INDEX 497 



Wisconsin — Continued. page 



Upper Cambrian locality 78 at Osceola 361 



locality 78b at Osceola 361 



localities 85 and 86 360 



locality 99c 262-300 



wisconsinensis, see Lonchocephalus. 



Wiwaxia Walcott, new genus, described and discussed 123 



genotype, Orthotheca corrugata Matthew 123 



geographic distribution 123 



stratigraphic range 123 



corrugata (Matthew), described 123 



figured, pi. 21, figs. 1-4 140 



compared with recent Aphroditse and Polynoidse 123, 124 



Iphionella cimex, Latmonice producta willemTsii, L. 



producta wyvilli, and L. aphrodites 124 



Pollingeria grandis 125 



in synonymy i 123 



Wiwaxidae Walcott, new family described 123 



Wiwaxy Mountain, generic name derived from 123 



woodi, see Aluta and Bradoria. 



Woodward, Dr. Henry, British Fossil Crustacea 206 



cited on branchial fringes of Pterygotus 20 



Climactichnites 259 



Wooster, L. C, collection by, mentioned 346 



Worm borings, listed from Eau Claire formation 358 



Worthen, A. H., generic name given in recognition of 126 



Worthenella Walcott, new genus described 125 



genotype, Worthenella cambria 125 



geographic distribution 126 



stratigraphic range 125 



cambria Walcott, new species described 126 



figured, pi. 22, fig. 2 142 



enteric canal 126 



measurements 126 



stratigraphic position and association 153 



wyvilli, see Lcrtmonice producta. 



Xiphosura, comparison of Limulava with 22 



referred to 164 



Yellowhead Mountain, Robson Peak district, locality described 330 



Yellowhead Pass, Robson Peak district 340 



locality described 329 



Yohoia Walcott, new genus discussed 171 



classification of , 154 



no living representatives 165 



rami and segmentation 159 



plena Walcott, new species described 173 



figured, pi. 29, fig. 14 218 



compared with Yohoia tenuis 173 



stratigraphic position and association 152 



