462 INDEX 



PAGE 



Microdiscus, compared with MoUisonia 196 



mentioned 149, 151 



Micromitra sculptilis (Meek), associated with Micromitra {Paterina) 



lucina 74 



compared with Micromitra (Paterina) lucina 74 



listed from locality 62 361 



zenobia Walcott, listed in stratigraphic section Z37 



(Iphidclla) pannula maladcnsis, associated with Micromitra {Pa- 

 terina) lucina 74 



(Iphidella) pannnla ophirensis, associated with Micromitra {Pa- 

 terina) lucina 74 



{Paterina) lucina Walcott, new species described 73 



figured, pi. 14, fig. 1 102 



compared with Micromitra sculptilis (Meek) 74 



associated with Micromitra sculptilis, M. {Iphidella) pannnla 



ophirensis and M. (/) paiimila maladensis 74 



listed, Cambrian faunas of China 72 



m.icrura, see Emeraldella. 



Middle Cambrian, Bosworth section, stratigraphic section 342 



Branchiopoda, Naraoia compacta an addition to 176 



Burgess shale, representatives of Merostomata in 155 



Cambrian system, stratigraphic section, Robson Peak district 2)2i7 



Crustacean fauna, discussion of origin 160-164 



formation 23 



Hymenocaris distributed in 155 



locality 14s, Mount Stephen, British Columbia 136 



35k, Stephen formation, British Columbia, annelid fauna 



from ■ 1 10-144 



holothurians and medusas 42-68 



Stephen formation, British Columbia, Ogygopsis shale 17-38 



Merostomes, relations of Beltina to 21 



Robson Peak district, section described 330 



illustrated, pi.- 56, fig. 2 "... 336 



pi. 57, figs. I, 2 338 



type SI 



" Middle Cambrian Annelids " -. 109 



" Middle Cambrian Merostomata " 17 



Miette formation. Belt series, pre-Cambrian 340 



summary stratigraphic section 341 



Miette sandstones, new formation name 335 



Miller, William J., opinion on horizon of Potsdam sandstone, cited 255 



Miniohan (through the water) Mountains, new name 333 



Robson Peak district, illustrated, pi. 57, fig. i 3.38-339 



miniscaensis, see Dikelocephalus and Ptychaspis. 



Minneiska, Minnesota, Upper Cambrian locality 99 379, 388 



Upper Cambrian locality 339f 371 



Minnesota, former classification of Upper Cambrian formations in 353 



geographic distribution of Dikelocephalus in 364 



range of Dikelocephalinse in 359 



