Hyolithes — Continued. page 



f corrugatus Walcoit, listed 409 



curvatus Walcott. listed 409 



impar Ford, listed 317 



princeps Billings, listed 321 



socialis, associated with Corync.vochus bonihohnicnsis Gronwall... 313 



Iddings, J. P., acknowledgments 346 



specimens collected by 388 



iddingsi, see Asaphisciis. 



Illasnidae Corda, family named 404 



nicrnuriis Hall, genus described 404 



compared with Illccnus 404, 405 



Syinphysurus Goldf uss 405 



Psiloccphalus Salter 405 



not found in Chisholm shale 410 



species otherwise referred, listed 405 



synonymy 404 



canens Walcott (^ Tsinania Walcott) 405 



ceres Walcott (= Tsinania Walcott) .■ 405 



Columbiana Weller {■= Plaiycolpus Raymond) 405 



convexa Whitfield (:= Platycolpus Raymond) 405 



? dia Walcott ? {= ■) 405 



dictys Walcott (= Tsinania Walcott) 405 



eurekensis Walcott ? (^ Platycolpus Raymond) 405 



quadratus Hall, described 406 



figured, pi. 45, figs, i, la-c 412 



named in synonymy 404 



synonymy 406 



spp. a and b Walcott (= Asaphus) 405 



sp. Walcott (= Asaphus ' ) 406 



(= Tsinania Walcott ) 406 



(= Undt.) 406 



Illcenus, compared with lUccnurus 404, 405 



Karlia Walcott, synonymic reference 309, 310 



stephencnsis Walcott, synonymic reference 324 



Kittatinny ? limestone, Pennsylvania, Upper Cambrian ? locality 1076.392, 393 



Upper Cambrian ? locality loyg 391, 392 



Kiu-lung group, Shan-tung, Middle Cambrian localities Ci, C2 366, 367 



Middle Cambrian locality C4 361, 366 



locality C57 366 



klotzi, see Ogygopsis. 



Kutorgina cingulata (Billings), listed 321, 322 



La Grange Mountain (Barn Bluff), Minnesota, Upper Cambrian locality 



113 406 



Lakes Louise and Agnes Cambrian section. Alberta, locality 356 355 



L'Anse au Loup, Labrador. Billings' type locality of Corynexochus 



sencctus 321 



Lower Cambrian locality 323 



