466 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 53 



PAGE 

 Micromitra (Patcrina) superba, compared with Micromitra (Pateriiia) 



sttiarfi 58 



compared with Micromitra (Paterina) u-iUiardi. 60 



stratigraphic position and association 58, 197 



Micromitra {Patcrina) ivapta, new species 59, pi. 7, fig. 6 



associated fossils listed 61 



compared with Acrothcle collcni 59 



Micromitra {Patcrina) labradorica 59 



Micromitra {IphidcUa) nyssa 59 



Micromitra {IphidcUa) pannnla 59 



Micromitra {Patcrina) prospcctcnsis 59 



Micromitra {Patcrina) siissingensis 59 



mentioned 61 



stratigraphic position and association 214 



Micromitra {Patcrina) iviUiardi, new species 60, pi. 7, fig. 7 



associated fossils listed 60, 63, 100 



compared with Micromitra {Patcrina) superba 60 



mentioned 63, 100 



Micromitra {Paterina), sp. undt., stratigraphic position and association. . 213 



Middle Cambrian, brachiopod genera occurring in pi. 11 (pp. 140-141) 



Middle lateral muscle scar, defined I57 



Miquel,- J., acknowledgment 84 



bibliographic reference 113 



Miller, S. A., bibliographic reference 37^ 



minimus, see Obohis. 



minor, see Acrothyra and Asaphiscus. 



minuta, see Linnarssonella. 



Moberg, Joh. Chr., acknowledgment s 234 



bibliographic reference 376 



mentioned 264 



Moberg, Joh. Chr., and Segerberg, C. O., bibliographic reference 27^ 



mobergi, see Obolella. 

 modesta, see Linnarssonella. 

 monilifera, see Mickzvitsia. 



Montagne Noire, France, fossils in 84 



Montana, boundary of Cambrian land area in 168 



correlation of pre-Cambrian in with that of Alberta 430-431 



relation between Flathead sandstone and sandy beds on Gordon 



Mountain 9 



relation of Flathead sandstone to the Brigham formation of Utah. . 8-9 

 montanensis, see Polytccchia. 

 montis, see Agnostus. 



Montevallo, fossils from 302, 310, 340 



Montcvallo shale, Alabama, fossils in 60, 63, 100, 340 



Montpelier, Idaho, fossils near 97 



Mount Bosworth, British Columbia, fossils on. .22, 59, 61, 62, 98, loi, 319, 330 



relative position and thickness of formations on 2 



species associated with Albertella Helena on 22 



