49^ INDEX 



Collenia — Continued. page 



occidentale (Dawson), figured, pi. 15, figs. 1-6 140 



characterized , iii 



compared with Archceozoan acadiense 114 



stratigraphic range no 



undosa, new species, described 113 



figured, pi. 13, figs, i, 2 ; pi. 14, figs, i, 2 136, 138 



classified as semisphaerical 104 



compared with " Layer deposit " 118 



in Spokane shales 99, lOO 



similar form sent to Sir William Dawson in 



stratigraphic range .° no 



? species undetermined, described 114 



resemblance to Atikokania 114 



commune, see Anomocare. 



compacta, see Collenia. 



comus, see Crepicephalus. 



Conasauga formation, Alabama, Middle Cambrian localities i6d, 89X, 



90, 95, 112 178 



Middle Cambrian locaHty i6e 348 



locality 90X 178, 206, 394, 395 



112 180, 395 



112a 180 



141 181 



Upper Cambrian locality 16 218 



localities i6a, 89, 139a 214 



90a 170, 171, 213 



91 170, 213, 215,218 



92X, 92XX, 96c, 145, 358e 170 



128 197 



138, I38d 172 



139a 190, 400 



145a, 358f 215 



358e 178, 215 



Georgia, Middle Cambrian locality 14 372 



Tennessee, Middle Cambrian locality 107X 394 



Upper Cambrian locality 107 398 



locality 107U 399 



reason for reference to Middle Cambrian 228 



stratigraphy difficult to work out 169 



Conaspis shumardi, form of glabella of Saratogia 197 



sp. undt., listed 409 



Conception Bay, Newfoundland, Middle Cambrian locality i 319 



Confervites primordialis, listed Siberian Cambrian 8 



Conocephalites, relation to Alokistocare ? labrosum 184-185 



unlike Lonchocephalus and Crepicephalus 189 



calymenoides Whitfield, genotype of Menomonia 162 



chippewaensis Shumard, in synonymy lOO 



frequens Dames, listed, China 6 



