INDEX 475 



PAGE 



Olcnclhis asaphoidcs Bernard, in synonymy 271 



Ford, in synonymy 270 



Hall, in synonymy 269 



Holm, in sjmonymy 270 



Lesley, in synonymy 270 



Lindstrom, in synonymy 272 



Matthew, in synonymy 271 



Walcott, in synonymy 270 



Olenellus broggeri Bernard, in synonymy 279 



Walcott, in synonymy. 279 



Olenellus callavei Lapworth, in synonymy 282 



Olenellus canadensis, new species 316, pi. 38, tigs, i-io 



associated fossils listed 318 



compared with Olenellus frcinonti 317, 318 



Olenellus gilberti 318 



Olenellus gilberti var 331 



compared with Olenellus reliculatus 336 



Olenellus thompsoni 317, 318 



Peachella iddingsi 343 



eye lobes in •. 239 



eyes compared with those of Olenellus logani 335 



geographic distril)ution of 252 



hypostoma of 244 



in synonymy 316, 325 



mentioned 254, 248, 314, 328 



stratigraphic distribution tabulated 251 



stratigraphic position and association 215 



Olenellus claytoni, new species 319, pi. 40, figs. 9-1 1 



compared with Elliptocephala asaphoidcs 319 



Olenellus fremonti ; 319 



Olenellus lapzvorthi 319, 320 



Olenellus thompsoni 319 



Pcedeumias transitans 320 



JJ'anneria ■walcottanus 319 



mentioned 248, 314, 315 



stratigraphic distribution tabulated 25 1 



stratigraphic position and association 189 



Olenellus fremonti, new species 320, pi. ^,7, figs. 1-22 ; pi. 41, fig. 8 



compared with Olenellus ? argcntus 315 



Olenellus canadensis 317, 318 



Olenellus claytoni 319 



Olenellus gilberti 321-322, 329 



Olenellus lapworthi 322, 332 



Olenellus logani 335 



Olenellus thompsoni 322, 339 



Peachella iddingsi 343 



eye lobes in 239 



