222 SMITHSONIAN MISCSLLANKOUS COI.LECTIONS VOL. S3 



Page 



AsapJiiscus minor, new species 178 



ivhceleri Meek ' 181 



sp. undt 199 



Asaphus ? ig2 



attenuata, see Acrotrcta. 

 augtista, see Crcpiccphalus. 



Barrel Spring section, Nevada, described 188-189 



Bathyuriscus howelli Walcott 198 



occidenialis (Matthew) 211 



ornatiis Walcott 211 



productus (Hall and Whitfield ) 183, 197, 198, 203 



pupa Matthew 211 



rotundatus (Rominger) 211 



sp. undt 177, 178, 182, 183, 203, 208, 209, 210, 211, 213, 214 



Bathyiirus, sp. nndt 205 



beUatula, see Acrotrcta. 

 hcllianus, see Platyccras. 

 bellulus, see Obolus (Fordinia). 



Belt Mountain uplift, mentioned 168, 191 



Belt Ter rane, Montana, mentioned 203. 208 



Bibliography 218-220 



bidens, see Agnostus. 



Big Cottonwood Canyon section, Utah, correlation 171 



stratigraphic position of 169 



Big Cottonwood Canyon sediments, Utah, probable nature of 170 



Billingsella coloradocnsis (Shumard) 192, 193, 196, 198 



highlandcnsis (Walcott.) 184, 187 



niarion Walcott 212 



sp. undt 183, 195, 209 



billingsi, see Hyolithes. 



Blacksmith Fork section, Utah, correlation 171 



described 191-200 



graphic representation of 190 



resume of 199-200 



stratigraphic position 169 



Blacksmith formation, Blacksmith Fork 171, 195 



Bloomington formation, Blacksmith Fork 171, 194-195 



Bornemaniiia prima, new genus and new species 213, 214 



sp. undt 214 



Bosworth formation, Castle Mountain, view showing pi. 20, figs, i and 2 



Bosworth formation. Mount Bosworth 171, 205, 208, pi. 19 



Bosworth and Paget formations, Mount Bosworth, break between 215 



Bosworth section, see Mount Bosworth. 

 boszvorthij see Albert ella. 



Bow River Group, Mount Bosworth 2x5 



Bow River Valley, Alberta, sediments in 217 



Brigham formation. Blacksmith Fork 171, 199 



British Columbia and Utah, connection between sections in 169 



Burling, L. D., mentioned 173 



Burlingia hcctori Walcott 211 



Cambria, see Syntrophia. 



