CAMBRIAN BRACHIOPODA — WALCOTT 1 33 



rase 



Montpelier, Idaho, fossils near 97 



Mount Bosworth, British Cohimbia, fossils on 59, 61, 62, 98, loi 



Mount Stephen, British Columbia, fossils on 98, 102 



Mount Whyte, Alberta, fossils on 62 



Mount Whyte formation, British Columbia, fossils in 59, 62, 98, loi 



Nahant, Massachusetts, fossils at 88 



Nahant limestone, Massachusetts, fossils in 88 



naiitt's, see A'isusia (Janiesella). 

 neboensis, see Acrotreta. 



Neobolus [Hall and Clarke] j^ 



Waagcn, 74, 75, 72 -76 



zuarthi, Waagen 74, 75 



nczcberryi, see Boorthis. 



NisHsia Walcott 97-98 



alberta (Walcott) 97 



fcstinata (Billings) 97, 98 



vara, new species 97, pi. 9, figs. 13 and i^a 



(Jaincsella) Walcott 97 



? kanabensis, new species 97 



lozi'i, new species 98, pi. 9, fig. 14 



naiitcs (Walcott) 106 



nitetis, see Linnarssonella. 

 notchensis, see Obolus (IVestonia) . 



Notch Peak formation, Utah, fossils in 6;^ 



nundina, see Syntrophia. 



nyssa, see Micromitra {It>hidella). 



Obolella crassa (Hall) 79 



Obolus Eichwald 61, 64, 65, 66, 73, 74, 76, 79 



apollinis Eichwald 73 



discoidens (Hall and Whitfield) 64 



fcistmanteli (Barrande) 61 



lamborni (Meek) 63 



membranaceous, new species 61, pi. 7, fig. 11 



minimus Walcott 61. 62 



parvus, new species 61, pi. 7, figs. 10 and loa 



silurictis Eichwald 70 



smithi, new species 60, 62, 100, pi. 7, figs. 9 and 9a 



tetonensis Walcott 63, 64 



tetonensis Icda, new variety 63 



zvillisi (Walcott) 63 



zvortJieni, new species 63, 64, pi. 7, fig. 17 



{Broggcria) salteri (Holl) 85 



(Fordinia) , new subgenus 64, 67 



bcllulus (Walcott) 64, 65, 66, 67 



gilberti, new species 65, 66, 67, pi. 7, figs. 15 and 150 



perfectus, new species 64, 65, 66, pi. 7, fig. 16 



(Mickzvitaella) , new subgenus 70 



( Thysanotos) Mickwitz 75 



( Th.ysanotus) [Walcott] 70 



(Wcstonia) Walcott • 67 



