PAGE 



Ch'ang-hia limestone, Shan-tung, Middle Cambrian localily C19 366 



Middle Cambrian locality C24 368 



Chetang formation, Alberta, Middle Cambrian locality 61 o 355 



Chisholm Mine, Nevada, type locality of Chisholm shales 409 



Chisholm shales, new formation name, described 409 



House Range, Utah, Middle Cambrian locality 3v 371 



Nevada, Middle Cambrian locality 31 344, 371 



typical fauna, listed 409 



Chuaiigia, compared vi^ith Lisania * 403 



clavatus, see Corynexochus. 

 clytia. see Pagetia. 



Conasauga formation. Alabama. Middle Cambrian locality i6e 348 



Alabama, Middle Cambrian locality 90X 394, 395 



Middle Cambrian locality 112 395 



Upper Cambrian locality 139a 400 



Georgia, Middle Cambrian locality 14 372 



Tennessee, Middle Cambrian locality 107X 394 



Upper Cambrian locality 107 398 



locality 107U 399 



Conaspis sp. undt, listed 409 



Conception Bay, Newfoundland, Middle Cambrian locality i 319 



Coosa Valley, Alabama, Middle Cambrian locality 90X 394, 395 



Coosia, compared with Bathyuriscus (PolicUa) probtis 354 



unlike Lisania 404 



Copper Ridge, Tennessee, Upper Cambrian locality 107c 401 



Upper Cambrian localities 107c, 107U 399 



Corynexochidae Angelin, described 308 



compared with Oryctocephalid.-e Beecher 308 



subfamily Dolichometopinae 309 



synonymy 308 



typical genus, Corynexochus 309 



Corynexochus Angelin, described 309 



characterized 309 



compared with Bathyuriscus 311, ;i3,2 



Dolichomeiopus 309. 311 



discussed 307 



generic reference of species referred otherwise 312 



observations 311 



primitive type of Bathyuriscus and DoUchovietopus 308 



related to Bathyuriscus 22i?> 



species listed 312 



stratigraphic range and geographic distribution 311 



synonymy 309 



bornhohniensis Gronwall, described 313 



figured, pi. 55, figs. 2, 2a-h 432 



associated with Paradoxides tessini and Agnostus parvifrons. 313 

 Agnostus nathorsti, Hyolithes socialis, Acrotreta social- 

 is, and Raphistoma ? broggeri 313-314 



compared with Corynexochus delagei 318 



Corynexochus spiuulosus Angelin 32;^ 



sjmonymy 313 



