CAMBRIAN CORDILLERAN SECTIONS 22/ 



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Neolemts granulatus (Matthew) 211 



iuHatus Walcott 180 



intermedins Walcott 180 



infermedius pugio Walcott 180 



serratus (Rominger) 211 



sitperbus Walcott 180 



s,p. undt 198, 199, 209, 210 



Nevada, boiindar}^ of Cambrian land area in 168 



netvberryi, see Eoorthis. 



Kisnsia alberta (Walcott) 210, 2ti 



festinata (Billings) 214, 215 



(Janiesella) amii Walcott 189 



lozvi Walcott 212, 213 



nantes (Walcott) 180, 196 



spencci (Walcott) 180 



nitcns. sec Linnarssonella. 



Notch Peak formation, House Range 171, 173-175, pi. 14 



notchensis, see Obolus (Wcstonia). 



Nounan formation, Blacksmith Fork 171, 193 



nundina, see Syntrophia. 



Obolclla, sp. undt 186, 187 



Obolus discoideus (Hall and Whitfield) 193 



niccoiinelli (Walcott) 196, 197. 209, 210 



mcconnelli pelias (Walcott) 176, 179, 180, 181, 194 



meuibranaccous Walcott 209 



parvus Walcott 214 



rotundatus (Walcott) 176, 180 



tetoiieiisis Icda Walcott 175 



(Fordinia) bellulus (Walcott) 193 



gilberti Walcott 179 



perfcctus Walcott 178, 179 



(JVestonia) ella (Hall and Whitfield). .182, 183, 184, 196, 197, 198, 203, 211 



iphis. new species 192 



notchensis Walcott 173 



wasatcltensis Walcott 195 



sp. undt 192, 193, 196, 208 



occidens, see Mickzvitzia. 



occidentalis, see Bathyuriscus. 



Ogygopsis klotsi (Rominger) 211 



sp. undt 180, 181. 198, 199, 209 



Og.vgopsis shale, Mount Stephen, notes on 210-21 1 



Olencllus canadensis, new species 215 



claytoni. new species 189 



fremonti, new species. 187 



gilberti ]\Ieek 184, 189 



sp. undt 186, 187, 189, 203, 213, 214 



Olenopsis agues, new species 214 



? sp. undt 203 



Ophilcta 204 



ophiri'nsis, see Acrotreta. 



