530 INDEX 



Menomonia — Continued. page 



geographic distribution 162 



observations 162 



referred to Menomonidse 161 



relation to Alokistocare ? labrosum 184-185 



stratigraphic range 162 



calymenoides (Whitfield), described 163 



figured, pi. 26, figs. 4, ^a-d 234 



associated with Lonchocephalus chippewaensis 256 



compared with Dresbachia 167 



Lonchocephalus chippewaensis Owen igi 



formation and locality 163 



synonymy 162 



Menomonidae, new family 161 



Menomonie, Dunn County, Wisconsin, Upper Cambrian localities 80, 



82a, 134 192 



Upper Cambrian locality 100 163, 167, 209 



Merostomata, publication on 160 



Mesonacidas Walcott, family named 406 



associated with Corynexochus {Bonnia) 308 



Redlichia connects, with Paradoxidse 60 



Mesonacis Walcott, genus named 406 



synonymy 406 



gilberti (Meek), described 406 



figured, pi. 45, fig. 3 412 



above Bathyuriscus (Poliella) primus 353 



associated with Bathyuriscus batis 332, 338 



Corynexochus (Bonnia) Heldensis 327 



compared with Mesonacis vermontana 407 



listed 322 



synonymy 406 



vermontana, figured, pi. 45, fig. 2 412 



compared with Mesonacis gilberti (Meek) 407 



Mesozoic rocks, algal form from iii 



Michigan, algal lake tufa 86 



Lake deposits 89 



Micrococci, fossil bacteria 95 



Microdiscus kochi, listed, Siberian Cambrian 8 



Icnaicus von Toll, Hsted, Siberian Cambrian 8 



listed, Torgoschino 72 



orientalis Walcott, stratigraphic and geographic position 46 



Micromitra Meek, associated with Corynexochus (Bonnia) parvulus 329 



characterizes Chinese and Canadian Cambrian 58 



alabamaensis (Walcott), associated with Crepicephalus coos- 



ensis 206 



listed 337 



pealei (Walcott), listed 292, 373 



sculptilis ( Meek) , listed 403 



stratigraphic and geographic position 44 



