nyssa. 



Micromitra (Iphidella) pannula Walcott [1908c, p. 244, PL I, figs. 1, la-c].Microiuitra (Iphidella) pamnula. 



Micromiti-a (Paterina) Walcott [1908e, PL XI, and pp. 142 and 143] Micromiti-a (Paterina). 



Micromitra (Paterina) labradorica var. undt. Walcott [new] Micromitra (Paterina) labradorica var. undt. 



Micromitra (Paterina) stissingensis ora Walcott [new] Micromitra (Paterina) stissingensis era. 



Micromitra (Paterina) stuarti Walcott [1908d, p. 58] Micromitra (Paterina) stuarti. 



Micromitra (Paterina) wapta Walcott [1908d, p. 59] Micromitra (Paterina) wapta. 



Micromitra (Paterina) williardi Walcott [1908d, p. 60] Micromitra (Paterina) williardi. 



microscopica [Discina], Shumard [1861, p. 221] Acrotreta microscopica. 



microscopica missouriensis [Acrotreta], Walcott [1902, p. 590] Acrotreta microscopica missouriensis. 



microscopica tetonensis [Acrotreta], Walcott [1902, p. 590] Acrotreta microscopica tetonensis. 



minima [Lingulepis], Dwight [1886, p. 208] Lingulella (Lingulepis) acuminata. 



Whitfield [1884, p. 141] Do. 



minimus [Obolus?], Barrande [1879b, PL XCV, figs, ii: 1-5] Acrotreta? minima. 



minimus [Obolus], Walcott [1905a, pp. 325-326] Obolus minimus. 



